Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “O2”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 1,675 records · Page 93

Materials Data on Sr9Fe(PO4)7 by Materials Project

Sr9Fe(PO4)7 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are nine inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.69 Å. In the second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–2.68 Å. In the third Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.58–2.89 Å. In the fourth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.56–2.88 Å. In the fifth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.58–3.04 Å. In the sixth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.58–3.04 Å. In the seventh Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–3.08 Å. In the eighth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–3.07 Å. In the ninth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–3.12 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 2.06–2.08 Å. There are seven inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one FeO6 octahedra. The corner-sharing octahedral tilt angles are 42°. There are a spread of P–O bond distances ranging from 1.54–1.60 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one FeO6 octahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of P–O bond distances ranging from 1.54–1.59 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one FeO6 octahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of P–O bond distances ranging from 1.53–1.60 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one FeO6 octahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of P–O bond distances ranging from 1.54–1.60 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one FeO6 octahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of P–O bond distances ranging from 1.53–1.60 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one FeO6 octahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of P–O bond distances ranging from 1.54–1.59 Å. In the seventh P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.55 Å) and three longer (1.56 Å) P–O bond length. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Sr2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Sr2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two Sr2+, one Fe3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Sr2+, one Fe3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a distorted single-bond geometry to four Sr2+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Sr2+, one Fe3+, and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Sr2+, one Fe3+, and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Sr2+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twenty-fifth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+ and one P5+ atom. In the twenty-seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Sr2+, one Fe3+, and one P5+ atom. In the twenty-eighth O2- site, O2- is bonded in a 2-coordinate geometry to two Sr2+, one Fe3+, and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Li4V3P8O29 by Materials Project

Li4V3P8O29 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.90–2.62 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share corners with four PO4 tetrahedra and an edgeedge with one VO6 octahedra. There are a spread of Li–O bond distances ranging from 1.94–2.02 Å. In the third Li1+ site, Li1+ is bonded in a 3-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.95–2.78 Å. In the fourth Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.93–2.80 Å. There are three inequivalent V+4.67+ sites. In the first V+4.67+ site, V+4.67+ is bonded to six O2- atoms to form VO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of V–O bond distances ranging from 1.81–1.95 Å. In the second V+4.67+ site, V+4.67+ is bonded to six O2- atoms to form VO6 octahedra that share corners with six PO4 tetrahedra and an edgeedge with one LiO4 trigonal pyramid. There are a spread of V–O bond distances ranging from 1.86–2.08 Å. In the third V+4.67+ site, V+4.67+ is bonded to six O2- atoms to form VO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of V–O bond distances ranging from 1.86–1.92 Å. There are eight inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two VO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 38–43°. There are a spread of P–O bond distances ranging from 1.48–1.61 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two VO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–41°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three VO6 octahedra and a cornercorner with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 23–43°. There are a spread of P–O bond distances ranging from 1.50–1.60 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two VO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 37–43°. There are a spread of P–O bond distances ranging from 1.49–1.62 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two VO6 octahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 18–40°. There are a spread of P–O bond distances ranging from 1.49–1.61 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two VO6 octahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 37–45°. There are a spread of P–O bond distances ranging from 1.49–1.62 Å. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three VO6 octahedra. The corner-sharing octahedra tilt angles range from 32–35°. There are a spread of P–O bond distances ranging from 1.48–1.60 Å. In the eighth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two VO6 octahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 36–45°. There are a spread of P–O bond distances ranging from 1.49–1.62 Å. There are twenty-nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+ and one P5+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one V+4.67+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a bent 120 degrees geometry to one Li1+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one V+4.67+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Li1+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one V+4.67+, and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a distorted T-shaped geometry to two Li1+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one V+4.67+, and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the twenty-second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one V+4.67+, and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a single-bond geometry to one Li1+ and one P5+ atom. In the twenty-fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one V+4.67+ and one P5+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two P5+ atoms. In the twenty-eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one P5+ atom. In the twenty-ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one V+4.67+ and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CaTeO3 by Materials Project

CaTeO3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are nine inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share a cornercorner with one CaO6 octahedra, a cornercorner with one CaO7 pentagonal bipyramid, edges with two equivalent CaO7 hexagonal pyramids, and an edgeedge with one CaO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 51°. There are a spread of Ca–O bond distances ranging from 2.32–2.50 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted CaO6 octahedra that share a cornercorner with one CaO7 hexagonal pyramid, corners with two CaO6 octahedra, an edgeedge with one CaO6 octahedra, and an edgeedge with one CaO7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 51–65°. There are a spread of Ca–O bond distances ranging from 2.33–2.54 Å. In the third Ca2+ site, Ca2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ca–O bond distances ranging from 2.41–2.47 Å. In the fourth Ca2+ site, Ca2+ is bonded to seven O2- atoms to form distorted CaO7 pentagonal bipyramids that share a cornercorner with one CaO7 pentagonal bipyramid, an edgeedge with one CaO7 hexagonal pyramid, edges with two CaO6 octahedra, and an edgeedge with one CaO7 pentagonal bipyramid. There are a spread of Ca–O bond distances ranging from 2.33–2.63 Å. In the fifth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share a cornercorner with one CaO7 hexagonal pyramid, a cornercorner with one CaO6 octahedra, and edges with two CaO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 65°. There are a spread of Ca–O bond distances ranging from 2.31–2.44 Å. In the sixth Ca2+ site, Ca2+ is bonded to seven O2- atoms to form distorted CaO7 pentagonal bipyramids that share an edgeedge with one CaO6 octahedra and edges with two CaO7 pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.32–2.59 Å. In the seventh Ca2+ site, Ca2+ is bonded to seven O2- atoms to form distorted CaO7 hexagonal pyramids that share corners with two CaO6 octahedra, a cornercorner with one CaO7 pentagonal bipyramid, an edgeedge with one CaO7 hexagonal pyramid, edges with two equivalent CaO6 octahedra, and an edgeedge with one CaO7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 47–62°. There are a spread of Ca–O bond distances ranging from 2.40–2.53 Å. In the eighth Ca2+ site, Ca2+ is bonded to seven O2- atoms to form distorted CaO7 pentagonal bipyramids that share a cornercorner with one CaO7 hexagonal pyramid, a cornercorner with one CaO6 octahedra, a cornercorner with one CaO7 pentagonal bipyramid, an edgeedge with one CaO6 octahedra, and an edgeedge with one CaO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 74°. There are a spread of Ca–O bond distances ranging from 2.33–2.69 Å. In the ninth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.38–2.95 Å. There are nine inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.88 Å) and one longer (1.91 Å) Te–O bond length. In the second Te4+ site, Te4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.90–2.71 Å. In the third Te4+ site, Te4+ is bonded in a 5-coordinate geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.89–2.84 Å. In the fourth Te4+ site, Te4+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.90–2.49 Å. In the fifth Te4+ site, Te4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.88–1.90 Å. In the sixth Te4+ site, Te4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.87–1.89 Å. In the seventh Te4+ site, Te4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.89–2.77 Å. In the eighth Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There is one shorter (1.89 Å) and two longer (1.92 Å) Te–O bond length. In the ninth Te4+ site, Te4+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.89–1.92 Å. There are twenty-seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ca2+ and two Te4+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and one Te4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to three Ca2+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one Te4+ atom. In the fifth O2- site, O2- is bonded to three Ca2+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCa3Te tetrahedra. In the sixth O2- site, O2- is bonded to three Ca2+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCa3Te trigonal pyramids. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one Te4+ atom. In the eighth O2- site, O2- is bonded to three Ca2+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCa3Te trigonal pyramids. In the ninth O2- site, O2- is bonded to three Ca2+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCa3Te tetrahedra. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ca2+ and one Te4+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to three Te4+ atoms. In the twelfth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ca2+ and two Te4+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one Te4+ atom. In the fourteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one Te4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ca2+ and one Te4+ atom. In the sixteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ca2+ and two Te4+ atoms. In the seventeenth O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+ and two Te4+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ca2+ and one Te4+ atom. In the nineteenth O2- site, O2- is bonded to three Ca2+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCa3Te tetrahedra. In the twentieth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Ca2+ and one Te4+ atom. In the twenty-first O2- site, O2- is bonded to three Ca2+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCa3Te tetrahedra. In the twenty-second O2- site, O2- is bonded to three Ca2+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCa3Te tetrahedra. In the twenty-third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one Te4+ atom. In the twenty-fourth O2- site, O2- is bonded in a trigonal planar geometry to two Ca2+ and one Te4+ atom. In the twenty-fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one Te4+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ca2+ and one Te4+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ca2+ and one Te4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiNiP2O7 by Materials Project

LiNiP2O7 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.94–2.62 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 tetrahedra that share a cornercorner with one NiO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one NiO6 octahedra. The corner-sharing octahedral tilt angles are 39°. There are a spread of Li–O bond distances ranging from 2.05–2.22 Å. In the third Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.07–2.18 Å. In the fourth Li1+ site, Li1+ is bonded to five O2- atoms to form distorted LiO5 trigonal bipyramids that share corners with five PO4 tetrahedra, an edgeedge with one NiO6 octahedra, and a faceface with one NiO6 octahedra. There are a spread of Li–O bond distances ranging from 2.04–2.28 Å. There are four inequivalent Ni3+ sites. In the first Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share a cornercorner with one NiO6 octahedra, a cornercorner with one LiO4 tetrahedra, corners with four PO4 tetrahedra, an edgeedge with one PO4 tetrahedra, and a faceface with one LiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 56°. There are a spread of Ni–O bond distances ranging from 2.00–2.18 Å. In the second Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share a cornercorner with one NiO6 octahedra and corners with six PO4 tetrahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Ni–O bond distances ranging from 2.02–2.10 Å. In the third Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share a cornercorner with one NiO6 octahedra and corners with six PO4 tetrahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Ni–O bond distances ranging from 2.00–2.09 Å. In the fourth Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share a cornercorner with one NiO6 octahedra, corners with four PO4 tetrahedra, an edgeedge with one LiO4 tetrahedra, an edgeedge with one PO4 tetrahedra, and an edgeedge with one LiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 56°. There are a spread of Ni–O bond distances ranging from 1.99–2.16 Å. There are eight inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NiO6 octahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 38–56°. There are a spread of P–O bond distances ranging from 1.52–1.63 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NiO6 octahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 44–47°. There are a spread of P–O bond distances ranging from 1.52–1.61 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two NiO6 octahedra, a cornercorner with one LiO4 tetrahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 47–50°. There are a spread of P–O bond distances ranging from 1.52–1.63 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two NiO6 octahedra, a cornercorner with one LiO4 tetrahedra, a cornercorner with one PO4 tetrahedra, and an edgeedge with one NiO6 octahedra. The corner-sharing octahedra tilt angles range from 51–56°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NiO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 38–50°. There is three shorter (1.53 Å) and one longer (1.61 Å) P–O bond length. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NiO6 octahedra, a cornercorner with one LiO4 tetrahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 44–52°. There are a spread of P–O bond distances ranging from 1.52–1.62 Å. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two NiO6 octahedra, a cornercorner with one LiO4 tetrahedra, a cornercorner with one PO4 tetrahedra, and an edgeedge with one NiO6 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of P–O bond distances ranging from 1.51–1.61 Å. In the eighth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two NiO6 octahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 42–57°. There are a spread of P–O bond distances ranging from 1.52–1.62 Å. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ni3+, and one P5+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Ni3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ni3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ni3+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ni3+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ni3+, and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ni3+, and one P5+ atom. In the twentieth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ni3+, and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ni3+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ni3+, and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ni3+, and one P5+ atom. In the twenty-fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ni3+ and one P5+ atom. In the twenty-sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Ni3+, and one P5+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P5+ atoms. In the twenty-eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ni3+ and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ce2Y2O7 by Materials Project

Ce2Y2O7 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Ce4+ sites. In the first Ce4+ site, Ce4+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ce–O bond distances ranging from 2.24–2.45 Å. In the second Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.27–2.53 Å. In the third Ce4+ site, Ce4+ is bonded to seven O2- atoms to form distorted CeO7 pentagonal bipyramids that share a cornercorner with one YO7 hexagonal pyramid, corners with two YO6 octahedra, edges with two YO7 hexagonal pyramids, an edgeedge with one YO6 octahedra, and an edgeedge with one YO7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 53–57°. There are a spread of Ce–O bond distances ranging from 2.25–2.46 Å. In the fourth Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.25–2.70 Å. In the fifth Ce4+ site, Ce4+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ce–O bond distances ranging from 2.29–2.41 Å. In the sixth Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.29–2.45 Å. In the seventh Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.25–2.57 Å. In the eighth Ce4+ site, Ce4+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ce–O bond distances ranging from 2.20–2.35 Å. There are eight inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 pentagonal bipyramids that share a cornercorner with one YO7 hexagonal pyramid, a cornercorner with one YO6 octahedra, edges with two YO7 hexagonal pyramids, an edgeedge with one YO6 octahedra, and an edgeedge with one CeO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 51°. There are a spread of Y–O bond distances ranging from 2.30–2.53 Å. In the second Y3+ site, Y3+ is bonded to six O2- atoms to form distorted YO6 octahedra that share a cornercorner with one YO7 hexagonal pyramid, a cornercorner with one YO6 octahedra, an edgeedge with one YO6 octahedra, an edgeedge with one CeO7 pentagonal bipyramid, and an edgeedge with one YO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 61°. There are a spread of Y–O bond distances ranging from 2.25–2.34 Å. In the third Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 hexagonal pyramids that share corners with two YO6 octahedra, a cornercorner with one CeO7 pentagonal bipyramid, an edgeedge with one YO7 hexagonal pyramid, and an edgeedge with one YO7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 55–58°. There are a spread of Y–O bond distances ranging from 2.26–2.41 Å. In the fourth Y3+ site, Y3+ is bonded to six O2- atoms to form distorted YO6 octahedra that share corners with two YO7 hexagonal pyramids, a cornercorner with one YO6 octahedra, a cornercorner with one CeO7 pentagonal bipyramid, a cornercorner with one YO7 pentagonal bipyramid, and an edgeedge with one YO6 octahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Y–O bond distances ranging from 2.24–2.34 Å. In the fifth Y3+ site, Y3+ is bonded to six O2- atoms to form distorted YO6 octahedra that share a cornercorner with one YO7 hexagonal pyramid, corners with two YO6 octahedra, a cornercorner with one CeO7 pentagonal bipyramid, and edges with two YO7 hexagonal pyramids. The corner-sharing octahedra tilt angles range from 56–61°. There are a spread of Y–O bond distances ranging from 2.24–2.35 Å. In the sixth Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 hexagonal pyramids that share a cornercorner with one YO6 octahedra, edges with two YO7 hexagonal pyramids, an edgeedge with one YO6 octahedra, an edgeedge with one CeO7 pentagonal bipyramid, and an edgeedge with one YO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 53°. There are a spread of Y–O bond distances ranging from 2.26–2.43 Å. In the seventh Y3+ site, Y3+ is bonded to seven O2- atoms to form distorted YO7 hexagonal pyramids that share a cornercorner with one YO6 octahedra, a cornercorner with one YO7 pentagonal bipyramid, an edgeedge with one YO7 hexagonal pyramid, an edgeedge with one YO6 octahedra, and an edgeedge with one CeO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 57°. There are a spread of Y–O bond distances ranging from 2.29–2.49 Å. In the eighth Y3+ site, Y3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Y–O bond distances ranging from 2.28–2.48 Å. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form a mixture of distorted edge and corner-sharing OCe2Y2 tetrahedra. In the second O2- site, O2- is bonded to one Ce4+ and three Y3+ atoms to form a mixture of distorted edge and corner-sharing OCeY3 tetrahedra. In the third O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form a mixture of edge and corner-sharing OCe2Y2 tetrahedra. In the fourth O2- site, O2- is bonded to one Ce4+ and three Y3+ atoms to form OCeY3 tetrahedra that share corners with fourteen OCe2Y2 tetrahedra and edges with four OCeY3 tetrahedra. In the fifth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form OCe2Y2 tetrahedra that share corners with fourteen OCe2Y2 tetrahedra and edges with five OCeY3 tetrahedra. In the sixth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form a mixture of edge and corner-sharing OCe2Y2 tetrahedra. In the seventh O2- site, O2- is bonded to one Ce4+ and three Y3+ atoms to form a mixture of distorted edge and corner-sharing OCeY3 tetrahedra. In the eighth O2- site, O2- is bonded to one Ce4+ and three Y3+ atoms to form a mixture of distorted edge and corner-sharing OCeY3 tetrahedra. In the ninth O2- site, O2- is bonded to one Ce4+ and three Y3+ atoms to form a mixture of distorted edge and corner-sharing OCeY3 tetrahedra. In the tenth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form OCe2Y2 tetrahedra that share corners with twelve OCe2Y2 tetrahedra and edges with six OCe3Y tetrahedra. In the eleventh O2- site, O2- is bonded to three Ce4+ and one Y3+ atom to form a mixture of edge and corner-sharing OCe3Y tetrahedra. In the twelfth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form a mixture of edge and corner-sharing OCe2Y2 tetrahedra. In the thirteenth O2- site, O2- is bonded to one Ce4+ and three Y3+ atoms to form a mixture of edge and corner-sharing OCeY3 tetrahedra. In the fourteenth O2- site, O2- is bonded to three Ce4+ and one Y3+ atom to form a mixture of edge and corner-sharing OCe3Y tetrahedra. In the fifteenth O2- site, O2- is bonded to three Ce4+ and one Y3+ atom to form a mixture of edge and corner-sharing OCe3Y tetrahedra. In the sixteenth O2- site, O2- is bonded to three Ce4+ and one Y3+ atom to form OCe3Y tetrahedra that share corners with fourteen OCe2Y2 tetrahedra and edges with five OCe3Y tetrahedra. In the seventeenth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form a mixture of distorted edge and corner-sharing OCe2Y2 tetrahedra. In the eighteenth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form a mixture of edge and corner-sharing OCe2Y2 tetrahedra. In the nineteenth O2- site, O2- is bonded to three Ce4+ and one Y3+ atom to form a mixture of edge and corner-sharing OCe3Y tetrahedra. In the twentieth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form a mixture of edge and corner-sharing OCe2Y2 tetrahedra. In the twenty-first O2- site, O2- is bonded to four Ce4+ atoms to form OCe4 tetrahedra that share corners with fourteen OCe2Y2 tetrahedra and edges with five OCe3Y tetrahedra. In the twenty-second O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form OCe2Y2 tetrahedra that share corners with twelve OCe2Y2 tetrahedra and edges with six OCe3Y tetrahedra. In the twenty-third O2- site, O2- is bonded to three Ce4+ and one Y3+ atom to form a mixture of edge and corner-sharing OCe3Y tetrahedra. In the twenty-fourth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form a mixture of edge and corner-sharing OCe2Y2 tetrahedra. In the twenty-fifth O2- site, O2- is bonded to three Ce4+ and one Y3+ atom to form a mixture of edge and corner-sharing OCe3Y tetrahedra. In the twenty-sixth O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form OCe2Y2 tetrahedra that share corners with thirteen OCe2Y2 tetrahedra and edges with five OCe3Y tetrahedra. In the twenty-seventh O2- site, O2- is bonded to two Ce4+ and two Y3+ atoms to form distorted OCe2Y2 tetrahedra that share corners with twelve OCe2Y2 tetrahedra and edges with five OCe3Y tetrahedra. In the twenty-eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Ce4+ and two Y3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ce2Nd2O7 by Materials Project

Nd2Ce2O7 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Nd3+ sites. In the first Nd3+ site, Nd3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nd–O bond distances ranging from 2.28–2.45 Å. In the second Nd3+ site, Nd3+ is bonded to seven O2- atoms to form distorted NdO7 hexagonal pyramids that share an edgeedge with one CeO7 hexagonal pyramid. There are a spread of Nd–O bond distances ranging from 2.33–2.50 Å. In the third Nd3+ site, Nd3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Nd–O bond distances ranging from 2.22–2.44 Å. In the fourth Nd3+ site, Nd3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Nd–O bond distances ranging from 2.33–2.47 Å. In the fifth Nd3+ site, Nd3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nd–O bond distances ranging from 2.29–2.43 Å. In the sixth Nd3+ site, Nd3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nd–O bond distances ranging from 2.29–2.44 Å. In the seventh Nd3+ site, Nd3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nd–O bond distances ranging from 2.29–2.42 Å. In the eighth Nd3+ site, Nd3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Nd–O bond distances ranging from 2.30–2.56 Å. There are eight inequivalent Ce4+ sites. In the first Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.29–2.59 Å. In the second Ce4+ site, Ce4+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ce–O bond distances ranging from 2.22–2.40 Å. In the third Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.30–2.55 Å. In the fourth Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.34–2.54 Å. In the fifth Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.29–2.67 Å. In the sixth Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.29–2.57 Å. In the seventh Ce4+ site, Ce4+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.29–2.54 Å. In the eighth Ce4+ site, Ce4+ is bonded to seven O2- atoms to form distorted CeO7 hexagonal pyramids that share an edgeedge with one NdO7 hexagonal pyramid. There are a spread of Ce–O bond distances ranging from 2.25–2.41 Å. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded to three Nd3+ and one Ce4+ atom to form a mixture of edge and corner-sharing OCeNd3 tetrahedra. In the second O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form a mixture of distorted edge and corner-sharing OCe2Nd2 tetrahedra. In the third O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form OCe2Nd2 tetrahedra that share corners with fourteen OCe3Nd tetrahedra and edges with four OCeNd3 tetrahedra. In the fourth O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form OCe2Nd2 tetrahedra that share corners with twelve OCe3Nd tetrahedra and edges with five OCeNd3 tetrahedra. In the fifth O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form OCe3Nd tetrahedra that share corners with thirteen OCe3Nd tetrahedra and edges with six OCe2Nd2 tetrahedra. In the sixth O2- site, O2- is bonded to three Nd3+ and one Ce4+ atom to form OCeNd3 tetrahedra that share corners with fourteen OCe3Nd tetrahedra and edges with five OCeNd3 tetrahedra. In the seventh O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form OCe3Nd tetrahedra that share corners with thirteen OCe3Nd tetrahedra and edges with six OCe2Nd2 tetrahedra. In the eighth O2- site, O2- is bonded to four Ce4+ atoms to form OCe4 tetrahedra that share corners with fifteen OCeNd3 tetrahedra and edges with five OCe3Nd tetrahedra. In the ninth O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form OCe3Nd tetrahedra that share corners with fourteen OCe2Nd2 tetrahedra and edges with six OCe3Nd tetrahedra. In the tenth O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form OCe3Nd tetrahedra that share corners with fourteen OCe2Nd2 tetrahedra and edges with five OCe3Nd tetrahedra. In the eleventh O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form a mixture of edge and corner-sharing OCe3Nd tetrahedra. In the twelfth O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form OCe2Nd2 tetrahedra that share corners with fifteen OCeNd3 tetrahedra and edges with five OCe2Nd2 tetrahedra. In the thirteenth O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form OCe3Nd tetrahedra that share corners with fourteen OCe3Nd tetrahedra and edges with six OCeNd3 tetrahedra. In the fourteenth O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form OCe3Nd tetrahedra that share corners with thirteen OCe3Nd tetrahedra and edges with six OCe2Nd2 tetrahedra. In the fifteenth O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form OCe2Nd2 tetrahedra that share corners with thirteen OCe3Nd tetrahedra and edges with five OCe2Nd2 tetrahedra. In the sixteenth O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form OCe2Nd2 tetrahedra that share corners with twelve OCe3Nd tetrahedra and edges with six OCeNd3 tetrahedra. In the seventeenth O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form distorted OCe3Nd tetrahedra that share corners with fourteen OCe3Nd tetrahedra and edges with six OCeNd3 tetrahedra. In the eighteenth O2- site, O2- is bonded to one Nd3+ and three Ce4+ atoms to form distorted OCe3Nd tetrahedra that share corners with fourteen OCe3Nd tetrahedra and edges with five OCe2Nd2 tetrahedra. In the nineteenth O2- site, O2- is bonded to three Nd3+ and one Ce4+ atom to form OCeNd3 tetrahedra that share corners with fourteen OCe2Nd2 tetrahedra and edges with five OCe3Nd tetrahedra. In the twentieth O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form a mixture of distorted edge and corner-sharing OCe2Nd2 tetrahedra. In the twenty-first O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form OCe2Nd2 tetrahedra that share corners with thirteen OCe3Nd tetrahedra and edges with five OCe2Nd2 tetrahedra. In the twenty-second O2- site, O2- is bonded to three Nd3+ and one Ce4+ atom to form OCeNd3 tetrahedra that share corners with fifteen OCeNd3 tetrahedra and edges with three OCe3Nd tetrahedra. In the twenty-third O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form a mixture of edge and corner-sharing OCe2Nd2 tetrahedra. In the twenty-fourth O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form distorted OCe2Nd2 tetrahedra that share corners with thirteen OCe3Nd tetrahedra and edges with five OCe2Nd2 tetrahedra. In the twenty-fifth O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form OCe2Nd2 tetrahedra that share corners with twelve OCe3Nd tetrahedra and edges with six OCeNd3 tetrahedra. In the twenty-sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Nd3+ and two Ce4+ atoms. In the twenty-seventh O2- site, O2- is bonded to two Nd3+ and two Ce4+ atoms to form OCe2Nd2 tetrahedra that share corners with twelve OCe3Nd tetrahedra and edges with five OCe2Nd2 tetrahedra. In the twenty-eighth O2- site, O2- is bonded to three Nd3+ and one Ce4+ atom to form OCeNd3 tetrahedra that share corners with thirteen OCe3Nd tetrahedra and edges with four OCe2Nd2 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on Nb2P4O15 by Materials Project

Nb2P4O15 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Nb5+ sites. In the first Nb5+ site, Nb5+ is bonded to six O2- atoms to form distorted NbO6 octahedra that share corners with five PO4 tetrahedra. There are a spread of Nb–O bond distances ranging from 1.73–2.35 Å. In the second Nb5+ site, Nb5+ is bonded to six O2- atoms to form distorted NbO6 octahedra that share corners with five PO4 tetrahedra. There are a spread of Nb–O bond distances ranging from 1.73–2.30 Å. In the third Nb5+ site, Nb5+ is bonded to six O2- atoms to form distorted NbO6 octahedra that share corners with five PO4 tetrahedra. There are a spread of Nb–O bond distances ranging from 1.73–2.35 Å. In the fourth Nb5+ site, Nb5+ is bonded to six O2- atoms to form distorted NbO6 octahedra that share corners with five PO4 tetrahedra. There are a spread of Nb–O bond distances ranging from 1.73–2.30 Å. There are eight inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NbO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 18–28°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two NbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 28–35°. There are a spread of P–O bond distances ranging from 1.48–1.59 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two NbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 24–37°. There are a spread of P–O bond distances ranging from 1.48–1.60 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NbO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 5–24°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NbO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–34°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two NbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 27–34°. There are a spread of P–O bond distances ranging from 1.48–1.59 Å. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two NbO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–37°. There are a spread of P–O bond distances ranging from 1.48–1.60 Å. In the eighth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NbO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 11–26°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. There are thirty inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Nb5+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Nb5+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Nb5+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Nb5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a linear geometry to two P5+ atoms. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the fifteenth O2- site, O2- is bonded in a linear geometry to one Nb5+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a linear geometry to one Nb5+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the twenty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a linear geometry to two P5+ atoms. In the twenty-fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Nb5+ and one P5+ atom. In the twenty-seventh O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the twenty-eighth O2- site, O2- is bonded in a linear geometry to one Nb5+ and one P5+ atom. In the twenty-ninth O2- site, O2- is bonded in a linear geometry to one Nb5+ and one P5+ atom. In the thirtieth O2- site, O2- is bonded in a bent 150 degrees geometry to one Nb5+ and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on MgAl2O4 by Materials Project

MgAl2O4 is Spinel-like structured and crystallizes in the trigonal P3m1 space group. The structure is three-dimensional. there are twelve inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with three equivalent MgO6 octahedra and corners with nine AlO6 octahedra. The corner-sharing octahedra tilt angles range from 57–61°. There is three shorter (1.93 Å) and one longer (2.01 Å) Mg–O bond length. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with three equivalent MgO4 tetrahedra, corners with three equivalent AlO4 tetrahedra, and edges with six AlO6 octahedra. There are three shorter (2.01 Å) and three longer (2.10 Å) Mg–O bond lengths. In the third Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with three equivalent MgO6 octahedra and corners with nine AlO6 octahedra. The corner-sharing octahedra tilt angles range from 57–62°. There is three shorter (1.93 Å) and one longer (1.97 Å) Mg–O bond length. In the fourth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with three equivalent MgO4 tetrahedra, corners with three equivalent AlO4 tetrahedra, and edges with six AlO6 octahedra. There are three shorter (2.03 Å) and three longer (2.08 Å) Mg–O bond lengths. In the fifth Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with twelve AlO6 octahedra. The corner-sharing octahedra tilt angles range from 58–60°. There is one shorter (1.94 Å) and three longer (1.95 Å) Mg–O bond length. In the sixth Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with twelve AlO6 octahedra. The corner-sharing octahedra tilt angles range from 59–60°. All Mg–O bond lengths are 1.96 Å. In the seventh Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with twelve AlO6 octahedra. The corner-sharing octahedra tilt angles range from 59–61°. There is three shorter (1.98 Å) and one longer (1.99 Å) Mg–O bond length. In the eighth Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with twelve AlO6 octahedra. The corner-sharing octahedra tilt angles range from 59–60°. There is one shorter (1.95 Å) and three longer (1.96 Å) Mg–O bond length. In the ninth Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with twelve AlO6 octahedra. The corner-sharing octahedra tilt angles range from 59–60°. There is three shorter (1.96 Å) and one longer (1.97 Å) Mg–O bond length. In the tenth Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with twelve AlO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Mg–O bond lengths are 1.96 Å. In the eleventh Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with twelve AlO6 octahedra. The corner-sharing octahedra tilt angles range from 59–60°. There is three shorter (1.96 Å) and one longer (1.98 Å) Mg–O bond length. In the twelfth Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with twelve AlO6 octahedra. The corner-sharing octahedra tilt angles range from 59–62°. There is three shorter (1.96 Å) and one longer (2.01 Å) Mg–O bond length. There are twelve inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with three MgO4 tetrahedra, corners with three AlO4 tetrahedra, edges with two MgO6 octahedra, and edges with four equivalent AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.88–2.04 Å. In the second Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share a cornercorner with one AlO4 tetrahedra, corners with five MgO4 tetrahedra, an edgeedge with one MgO6 octahedra, and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.89–2.07 Å. In the third Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with three equivalent MgO6 octahedra and corners with nine AlO6 octahedra. The corner-sharing octahedra tilt angles range from 55–60°. There is three shorter (1.84 Å) and one longer (1.85 Å) Al–O bond length. In the fourth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six MgO4 tetrahedra and edges with six AlO6 octahedra. All Al–O bond lengths are 1.93 Å. In the fifth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six MgO4 tetrahedra and edges with six AlO6 octahedra. There is two shorter (1.93 Å) and four longer (1.94 Å) Al–O bond length. In the sixth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six MgO4 tetrahedra and edges with six AlO6 octahedra. All Al–O bond lengths are 1.94 Å. In the seventh Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six MgO4 tetrahedra and edges with six AlO6 octahedra. There is three shorter (1.93 Å) and three longer (1.94 Å) Al–O bond length. In the eighth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six MgO4 tetrahedra and edges with six AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.93–1.95 Å. In the ninth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six MgO4 tetrahedra and edges with six AlO6 octahedra. There is three shorter (1.92 Å) and three longer (1.95 Å) Al–O bond length. In the tenth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with two equivalent AlO4 tetrahedra, corners with four MgO4 tetrahedra, an edgeedge with one MgO6 octahedra, and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.92–1.99 Å. In the eleventh Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six MgO4 tetrahedra and edges with six AlO6 octahedra. There is three shorter (1.92 Å) and three longer (1.94 Å) Al–O bond length. In the twelfth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with three equivalent MgO6 octahedra and corners with nine AlO6 octahedra. The corner-sharing octahedra tilt angles range from 55–61°. There is three shorter (1.83 Å) and one longer (1.86 Å) Al–O bond length. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mg2+ and two equivalent Al3+ atoms. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Mg2+ and three equivalent Al3+ atoms. In the third O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mg2+ and two equivalent Al3+ atoms. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Mg2+ and three Al3+ atoms. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to four Al3+ atoms. In the sixth O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form distorted corner-sharing OMgAl3 trigonal pyramids. In the seventh O2- site, O2- is bonded to one Mg2+ and three Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the eighth O2- site, O2- is bonded to one Mg2+ and three Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 tetrahedra. In the ninth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the tenth O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the eleventh O2- site, O2- is bonded to one Mg2+ and three Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the twelfth O2- site, O2- is bonded to one Mg2+ and three Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the thirteenth O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the fourteenth O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the fifteenth O2- site, O2- is bonded to one Mg2+ and three Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the sixteenth O2- site, O2- is bonded to one Mg2+ and three Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the seventeenth O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the eighteenth O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 tetrahedra. In the nineteenth O2- site, O2- is bonded to one Mg2+ and three Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the twentieth O2- site, O2- is bonded to one Mg2+ and three Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the twenty-first O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 tetrahedra. In the twenty-second O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OMgAl3 trigonal pyramids. In the twenty-third O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Mg2+ and three Al3+ atoms. In the twenty-fourth O2- site, O2- is bonded to one Mg2+ and three equivalent Al3+ atoms to form corner-sharing OMgAl3 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on Cd(GaO2)2 by Materials Project

CdGa2O4 is Spinel-like structured and crystallizes in the trigonal P3m1 space group. The structure is three-dimensional. there are twelve inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with three equivalent CdO6 octahedra and corners with nine GaO6 octahedra. The corner-sharing octahedra tilt angles range from 57–67°. There are three shorter (2.13 Å) and one longer (2.22 Å) Cd–O bond lengths. In the second Cd2+ site, Cd2+ is bonded to six O2- atoms to form CdO6 octahedra that share corners with three equivalent CdO4 tetrahedra, corners with three equivalent GaO4 tetrahedra, and edges with six GaO6 octahedra. There are three shorter (2.24 Å) and three longer (2.32 Å) Cd–O bond lengths. In the third Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with three equivalent CdO6 octahedra and corners with nine GaO6 octahedra. The corner-sharing octahedra tilt angles range from 56–69°. There are three shorter (2.14 Å) and one longer (2.16 Å) Cd–O bond lengths. In the fourth Cd2+ site, Cd2+ is bonded to six O2- atoms to form CdO6 octahedra that share corners with three equivalent CdO4 tetrahedra, corners with three equivalent GaO4 tetrahedra, and edges with six GaO6 octahedra. There are three shorter (2.26 Å) and three longer (2.31 Å) Cd–O bond lengths. In the fifth Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with twelve GaO6 octahedra. The corner-sharing octahedra tilt angles range from 59–62°. There are one shorter (2.13 Å) and three longer (2.16 Å) Cd–O bond lengths. In the sixth Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with twelve GaO6 octahedra. The corner-sharing octahedral tilt angles are 61°. There are three shorter (2.17 Å) and one longer (2.18 Å) Cd–O bond lengths. In the seventh Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with twelve GaO6 octahedra. The corner-sharing octahedra tilt angles range from 60–64°. There are three shorter (2.18 Å) and one longer (2.22 Å) Cd–O bond lengths. In the eighth Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with twelve GaO6 octahedra. The corner-sharing octahedra tilt angles range from 61–62°. There are one shorter (2.15 Å) and three longer (2.17 Å) Cd–O bond lengths. In the ninth Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with twelve GaO6 octahedra. The corner-sharing octahedra tilt angles range from 61–62°. There are one shorter (2.16 Å) and three longer (2.17 Å) Cd–O bond lengths. In the tenth Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with twelve GaO6 octahedra. The corner-sharing octahedral tilt angles are 61°. There are three shorter (2.17 Å) and one longer (2.18 Å) Cd–O bond lengths. In the eleventh Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with twelve GaO6 octahedra. The corner-sharing octahedra tilt angles range from 60–61°. There are three shorter (2.16 Å) and one longer (2.18 Å) Cd–O bond lengths. In the twelfth Cd2+ site, Cd2+ is bonded to four O2- atoms to form CdO4 tetrahedra that share corners with twelve GaO6 octahedra. The corner-sharing octahedra tilt angles range from 60–65°. There are three shorter (2.17 Å) and one longer (2.24 Å) Cd–O bond lengths. There are twelve inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with three equivalent CdO6 octahedra and corners with nine GaO6 octahedra. The corner-sharing octahedra tilt angles range from 53–63°. There is three shorter (1.93 Å) and one longer (1.98 Å) Ga–O bond length. In the second Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with three CdO4 tetrahedra, corners with three GaO4 tetrahedra, edges with two CdO6 octahedra, and edges with four equivalent GaO6 octahedra. There are a spread of Ga–O bond distances ranging from 1.96–2.22 Å. In the third Ga3+ site, Ga3+ is bonded to four O2- atoms to form GaO4 tetrahedra that share corners with three equivalent CdO6 octahedra and corners with nine GaO6 octahedra. The corner-sharing octahedra tilt angles range from 52–63°. There is one shorter (1.93 Å) and three longer (1.97 Å) Ga–O bond length. In the fourth Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share a cornercorner with one GaO4 tetrahedra, corners with five CdO4 tetrahedra, an edgeedge with one CdO6 octahedra, and edges with five GaO6 octahedra. There are a spread of Ga–O bond distances ranging from 1.96–2.30 Å. In the fifth Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with six CdO4 tetrahedra and edges with six GaO6 octahedra. There are two shorter (2.03 Å) and four longer (2.05 Å) Ga–O bond lengths. In the sixth Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with six CdO4 tetrahedra and edges with six GaO6 octahedra. There are three shorter (2.02 Å) and three longer (2.04 Å) Ga–O bond lengths. In the seventh Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with six CdO4 tetrahedra and edges with six GaO6 octahedra. There are a spread of Ga–O bond distances ranging from 2.03–2.05 Å. In the eighth Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with six CdO4 tetrahedra and edges with six GaO6 octahedra. There are three shorter (2.03 Å) and three longer (2.05 Å) Ga–O bond lengths. In the ninth Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with six CdO4 tetrahedra and edges with six GaO6 octahedra. There are a spread of Ga–O bond distances ranging from 2.03–2.05 Å. In the tenth Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with six CdO4 tetrahedra and edges with six GaO6 octahedra. There are three shorter (2.03 Å) and three longer (2.05 Å) Ga–O bond lengths. In the eleventh Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with two equivalent GaO4 tetrahedra, corners with four CdO4 tetrahedra, an edgeedge with one CdO6 octahedra, and edges with five GaO6 octahedra. There are four shorter (2.02 Å) and two longer (2.12 Å) Ga–O bond lengths. In the twelfth Ga3+ site, Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share corners with six CdO4 tetrahedra and edges with six GaO6 octahedra. There are three shorter (2.02 Å) and three longer (2.03 Å) Ga–O bond lengths. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded to two Cd2+ and two equivalent Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCd2Ga2 trigonal pyramids. In the second O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 trigonal pyramids. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Cd2+ and three Ga3+ atoms. In the fourth O2- site, O2- is bonded to two Cd2+ and two equivalent Ga3+ atoms to form distorted OCd2Ga2 trigonal pyramids that share corners with four equivalent OCdGa3 tetrahedra, corners with three OCdGa3 trigonal pyramids, and edges with three OCd2Ga2 trigonal pyramids. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to four Ga3+ atoms. In the sixth O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form distorted OCdGa3 trigonal pyramids that share corners with nine OCdGa3 tetrahedra and edges with three equivalent OCd2Ga2 trigonal pyramids. In the seventh O2- site, O2- is bonded to one Cd2+ and three Ga3+ atoms to form OCdGa3 tetrahedra that share corners with six OCdGa3 tetrahedra, corners with six OCd2Ga2 trigonal pyramids, and edges with two equivalent OCdGa3 tetrahedra. In the eighth O2- site, O2- is bonded to one Cd2+ and three Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the ninth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Ga3+ atoms. In the tenth O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the eleventh O2- site, O2- is bonded to one Cd2+ and three Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the twelfth O2- site, O2- is bonded to one Cd2+ and three Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the thirteenth O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the fourteenth O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the fifteenth O2- site, O2- is bonded to one Cd2+ and three Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the sixteenth O2- site, O2- is bonded to one Cd2+ and three Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the seventeenth O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the eighteenth O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the nineteenth O2- site, O2- is bonded to one Cd2+ and three Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the twentieth O2- site, O2- is bonded to one Cd2+ and three Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the twenty-first O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form a mixture of distorted edge and corner-sharing OCdGa3 tetrahedra. In the twenty-second O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form distorted OCdGa3 trigonal pyramids that share corners with three equivalent OCdGa3 tetrahedra, corners with three equivalent OCd2Ga2 trigonal pyramids, and edges with three equivalent OCdGa3 tetrahedra. In the twenty-third O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Cd2+ and three Ga3+ atoms. In the twenty-fourth O2- site, O2- is bonded to one Cd2+ and three equivalent Ga3+ atoms to form corner-sharing OCdGa3 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on KAl11O17 by Materials Project

KAl11O17 is beta indium sulfide-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of K–O bond distances ranging from 2.65–3.27 Å. In the second K1+ site, K1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of K–O bond distances ranging from 2.68–2.95 Å. There are eighteen inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six AlO4 tetrahedra and edges with six AlO6 octahedra. All Al–O bond lengths are 1.91 Å. In the second Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.83–2.07 Å. In the third Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six AlO4 tetrahedra and edges with six AlO6 octahedra. There is one shorter (1.90 Å) and five longer (1.91 Å) Al–O bond length. In the fourth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.83–2.06 Å. In the fifth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.83–2.06 Å. In the sixth Al3+ site, Al3+ is bonded to four O2- atoms to form corner-sharing AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–58°. There is three shorter (1.82 Å) and one longer (1.83 Å) Al–O bond length. In the seventh Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with six AlO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–54°. There are a spread of Al–O bond distances ranging from 1.72–1.80 Å. In the eighth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with six AlO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–55°. There are a spread of Al–O bond distances ranging from 1.73–1.80 Å. In the ninth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.84–2.04 Å. In the tenth Al3+ site, Al3+ is bonded to four O2- atoms to form corner-sharing AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–59°. There is three shorter (1.82 Å) and one longer (1.84 Å) Al–O bond length. In the eleventh Al3+ site, Al3+ is bonded to four O2- atoms to form corner-sharing AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–58°. There is three shorter (1.82 Å) and one longer (1.83 Å) Al–O bond length. In the twelfth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.05 Å. In the thirteenth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.05 Å. In the fourteenth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with six AlO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. There is one shorter (1.72 Å) and three longer (1.80 Å) Al–O bond length. In the fifteenth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with six AlO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–54°. There is one shorter (1.72 Å) and three longer (1.79 Å) Al–O bond length. In the sixteenth Al3+ site, Al3+ is bonded to four O2- atoms to form corner-sharing AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–59°. There is three shorter (1.82 Å) and one longer (1.84 Å) Al–O bond length. In the seventeenth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.06 Å. In the eighteenth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.83–2.03 Å. There are twenty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the second O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Al3+ atoms. In the third O2- site, O2- is bonded in a trigonal planar geometry to three Al3+ atoms. In the fourth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the sixth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one K1+ and three Al3+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Al3+ atoms. In the ninth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Al3+ atoms. In the tenth O2- site, O2- is bonded in a distorted linear geometry to two equivalent K1+ and two Al3+ atoms. In the eleventh O2- site, O2- is bonded in a trigonal planar geometry to three Al3+ atoms. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Al3+ atoms. In the thirteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the fourteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the fifteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the sixteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the seventeenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to one K1+ and three Al3+ atoms. In the nineteenth O2- site, O2- is bonded in a 3-coordinate geometry to one K1+ and three Al3+ atoms. In the twentieth O2- site, O2- is bonded in a linear geometry to three equivalent K1+ and two Al3+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted tetrahedral geometry to one K1+ and three Al3+ atoms. In the twenty-second O2- site, O2- is bonded in a trigonal planar geometry to three Al3+ atoms. In the twenty-third O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the twenty-fourth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the twenty-fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the twenty-sixth O2- site, O2- is bonded in a 4-coordinate geometry to one K1+ and three Al3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on CaMg2TiAl2SiO10 by Materials Project

CaMg2TiAl2SiO10 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.37–2.68 Å. In the second Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.38–2.64 Å. In the third Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.27–2.76 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.25–2.77 Å. There are eight inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two SiO4 tetrahedra, corners with four AlO4 tetrahedra, edges with two TiO6 octahedra, and edges with three MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.06–2.16 Å. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share a cornercorner with one MgO6 octahedra, a cornercorner with one TiO6 octahedra, corners with two AlO4 tetrahedra, corners with two SiO4 tetrahedra, edges with two TiO6 octahedra, and edges with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 19–20°. There are a spread of Mg–O bond distances ranging from 2.06–2.30 Å. In the third Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two AlO4 tetrahedra, corners with two SiO4 tetrahedra, edges with two MgO6 octahedra, and edges with three TiO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.07–2.16 Å. In the fourth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two MgO6 octahedra, a cornercorner with one SiO4 tetrahedra, corners with three AlO4 tetrahedra, edges with two MgO6 octahedra, and edges with two TiO6 octahedra. The corner-sharing octahedra tilt angles range from 17–19°. There are a spread of Mg–O bond distances ranging from 2.01–2.18 Å. In the fifth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two SiO4 tetrahedra, corners with three AlO4 tetrahedra, edges with two TiO6 octahedra, and edges with three MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 1.97–2.19 Å. In the sixth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two SiO4 tetrahedra, corners with three AlO4 tetrahedra, an edgeedge with one TiO6 octahedra, and edges with four MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.00–2.28 Å. In the seventh Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share a cornercorner with one MgO6 octahedra, a cornercorner with one TiO6 octahedra, corners with two AlO4 tetrahedra, corners with two SiO4 tetrahedra, edges with two TiO6 octahedra, and edges with four MgO6 octahedra. The corner-sharing octahedra tilt angles range from 15–17°. There are a spread of Mg–O bond distances ranging from 2.09–2.28 Å. In the eighth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two SiO4 tetrahedra, corners with four AlO4 tetrahedra, an edgeedge with one TiO6 octahedra, and edges with four MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.02–2.22 Å. There are four inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with five AlO4 tetrahedra and edges with five MgO6 octahedra. There are a spread of Ti–O bond distances ranging from 1.91–2.09 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with five AlO4 tetrahedra, an edgeedge with one TiO6 octahedra, and edges with four MgO6 octahedra. There are a spread of Ti–O bond distances ranging from 1.88–2.08 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four AlO4 tetrahedra, an edgeedge with one TiO6 octahedra, and edges with four MgO6 octahedra. There are a spread of Ti–O bond distances ranging from 1.81–2.24 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two MgO6 octahedra, a cornercorner with one SiO4 tetrahedra, corners with three AlO4 tetrahedra, edges with two MgO6 octahedra, and edges with two TiO6 octahedra. The corner-sharing octahedra tilt angles range from 15–20°. There are a spread of Ti–O bond distances ranging from 1.88–2.13 Å. There are eight inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with two MgO6 octahedra, corners with four TiO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 46–64°. There are a spread of Al–O bond distances ranging from 1.77–1.84 Å. In the second Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with three MgO6 octahedra, corners with three TiO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 43–64°. There are a spread of Al–O bond distances ranging from 1.78–1.81 Å. In the third Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with two TiO6 octahedra, corners with three MgO6 octahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 44–64°. There are a spread of Al–O bond distances ranging from 1.76–1.78 Å. In the fourth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share a cornercorner with one TiO6 octahedra, corners with two MgO6 octahedra, a cornercorner with one AlO4 tetrahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 58–68°. There are a spread of Al–O bond distances ranging from 1.73–1.80 Å. In the fifth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with two MgO6 octahedra, corners with three TiO6 octahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–69°. There are a spread of Al–O bond distances ranging from 1.75–1.80 Å. In the sixth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share a cornercorner with one TiO6 octahedra, corners with two MgO6 octahedra, a cornercorner with one AlO4 tetrahedra, and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 60–64°. There are a spread of Al–O bond distances ranging from 1.72–1.79 Å. In the seventh Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share a cornercorner with one TiO6 octahedra, corners with five MgO6 octahedra, and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–63°. There are a spread of Al–O bond distances ranging from 1.75–1.89 Å. In the eighth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with two TiO6 octahedra, corners with four MgO6 octahedra, and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–64°. There are a spread of Al–O bond distances ranging from 1.73–1.87 Å. There are four inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–65°. There are a spread of Si–O bond distances ranging from 1.63–1.66 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one TiO6 octahedra, corners with four MgO6 octahedra, and corners with two AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–58°. There are a spread of Si–O bond distances ranging from 1.64–1.67 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–65°. There are a spread of Si–O bond distances ranging from 1.63–1.66 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with five MgO6 octahedra and corners with two AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–57°. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. There are forty inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+, one Ti4+, and one Al3+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Mg2+ and two Ti4+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one Ca2+, two Ti4+, and one Al3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+, one Ti4+, and one Al3+ atom. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Ca2+, one Mg2+, one Ti4+, and one Al3+ atom. In the sixth O2- site, O2- is bonded to three Mg2+ and one Ti4+ atom to form distorted OMg3Ti trigonal pyramids that share corners with two OMg3Si tetrahedra, a cornercorner with one OMg2TiAl trigonal pyramid, and an edgeedge with one OMg2TiAl tetrahedra. In the seventh O2- site, O2- is bonded to three Mg2+ and one Si4+ atom to form distorted OMg3Si tetrahedra that share a cornercorner with one OMg2TiAl tetrahedra, corners with two OMg3Ti trigonal pyramids, and an edgeedge with one OMg2TiAl tetrahedra. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one Al3+, and one Si4+ atom. In the ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Ca2+, one Mg2+, one Ti4+, and one Al3+ atom. In the tenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Mg2+ and one Si4+ atom. In the eleventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Ca2+, one Mg2+, one Ti4+, and one Si4+ atom. In the twelfth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Ca2+, one Mg2+, one Ti4+, and one Al3+ atom. In the thirteenth O2- site, O2- is bonded to two Mg2+, one Ti4+, and one Al3+ atom to form distorted OMg2TiAl trigonal pyramids that share a cornercorner with one OMg3Si tetrahedra, a cornercorner with one OMg3Ti trigonal pyramid, and an edgeedge with one OMg2TiAl tetrahedra. In the fourteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one Al3+, and one Si4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one Al3+, and one Si4+ atom. In the sixteenth O2- site, O2- is bonded to two Mg2+, one Ti4+, and one Al3+ atom to form distorted OMg2TiAl tetrahedra that share corners with two OMg3Si tetrahedra and a cornercorner with one OMg3Ti trigonal pyramid. In the seventeenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Ca2+, two Mg2+, and one Si4+ atom. In the eighteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Ca2+, one Al3+, and one Si4+ atom. In the nineteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one Al3+, and one Si4+ atom. In the twentieth O2- site, O2- is bonded in a 4-coordinate geometry to two Ca2+, one Al3+, and one Si4+ atom. In the twenty-first O2- site, O2- is bonded in a 2-coordinate geometry to two Ca2+, one Al3+, and one Si4+ atom. In the twenty-second O2- site, O2- is bonded in a di

36 MATERIALS SCIENCE↗

Materials Data on TiSO5 by Materials Project

TiOSO4 crystallizes in the orthorhombic Pmc2_1 space group. The structure is three-dimensional. there are eight inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedral tilt angles are 3°. There are a spread of Ti–O bond distances ranging from 1.81–2.15 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedral tilt angles are 6°. There are a spread of Ti–O bond distances ranging from 1.80–2.14 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedral tilt angles are 6°. There are a spread of Ti–O bond distances ranging from 1.80–2.13 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. There are a spread of Ti–O bond distances ranging from 1.81–2.13 Å. In the fifth Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedral tilt angles are 3°. There are a spread of Ti–O bond distances ranging from 1.81–2.16 Å. In the sixth Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedral tilt angles are 9°. There are a spread of Ti–O bond distances ranging from 1.81–2.15 Å. In the seventh Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedral tilt angles are 1°. There are a spread of Ti–O bond distances ranging from 1.81–2.12 Å. In the eighth Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four SO4 tetrahedra. The corner-sharing octahedral tilt angles are 9°. There are a spread of Ti–O bond distances ranging from 1.80–2.15 Å. There are eight inequivalent S6+ sites. In the first S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 2–19°. There are a spread of S–O bond distances ranging from 1.46–1.49 Å. In the second S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 8–29°. There is two shorter (1.47 Å) and two longer (1.49 Å) S–O bond length. In the third S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 14–33°. There are a spread of S–O bond distances ranging from 1.47–1.50 Å. In the fourth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 15–40°. There is two shorter (1.46 Å) and two longer (1.49 Å) S–O bond length. In the fifth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 10–19°. There is two shorter (1.47 Å) and two longer (1.49 Å) S–O bond length. In the sixth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 5–28°. There is two shorter (1.47 Å) and two longer (1.49 Å) S–O bond length. In the seventh S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 15–36°. There is two shorter (1.46 Å) and two longer (1.49 Å) S–O bond length. In the eighth S6+ site, S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four TiO6 octahedra. The corner-sharing octahedra tilt angles range from 15–39°. There are a spread of S–O bond distances ranging from 1.47–1.50 Å. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to one Ti4+ and one S6+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the third O2- site, O2- is bonded in a linear geometry to two Ti4+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to one Ti4+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted linear geometry to one Ti4+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the ninth O2- site, O2- is bonded in a distorted linear geometry to one Ti4+ and one S6+ atom. In the tenth O2- site, O2- is bonded in a linear geometry to two Ti4+ atoms. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the twelfth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a linear geometry to one Ti4+ and one S6+ atom. In the fourteenth O2- site, O2- is bonded in a linear geometry to one Ti4+ and one S6+ atom. In the fifteenth O2- site, O2- is bonded in a linear geometry to one Ti4+ and one S6+ atom. In the sixteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the eighteenth O2- site, O2- is bonded in a distorted linear geometry to one Ti4+ and one S6+ atom. In the nineteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the twentieth O2- site, O2- is bonded in a linear geometry to one Ti4+ and one S6+ atom. In the twenty-first O2- site, O2- is bonded in a distorted linear geometry to one Ti4+ and one S6+ atom. In the twenty-second O2- site, O2- is bonded in a linear geometry to one Ti4+ and one S6+ atom. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the twenty-fifth O2- site, O2- is bonded in a linear geometry to two Ti4+ atoms. In the twenty-sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one S6+ atom. In the twenty-seventh O2- site, O2- is bonded in a linear geometry to one Ti4+ and one S6+ atom. In the twenty-eighth O2- site, O2- is bonded in a linear geometry to two Ti4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba4In6O13 by Materials Project

Ba4In6O13 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–3.11 Å. In the second Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–3.10 Å. In the third Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.09 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–3.12 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–3.10 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.10 Å. In the seventh Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.67–3.10 Å. In the eighth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.67–3.10 Å. There are twelve inequivalent In3+ sites. In the first In3+ site, In3+ is bonded to five O2- atoms to form InO5 trigonal bipyramids that share a cornercorner with one InO6 octahedra, corners with six InO5 trigonal bipyramids, and an edgeedge with one InO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 7°. There are a spread of In–O bond distances ranging from 2.09–2.36 Å. In the second In3+ site, In3+ is bonded to five O2- atoms to form distorted InO5 trigonal bipyramids that share a cornercorner with one InO6 octahedra, corners with four InO5 trigonal bipyramids, and edges with three InO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 10°. There are a spread of In–O bond distances ranging from 2.07–2.36 Å. In the third In3+ site, In3+ is bonded to five O2- atoms to form InO5 trigonal bipyramids that share a cornercorner with one InO6 octahedra, corners with six InO5 trigonal bipyramids, and an edgeedge with one InO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 8°. There are a spread of In–O bond distances ranging from 2.09–2.36 Å. In the fourth In3+ site, In3+ is bonded to six O2- atoms to form InO6 octahedra that share corners with four InO6 octahedra and corners with two InO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 4–8°. There are a spread of In–O bond distances ranging from 2.10–2.51 Å. In the fifth In3+ site, In3+ is bonded to six O2- atoms to form InO6 octahedra that share corners with four InO6 octahedra and corners with two InO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 4–7°. There are a spread of In–O bond distances ranging from 2.10–2.50 Å. In the sixth In3+ site, In3+ is bonded to five O2- atoms to form distorted InO5 trigonal bipyramids that share a cornercorner with one InO6 octahedra, corners with six InO5 trigonal bipyramids, and an edgeedge with one InO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 8°. There are a spread of In–O bond distances ranging from 2.09–2.38 Å. In the seventh In3+ site, In3+ is bonded to five O2- atoms to form distorted InO5 trigonal bipyramids that share a cornercorner with one InO6 octahedra, corners with four InO5 trigonal bipyramids, and edges with three InO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 10°. There are a spread of In–O bond distances ranging from 2.07–2.36 Å. In the eighth In3+ site, In3+ is bonded to five O2- atoms to form distorted InO5 trigonal bipyramids that share a cornercorner with one InO6 octahedra, corners with six InO5 trigonal bipyramids, and an edgeedge with one InO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 8°. There are a spread of In–O bond distances ranging from 2.09–2.37 Å. In the ninth In3+ site, In3+ is bonded to five O2- atoms to form distorted InO5 trigonal bipyramids that share a cornercorner with one InO6 octahedra, corners with four InO5 trigonal bipyramids, and edges with three InO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 10°. There are a spread of In–O bond distances ranging from 2.07–2.37 Å. In the tenth In3+ site, In3+ is bonded to five O2- atoms to form distorted InO5 trigonal bipyramids that share a cornercorner with one InO6 octahedra, corners with four InO5 trigonal bipyramids, and edges with three InO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 10°. There are a spread of In–O bond distances ranging from 2.07–2.35 Å. In the eleventh In3+ site, In3+ is bonded to six O2- atoms to form InO6 octahedra that share corners with four InO6 octahedra and corners with two InO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 3–8°. There are a spread of In–O bond distances ranging from 2.10–2.51 Å. In the twelfth In3+ site, In3+ is bonded to six O2- atoms to form InO6 octahedra that share corners with four InO6 octahedra and corners with two InO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 3–7°. There are a spread of In–O bond distances ranging from 2.10–2.50 Å. There are twenty-six inequivalent O2- sites. In the first O2- site, O2- is bonded to four Ba2+ and two In3+ atoms to form distorted OBa4In2 octahedra that share corners with two OBa4In2 octahedra, corners with four OBaIn3 tetrahedra, edges with two OBa4In2 octahedra, and faces with four OBa4In2 octahedra. The corner-sharing octahedra tilt angles range from 1–5°. In the second O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two In3+ atoms. In the third O2- site, O2- is bonded to one Ba2+ and three In3+ atoms to form distorted OBaIn3 tetrahedra that share corners with four OBa4In2 octahedra, corners with seven OBaIn3 tetrahedra, and an edgeedge with one OBaIn3 tetrahedra. The corner-sharing octahedra tilt angles range from 28–66°. In the fourth O2- site, O2- is bonded to one Ba2+ and three In3+ atoms to form distorted OBaIn3 tetrahedra that share corners with four OBa4In2 octahedra, corners with five OBaIn3 tetrahedra, corners with two equivalent OIn4 trigonal pyramids, and an edgeedge with one OIn4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 24–70°. In the fifth O2- site, O2- is bonded to one Ba2+ and three In3+ atoms to form distorted OBaIn3 tetrahedra that share corners with four OBa4In2 octahedra, corners with five OBaIn3 tetrahedra, corners with two equivalent OIn4 trigonal pyramids, and an edgeedge with one OIn4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 24–71°. In the sixth O2- site, O2- is bonded to one Ba2+ and three In3+ atoms to form distorted OBaIn3 tetrahedra that share corners with four OBa4In2 octahedra, corners with seven OBaIn3 tetrahedra, and an edgeedge with one OBaIn3 tetrahedra. The corner-sharing octahedra tilt angles range from 28–66°. In the seventh O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two In3+ atoms. In the eighth O2- site, O2- is bonded to four In3+ atoms to form distorted OIn4 trigonal pyramids that share corners with four OBaIn3 tetrahedra, edges with two OBaIn3 tetrahedra, and edges with two equivalent OIn4 trigonal pyramids. In the ninth O2- site, O2- is bonded to four In3+ atoms to form distorted OIn4 trigonal pyramids that share corners with four OBaIn3 tetrahedra, edges with two OBaIn3 tetrahedra, and edges with two equivalent OIn4 trigonal pyramids. In the tenth O2- site, O2- is bonded to one Ba2+ and three In3+ atoms to form distorted OBaIn3 tetrahedra that share corners with four OBa4In2 octahedra, corners with seven OBaIn3 tetrahedra, and an edgeedge with one OBaIn3 tetrahedra. The corner-sharing octahedra tilt angles range from 27–66°. In the eleventh O2- site, O2- is bonded to four Ba2+ and two In3+ atoms to form distorted OBa4In2 octahedra that share corners with two OBa4In2 octahedra, corners with four OBaIn3 tetrahedra, edges with two OBa4In2 octahedra, and faces with four OBa4In2 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. In the twelfth O2- site, O2- is bonded to four Ba2+ and two In3+ atoms to form distorted OBa4In2 octahedra that share corners with two OBa4In2 octahedra, corners with four OBaIn3 tetrahedra, edges with two OBa4In2 octahedra, and faces with four OBa4In2 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. In the thirteenth O2- site, O2- is bonded to four Ba2+ and two In3+ atoms to form distorted OBa4In2 octahedra that share corners with two OBa4In2 octahedra, corners with four OBaIn3 tetrahedra, edges with two OBa4In2 octahedra, and faces with four OBa4In2 octahedra. The corner-sharing octahedra tilt angles range from 1–5°. In the fourteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two In3+ atoms. In the fifteenth O2- site, O2- is bonded to four Ba2+ and two In3+ atoms to form distorted OBa4In2 octahedra that share corners with two OBa4In2 octahedra, corners with four OBaIn3 tetrahedra, edges with two OBa4In2 octahedra, and faces with four OBa4In2 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. In the sixteenth O2- site, O2- is bonded to four Ba2+ and two In3+ atoms to form distorted OBa4In2 octahedra that share corners with two OBa4In2 octahedra, corners with four OBaIn3 tetrahedra, edges with two OBa4In2 octahedra, and faces with four OBa4In2 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. In the seventeenth O2- site, O2- is bonded to four Ba2+ and two In3+ atoms to form distorted OBa4In2 octahedra that share corners with two OBa4In2 octahedra, corners with four OBaIn3 tetrahedra, edges with two OBa4In2 octahedra, and faces with four OBa4In2 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. In the eighteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two In3+ atoms. In the nineteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two In3+ atoms. In the twentieth O2- site, O2- is bonded to one Ba2+ and three In3+ atoms to form distorted OBaIn3 tetrahedra that share corners with four OBa4In2 octahedra, corners with five OBaIn3 tetrahedra, corners with two equivalent OIn4 trigonal pyramids, and an edgeedge with one OIn4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 24–71°. In the twenty-first O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two In3+ atoms. In the twenty-second O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two In3+ atoms. In the twenty-third O2- site, O2- is bonded to four Ba2+ and two In3+ atoms to form distorted OBa4In2 octahedra that share corners with two OBa4In2 octahedra, corners with four OBaIn3 tetrahedra, edges with two OBa4In2 octahedra, and faces with four OBa4In2 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. In the twenty-fourth O2- site, O2- is bonded to one Ba2+ and three In3+ atoms to form distorted OBaIn3 tetrahedra that share corners with four OBa4In2 octahedra, corners with seven OBaIn3 tetrahedra, and an edgeedge with one OBaIn3 tetrahedra. The corner-sharing octahedra tilt angles range from 28–66°. In the twenty-fifth O2- site, O2- is bonded to one Ba2+ and three In3+ atoms to form distorted OBaIn3 tetrahedra that share corners with four OBa4In2 octahedra, corners with five OBaIn3 tetrahedra, corners with two equivalent OIn4 trigonal pyramids, and an edgeedge with one OIn4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 24–71°. In the twenty-sixth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and

36 MATERIALS SCIENCE↗

Materials Data on FeSiO3 by Materials Project

FeSiO3 is Esseneite-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are nine inequivalent Fe2+ sites. In the first Fe2+ site, Fe2+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with five SiO4 tetrahedra, edges with three FeO6 octahedra, and an edgeedge with one SiO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 2.12–2.29 Å. In the second Fe2+ site, Fe2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Fe–O bond distances ranging from 1.97–2.71 Å. In the third Fe2+ site, Fe2+ is bonded to six O2- atoms to form distorted FeO6 octahedra that share corners with six SiO4 tetrahedra, edges with two FeO6 octahedra, and an edgeedge with one SiO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 2.02–2.69 Å. In the fourth Fe2+ site, Fe2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Fe–O bond distances ranging from 2.03–2.56 Å. In the fifth Fe2+ site, Fe2+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six SiO4 tetrahedra and edges with two FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 2.11–2.31 Å. In the sixth Fe2+ site, Fe2+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six SiO4 tetrahedra and edges with three FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 2.10–2.34 Å. In the seventh Fe2+ site, Fe2+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six SiO4 tetrahedra and edges with four FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 2.11–2.33 Å. In the eighth Fe2+ site, Fe2+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Fe–O bond distances ranging from 2.04–2.13 Å. In the ninth Fe2+ site, Fe2+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six SiO4 tetrahedra and edges with four FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 2.10–2.34 Å. There are nine inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four FeO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 34–63°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three FeO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 42–62°. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four FeO6 octahedra, corners with two SiO4 tetrahedra, and an edgeedge with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 45–69°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three FeO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 36–62°. There are a spread of Si–O bond distances ranging from 1.63–1.66 Å. In the fifth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four FeO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–66°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the sixth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with six FeO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 46–74°. There are a spread of Si–O bond distances ranging from 1.62–1.68 Å. In the seventh Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three equivalent FeO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 39–62°. There are a spread of Si–O bond distances ranging from 1.63–1.66 Å. In the eighth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three FeO6 octahedra, corners with two SiO4 tetrahedra, and an edgeedge with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 9–63°. There are a spread of Si–O bond distances ranging from 1.61–1.69 Å. In the ninth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with five FeO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 43–63°. There are a spread of Si–O bond distances ranging from 1.63–1.67 Å. There are twenty-seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe2+ and one Si4+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Fe2+ and one Si4+ atom. In the third O2- site, O2- is bonded to three Fe2+ and one Si4+ atom to form a mixture of distorted corner and edge-sharing OFe3Si tetrahedra. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Fe2+ and two Si4+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Si4+ atoms. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Fe2+ and one Si4+ atom. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three Fe2+ and one Si4+ atom. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to three Fe2+ and one Si4+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to two Fe2+ and one Si4+ atom. In the twelfth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Fe2+ and one Si4+ atom. In the thirteenth O2- site, O2- is bonded to three Fe2+ and one Si4+ atom to form distorted corner-sharing OFe3Si tetrahedra. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Fe2+ and two Si4+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe2+ and one Si4+ atom. In the sixteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Fe2+ and one Si4+ atom. In the seventeenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe2+ and two Si4+ atoms. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Fe2+ and one Si4+ atom. In the nineteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Fe2+ and one Si4+ atom. In the twentieth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe2+ and two Si4+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted T-shaped geometry to two Fe2+ and one Si4+ atom. In the twenty-second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Si4+ atoms. In the twenty-third O2- site, O2- is bonded in a 2-coordinate geometry to one Fe2+ and two Si4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe2+ and one Si4+ atom. In the twenty-fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Fe2+ and one Si4+ atom. In the twenty-sixth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe2+ and one Si4+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Fe2+ and one Si4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ba5Bi5O13 by Materials Project

Ba5Bi5O13 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are ten inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.74–3.27 Å. In the second Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.75–3.47 Å. In the third Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.29 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.74–3.48 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.26 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.48 Å. In the seventh Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.71–3.37 Å. In the eighth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.75–3.47 Å. In the ninth Ba2+ site, Ba2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ba–O bond distances ranging from 2.74–3.26 Å. In the tenth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.26 Å. There are ten inequivalent Bi+3.20+ sites. In the first Bi+3.20+ site, Bi+3.20+ is bonded to five O2- atoms to form BiO5 square pyramids that share corners with three equivalent BiO6 octahedra and corners with two equivalent BiO5 square pyramids. The corner-sharing octahedra tilt angles range from 5–19°. There are a spread of Bi–O bond distances ranging from 2.11–2.34 Å. In the second Bi+3.20+ site, Bi+3.20+ is bonded to five O2- atoms to form corner-sharing BiO5 square pyramids. There are a spread of Bi–O bond distances ranging from 2.18–2.38 Å. In the third Bi+3.20+ site, Bi+3.20+ is bonded to six O2- atoms to form corner-sharing BiO6 octahedra. There are a spread of Bi–O bond distances ranging from 2.23–2.33 Å. In the fourth Bi+3.20+ site, Bi+3.20+ is bonded to five O2- atoms to form corner-sharing BiO5 square pyramids. There are a spread of Bi–O bond distances ranging from 2.18–2.38 Å. In the fifth Bi+3.20+ site, Bi+3.20+ is bonded to five O2- atoms to form BiO5 square pyramids that share corners with three equivalent BiO6 octahedra and corners with two equivalent BiO5 square pyramids. The corner-sharing octahedra tilt angles range from 6–19°. There are a spread of Bi–O bond distances ranging from 2.11–2.34 Å. In the sixth Bi+3.20+ site, Bi+3.20+ is bonded to five O2- atoms to form corner-sharing BiO5 square pyramids. There are a spread of Bi–O bond distances ranging from 2.15–2.43 Å. In the seventh Bi+3.20+ site, Bi+3.20+ is bonded to five O2- atoms to form BiO5 square pyramids that share corners with three equivalent BiO6 octahedra and corners with two equivalent BiO5 square pyramids. The corner-sharing octahedra tilt angles range from 6–26°. There are a spread of Bi–O bond distances ranging from 2.11–2.34 Å. In the eighth Bi+3.20+ site, Bi+3.20+ is bonded to five O2- atoms to form BiO5 square pyramids that share corners with three equivalent BiO6 octahedra and corners with two equivalent BiO5 square pyramids. The corner-sharing octahedra tilt angles range from 6–26°. There are a spread of Bi–O bond distances ranging from 2.12–2.34 Å. In the ninth Bi+3.20+ site, Bi+3.20+ is bonded to five O2- atoms to form corner-sharing BiO5 square pyramids. There are a spread of Bi–O bond distances ranging from 2.15–2.43 Å. In the tenth Bi+3.20+ site, Bi+3.20+ is bonded to six O2- atoms to form corner-sharing BiO6 octahedra. There are a spread of Bi–O bond distances ranging from 2.26–2.34 Å. There are twenty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the third O2- site, O2- is bonded to four Ba2+ and two Bi+3.20+ atoms to form distorted OBa4Bi2 octahedra that share corners with three OBa4Bi2 octahedra and a cornercorner with one OBa2Bi2 trigonal pyramid. The corner-sharing octahedra tilt angles range from 6–7°. In the fourth O2- site, O2- is bonded to four Ba2+ and two Bi+3.20+ atoms to form distorted corner-sharing OBa4Bi2 octahedra. The corner-sharing octahedra tilt angles range from 7–52°. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the seventh O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the eighth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the tenth O2- site, O2- is bonded to four Ba2+ and two Bi+3.20+ atoms to form a mixture of distorted face and corner-sharing OBa4Bi2 octahedra. The corner-sharing octahedra tilt angles range from 5–69°. In the eleventh O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the twelfth O2- site, O2- is bonded to four Ba2+ and two Bi+3.20+ atoms to form a mixture of distorted face and corner-sharing OBa4Bi2 octahedra. The corner-sharing octahedra tilt angles range from 7–69°. In the thirteenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the fifteenth O2- site, O2- is bonded in a 5-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the sixteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the seventeenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the eighteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the nineteenth O2- site, O2- is bonded in a 5-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the twentieth O2- site, O2- is bonded to two Ba2+ and two Bi+3.20+ atoms to form distorted corner-sharing OBa2Bi2 trigonal pyramids. The corner-sharing octahedral tilt angles are 61°. In the twenty-first O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+ and two Bi+3.20+ atoms. In the twenty-second O2- site, O2- is bonded in a 5-coordinate geometry to four Ba2+ and two Bi+3.20+ atoms. In the twenty-third O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 5-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 3-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms. In the twenty-sixth O2- site, O2- is bonded in a 3-coordinate geometry to three Ba2+ and two Bi+3.20+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NaAl11O17 by Materials Project

NaAl11O17 is beta indium sulfide-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 1-coordinate geometry to four O2- atoms. There are one shorter (2.59 Å) and three longer (2.67 Å) Na–O bond lengths. In the second Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.57–3.04 Å. There are eighteen inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six AlO4 tetrahedra and edges with six AlO6 octahedra. There is three shorter (1.90 Å) and three longer (1.92 Å) Al–O bond length. In the second Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.06 Å. In the third Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with six AlO4 tetrahedra and edges with six AlO6 octahedra. There is three shorter (1.90 Å) and three longer (1.92 Å) Al–O bond length. In the fourth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.06 Å. In the fifth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.05 Å. In the sixth Al3+ site, Al3+ is bonded to four O2- atoms to form corner-sharing AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–58°. All Al–O bond lengths are 1.82 Å. In the seventh Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with six AlO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–56°. There are a spread of Al–O bond distances ranging from 1.70–1.80 Å. In the eighth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with six AlO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–55°. There is one shorter (1.69 Å) and three longer (1.78 Å) Al–O bond length. In the ninth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.83–2.05 Å. In the tenth Al3+ site, Al3+ is bonded to four O2- atoms to form corner-sharing AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–59°. There is three shorter (1.82 Å) and one longer (1.84 Å) Al–O bond length. In the eleventh Al3+ site, Al3+ is bonded to four O2- atoms to form corner-sharing AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–58°. All Al–O bond lengths are 1.82 Å. In the twelfth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.05 Å. In the thirteenth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.05 Å. In the fourteenth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with six AlO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedral tilt angles are 55°. There is one shorter (1.69 Å) and three longer (1.79 Å) Al–O bond length. In the fifteenth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with six AlO6 octahedra and a cornercorner with one AlO4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. There is one shorter (1.69 Å) and three longer (1.78 Å) Al–O bond length. In the sixteenth Al3+ site, Al3+ is bonded to four O2- atoms to form corner-sharing AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–59°. There is three shorter (1.82 Å) and one longer (1.84 Å) Al–O bond length. In the seventeenth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.82–2.06 Å. In the eighteenth Al3+ site, Al3+ is bonded to six O2- atoms to form AlO6 octahedra that share corners with five AlO4 tetrahedra and edges with five AlO6 octahedra. There are a spread of Al–O bond distances ranging from 1.83–2.03 Å. There are twenty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the second O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Al3+ atoms. In the third O2- site, O2- is bonded in a trigonal planar geometry to three Al3+ atoms. In the fourth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the sixth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Al3+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+ and three Al3+ atoms. In the ninth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Al3+ atoms. In the tenth O2- site, O2- is bonded in a linear geometry to two equivalent Na1+ and two Al3+ atoms. In the eleventh O2- site, O2- is bonded in a trigonal planar geometry to three Al3+ atoms. In the twelfth O2- site, O2- is bonded in a trigonal planar geometry to three Al3+ atoms. In the thirteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the fourteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the fifteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the sixteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the seventeenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+ and three Al3+ atoms. In the nineteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+ and three Al3+ atoms. In the twentieth O2- site, O2- is bonded in a linear geometry to two Al3+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted tetrahedral geometry to one Na1+ and three Al3+ atoms. In the twenty-second O2- site, O2- is bonded in a trigonal planar geometry to three Al3+ atoms. In the twenty-third O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the twenty-fourth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the twenty-fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Al3+ atoms. In the twenty-sixth O2- site, O2- is bonded in a distorted tetrahedral geometry to one Na1+ and three Al3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Li2TiO3 by Materials Project

Li2TiO3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are sixteen inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 4-coordinate geometry to one Ti4+ and four O2- atoms. The Li–Ti bond length is 2.24 Å. There are a spread of Li–O bond distances ranging from 2.07–2.27 Å. In the second Li1+ site, Li1+ is bonded to two Ti4+ and six O2- atoms to form distorted LiTi2O6 hexagonal bipyramids that share corners with four equivalent TiLi2O6 hexagonal bipyramids and edges with two equivalent TiLi2O6 hexagonal bipyramids. There are one shorter (2.25 Å) and one longer (2.26 Å) Li–Ti bond lengths. There are a spread of Li–O bond distances ranging from 2.09–2.40 Å. In the third Li1+ site, Li1+ is bonded in a 4-coordinate geometry to one Ti4+ and four O2- atoms. The Li–Ti bond length is 2.22 Å. There are a spread of Li–O bond distances ranging from 2.08–2.24 Å. In the fourth Li1+ site, Li1+ is bonded in a 8-coordinate geometry to two Ti4+ and six O2- atoms. There are one shorter (2.10 Å) and one longer (2.20 Å) Li–Ti bond lengths. There are a spread of Li–O bond distances ranging from 2.01–2.46 Å. In the fifth Li1+ site, Li1+ is bonded in a 8-coordinate geometry to two Ti4+ and six O2- atoms. There are one shorter (2.15 Å) and one longer (2.23 Å) Li–Ti bond lengths. There are a spread of Li–O bond distances ranging from 2.00–2.62 Å. In the sixth Li1+ site, Li1+ is bonded in a distorted square co-planar geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.18–2.23 Å. In the seventh Li1+ site, Li1+ is bonded in a 8-coordinate geometry to two Ti4+ and six O2- atoms. There are one shorter (2.08 Å) and one longer (2.23 Å) Li–Ti bond lengths. There are a spread of Li–O bond distances ranging from 1.99–2.48 Å. In the eighth Li1+ site, Li1+ is bonded in a distorted square co-planar geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.18–2.22 Å. In the ninth Li1+ site, Li1+ is bonded in a distorted square co-planar geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.15–2.24 Å. In the tenth Li1+ site, Li1+ is bonded in a 8-coordinate geometry to two Ti4+ and six O2- atoms. There are one shorter (2.14 Å) and one longer (2.24 Å) Li–Ti bond lengths. There are a spread of Li–O bond distances ranging from 2.00–2.61 Å. In the eleventh Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.14–2.35 Å. In the twelfth Li1+ site, Li1+ is bonded in a distorted square co-planar geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.10–2.18 Å. In the thirteenth Li1+ site, Li1+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.10–2.18 Å. In the fourteenth Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.15–2.34 Å. In the fifteenth Li1+ site, Li1+ is bonded in a distorted square co-planar geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.11–2.16 Å. In the sixteenth Li1+ site, Li1+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.10–2.20 Å. There are eight inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded in a 4-coordinate geometry to one Li1+ and four O2- atoms. There are a spread of Ti–O bond distances ranging from 1.91–2.06 Å. In the second Ti4+ site, Ti4+ is bonded in a 4-coordinate geometry to one Li1+ and four O2- atoms. There are a spread of Ti–O bond distances ranging from 1.90–2.06 Å. In the third Ti4+ site, Ti4+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ti–O bond distances ranging from 1.98–2.27 Å. In the fourth Ti4+ site, Ti4+ is bonded in a distorted square co-planar geometry to two Li1+ and four O2- atoms. There are a spread of Ti–O bond distances ranging from 1.95–2.02 Å. In the fifth Ti4+ site, Ti4+ is bonded to two Li1+ and six O2- atoms to form distorted TiLi2O6 hexagonal bipyramids that share edges with two equivalent LiTi2O6 hexagonal bipyramids and edges with two equivalent TiLi2O6 hexagonal bipyramids. There are a spread of Ti–O bond distances ranging from 1.94–2.39 Å. In the sixth Ti4+ site, Ti4+ is bonded in a 3-coordinate geometry to two Li1+ and five O2- atoms. There are a spread of Ti–O bond distances ranging from 1.73–2.28 Å. In the seventh Ti4+ site, Ti4+ is bonded to two Li1+ and six O2- atoms to form distorted TiLi2O6 hexagonal bipyramids that share corners with four equivalent LiTi2O6 hexagonal bipyramids and edges with two equivalent TiLi2O6 hexagonal bipyramids. There are a spread of Ti–O bond distances ranging from 1.96–2.37 Å. In the eighth Ti4+ site, Ti4+ is bonded in a 3-coordinate geometry to two Li1+ and four O2- atoms. There are a spread of Ti–O bond distances ranging from 1.74–2.19 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and two Ti4+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and one Ti4+ atom. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to four Li1+ and one Ti4+ atom. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two Ti4+ atoms. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Li1+ and two Ti4+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to four Li1+ and one Ti4+ atom. In the seventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two Ti4+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and one Ti4+ atom. In the ninth O2- site, O2- is bonded in a 5-coordinate geometry to three Li1+ and two Ti4+ atoms. In the tenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Li1+ and one Ti4+ atom. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to four Li1+ and one Ti4+ atom. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and two Ti4+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two Ti4+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Li1+ and two Ti4+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to four Li1+ and one Ti4+ atom. In the sixteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two Ti4+ atoms. In the seventeenth O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and two Ti4+ atoms. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to four Li1+ and one Ti4+ atom. In the nineteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and one Ti4+ atom. In the twentieth O2- site, O2- is bonded in a 4-coordinate geometry to four Li1+ and two Ti4+ atoms. In the twenty-first O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and two Ti4+ atoms. In the twenty-second O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and two Ti4+ atoms. In the twenty-third O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and two Ti4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 5-coordinate geometry to three Li1+ and two Ti4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on YbTiCdSbO7 by Materials Project

YbTiCdSbO7 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Yb3+ sites. In the first Yb3+ site, Yb3+ is bonded to eight O2- atoms to form distorted YbO8 hexagonal bipyramids that share edges with two YbO8 hexagonal bipyramids, edges with four CdO8 hexagonal bipyramids, edges with two SbO6 octahedra, and edges with four TiO6 octahedra. There are a spread of Yb–O bond distances ranging from 2.26–2.64 Å. In the second Yb3+ site, Yb3+ is bonded to eight O2- atoms to form distorted YbO8 hexagonal bipyramids that share edges with two YbO8 hexagonal bipyramids, edges with four CdO8 hexagonal bipyramids, edges with two SbO6 octahedra, and edges with four TiO6 octahedra. There are a spread of Yb–O bond distances ranging from 2.26–2.61 Å. In the third Yb3+ site, Yb3+ is bonded to eight O2- atoms to form distorted YbO8 hexagonal bipyramids that share edges with two YbO8 hexagonal bipyramids, edges with four CdO8 hexagonal bipyramids, edges with two SbO6 octahedra, and edges with four TiO6 octahedra. There are a spread of Yb–O bond distances ranging from 2.27–2.63 Å. In the fourth Yb3+ site, Yb3+ is bonded to eight O2- atoms to form distorted YbO8 hexagonal bipyramids that share edges with two YbO8 hexagonal bipyramids, edges with four CdO8 hexagonal bipyramids, edges with two SbO6 octahedra, and edges with four TiO6 octahedra. There are a spread of Yb–O bond distances ranging from 2.27–2.60 Å. There are four inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two TiO6 octahedra, corners with four SbO6 octahedra, edges with two CdO8 hexagonal bipyramids, and edges with four YbO8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 41–48°. There are a spread of Ti–O bond distances ranging from 1.90–2.05 Å. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two TiO6 octahedra, corners with four SbO6 octahedra, edges with two CdO8 hexagonal bipyramids, and edges with four YbO8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 41–48°. There are a spread of Ti–O bond distances ranging from 1.89–2.06 Å. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two TiO6 octahedra, corners with four SbO6 octahedra, edges with two CdO8 hexagonal bipyramids, and edges with four YbO8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 41–48°. There are a spread of Ti–O bond distances ranging from 1.89–2.05 Å. In the fourth Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two TiO6 octahedra, corners with four SbO6 octahedra, edges with two CdO8 hexagonal bipyramids, and edges with four YbO8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 41–47°. There are a spread of Ti–O bond distances ranging from 1.91–2.02 Å. There are four inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded to eight O2- atoms to form distorted CdO8 hexagonal bipyramids that share edges with two CdO8 hexagonal bipyramids, edges with four YbO8 hexagonal bipyramids, edges with two TiO6 octahedra, and edges with four SbO6 octahedra. There are a spread of Cd–O bond distances ranging from 2.20–2.64 Å. In the second Cd2+ site, Cd2+ is bonded to eight O2- atoms to form distorted CdO8 hexagonal bipyramids that share edges with two CdO8 hexagonal bipyramids, edges with four YbO8 hexagonal bipyramids, edges with two TiO6 octahedra, and edges with four SbO6 octahedra. There are a spread of Cd–O bond distances ranging from 2.21–2.62 Å. In the third Cd2+ site, Cd2+ is bonded to eight O2- atoms to form distorted CdO8 hexagonal bipyramids that share edges with two CdO8 hexagonal bipyramids, edges with four YbO8 hexagonal bipyramids, edges with two TiO6 octahedra, and edges with four SbO6 octahedra. There are a spread of Cd–O bond distances ranging from 2.21–2.67 Å. In the fourth Cd2+ site, Cd2+ is bonded to eight O2- atoms to form distorted CdO8 hexagonal bipyramids that share edges with two CdO8 hexagonal bipyramids, edges with four YbO8 hexagonal bipyramids, edges with two TiO6 octahedra, and edges with four SbO6 octahedra. There are a spread of Cd–O bond distances ranging from 2.20–2.63 Å. There are four inequivalent Sb5+ sites. In the first Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two SbO6 octahedra, corners with four TiO6 octahedra, edges with two YbO8 hexagonal bipyramids, and edges with four CdO8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 45–48°. There are four shorter (1.99 Å) and two longer (2.02 Å) Sb–O bond lengths. In the second Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two SbO6 octahedra, corners with four TiO6 octahedra, edges with two YbO8 hexagonal bipyramids, and edges with four CdO8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 45–48°. There are a spread of Sb–O bond distances ranging from 1.99–2.02 Å. In the third Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two SbO6 octahedra, corners with four TiO6 octahedra, edges with two YbO8 hexagonal bipyramids, and edges with four CdO8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 44–48°. There are a spread of Sb–O bond distances ranging from 1.99–2.02 Å. In the fourth Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two SbO6 octahedra, corners with four TiO6 octahedra, edges with two YbO8 hexagonal bipyramids, and edges with four CdO8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 44–48°. There are four shorter (1.99 Å) and two longer (2.01 Å) Sb–O bond lengths. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded to two Yb3+ and two Cd2+ atoms to form corner-sharing OYb2Cd2 tetrahedra. In the second O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the fourth O2- site, O2- is bonded to two Yb3+ and two Cd2+ atoms to form corner-sharing OYb2Cd2 tetrahedra. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Yb3+ and two Ti4+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Yb3+ and two Ti4+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two Yb3+ and two Ti4+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the fourteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the fifteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the sixteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Cd2+ and two Sb5+ atoms. In the seventeenth O2- site, O2- is bonded in a 4-coordinate geometry to two Cd2+ and two Sb5+ atoms. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the nineteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Cd2+ and two Sb5+ atoms. In the twentieth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the twenty-first O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the twenty-second O2- site, O2- is bonded in a 2-coordinate geometry to two Yb3+ and two Ti4+ atoms. In the twenty-third O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the twenty-fourth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the twenty-fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Yb3+, one Ti4+, one Cd2+, and one Sb5+ atom. In the twenty-sixth O2- site, O2- is bonded to two Yb3+ and two Cd2+ atoms to form corner-sharing OYb2Cd2 tetrahedra. In the twenty-seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Cd2+ and two Sb5+ atoms. In the twenty-eighth O2- site, O2- is bonded to two Yb3+ and two Cd2+ atoms to form corner-sharing OYb2Cd2 tetrahedra.

36 MATERIALS SCIENCE↗