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Materials Data on K17In41 by Materials Project

K17In41 is gamma-brass-like structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded in a 3-coordinate geometry to three equivalent K and twelve In atoms. All K–K bond lengths are 4.04 Å. There are a spread of K–In bond distances ranging from 3.49–3.80 Å. In the second K site, K is bonded in a 6-coordinate geometry to four K and twelve In atoms. There are two shorter (3.68 Å) and one longer (4.30 Å) K–K bond lengths. There are a spread of K–In bond distances ranging from 3.72–4.17 Å. In the third K site, K is bonded in a 12-coordinate geometry to twelve equivalent In atoms. All K–In bond lengths are 3.58 Å. There are five inequivalent In sites. In the first In site, In is bonded in a distorted q6 geometry to five K and six In atoms. There are a spread of In–In bond distances ranging from 2.96–3.15 Å. In the second In site, In is bonded in a 11-coordinate geometry to five K and six In atoms. There are a spread of In–In bond distances ranging from 3.07–3.47 Å. In the third In site, In is bonded in a 11-coordinate geometry to five K and six In atoms. Both In–In bond lengths are 3.24 Å. In the fourth In site, In is bonded in a tetrahedral geometry to four equivalent In atoms. All In–In bond lengths are 3.43 Å. In the fifth In site, In is bonded in a 4-coordinate geometry to six equivalent K and seven In atoms.

36 MATERIALS SCIENCE↗

Materials Data on K5Ag(NO)2 by Materials Project

K5Ag(NO)2 is Pb (Zr_0.50 Ti_0.48) O_3-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are ten inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 5-coordinate geometry to two equivalent N1- and two O2- atoms. There are one shorter (3.00 Å) and one longer (3.13 Å) K–N bond lengths. There are one shorter (2.60 Å) and one longer (2.72 Å) K–O bond lengths. In the second K1+ site, K1+ is bonded in a 4-coordinate geometry to two equivalent N1- and two O2- atoms. There are one shorter (3.12 Å) and one longer (3.13 Å) K–N bond lengths. There are one shorter (2.58 Å) and one longer (2.72 Å) K–O bond lengths. In the third K1+ site, K1+ is bonded in a 4-coordinate geometry to two equivalent N1- and two O2- atoms. There are one shorter (3.12 Å) and one longer (3.13 Å) K–N bond lengths. There are one shorter (2.59 Å) and one longer (2.72 Å) K–O bond lengths. In the fourth K1+ site, K1+ is bonded in a 5-coordinate geometry to two equivalent N1- and two O2- atoms. There are one shorter (3.00 Å) and one longer (3.13 Å) K–N bond lengths. There are one shorter (2.59 Å) and one longer (2.73 Å) K–O bond lengths. In the fifth K1+ site, K1+ is bonded in a distorted rectangular see-saw-like geometry to two N1- and two equivalent O2- atoms. There are one shorter (3.01 Å) and one longer (3.14 Å) K–N bond lengths. There are one shorter (2.63 Å) and one longer (2.64 Å) K–O bond lengths. In the sixth K1+ site, K1+ is bonded in a distorted rectangular see-saw-like geometry to two N1- and two equivalent O2- atoms. There are one shorter (2.89 Å) and one longer (3.33 Å) K–N bond lengths. There are one shorter (2.64 Å) and one longer (2.66 Å) K–O bond lengths. In the seventh K1+ site, K1+ is bonded in a distorted rectangular see-saw-like geometry to two N1- and two equivalent O2- atoms. There are one shorter (2.89 Å) and one longer (3.33 Å) K–N bond lengths. There are one shorter (2.64 Å) and one longer (2.66 Å) K–O bond lengths. In the eighth K1+ site, K1+ is bonded in a distorted rectangular see-saw-like geometry to two N1- and two equivalent O2- atoms. There are one shorter (3.01 Å) and one longer (3.14 Å) K–N bond lengths. There are one shorter (2.63 Å) and one longer (2.64 Å) K–O bond lengths. In the ninth K1+ site, K1+ is bonded in a 4-coordinate geometry to two N1- and two O2- atoms. There are one shorter (3.28 Å) and one longer (3.32 Å) K–N bond lengths. Both K–O bond lengths are 2.74 Å. In the tenth K1+ site, K1+ is bonded in a distorted rectangular see-saw-like geometry to two N1- and two O2- atoms. There are one shorter (3.27 Å) and one longer (3.30 Å) K–N bond lengths. Both K–O bond lengths are 2.74 Å. There are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded in a linear geometry to two O2- atoms. Both Ag–O bond lengths are 2.05 Å. In the second Ag1+ site, Ag1+ is bonded in a linear geometry to two O2- atoms. There are one shorter (2.04 Å) and one longer (2.06 Å) Ag–O bond lengths. There are four inequivalent N1- sites. In the first N1- site, N1- is bonded in a 5-coordinate geometry to five K1+ atoms. In the second N1- site, N1- is bonded in a 5-coordinate geometry to five K1+ atoms. In the third N1- site, N1- is bonded in a 5-coordinate geometry to five K1+ atoms. In the fourth N1- site, N1- is bonded in a 5-coordinate geometry to five K1+ atoms. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to five K1+ and one Ag1+ atom to form corner-sharing OK5Ag octahedra. The corner-sharing octahedra tilt angles range from 1–36°. In the second O2- site, O2- is bonded to five K1+ and one Ag1+ atom to form corner-sharing OK5Ag octahedra. The corner-sharing octahedra tilt angles range from 1–36°. In the third O2- site, O2- is bonded to five K1+ and one Ag1+ atom to form corner-sharing OK5Ag octahedra. The corner-sharing octahedra tilt angles range from 1–36°. In the fourth O2- site, O2- is bonded to five K1+ and one Ag1+ atom to form corner-sharing OK5Ag octahedra. The corner-sharing octahedra tilt angles range from 1–36°.

36 MATERIALS SCIENCE↗

Materials Data on K6Al11Si13Ag5O48 by Materials Project

K6Ag5Al11Si13O48 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded in a 2-coordinate geometry to two O atoms. There are one shorter (2.32 Å) and one longer (2.48 Å) K–O bond lengths. In the second K site, K is bonded in a 3-coordinate geometry to five O atoms. There are a spread of K–O bond distances ranging from 2.46–3.17 Å. In the third K site, K is bonded in a 3-coordinate geometry to five O atoms. There are a spread of K–O bond distances ranging from 2.46–3.12 Å. There are three inequivalent Ag sites. In the first Ag site, Ag is bonded in a trigonal planar geometry to three O atoms. There are a spread of Ag–O bond distances ranging from 2.16–2.51 Å. In the second Ag site, Ag is bonded in a distorted trigonal planar geometry to three O atoms. There are one shorter (2.22 Å) and two longer (2.41 Å) Ag–O bond lengths. In the third Ag site, Ag is bonded in a 4-coordinate geometry to four O atoms. There are two shorter (2.42 Å) and two longer (2.52 Å) Ag–O bond lengths. There are eight inequivalent Al sites. In the first Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with two AlO4 tetrahedra and corners with two SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.71–1.83 Å. In the second Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share a cornercorner with one SiO4 tetrahedra and corners with three AlO4 tetrahedra. There is one shorter (1.69 Å) and three longer (1.78 Å) Al–O bond length. In the third Al site, Al is bonded to four O atoms to form corner-sharing AlO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.72–1.78 Å. In the fourth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share a cornercorner with one SiO4 tetrahedra and corners with three AlO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.71–1.78 Å. In the fifth Al site, Al is bonded to four O atoms to form corner-sharing AlO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.71–1.77 Å. In the sixth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with two AlO4 tetrahedra and corners with two SiO4 tetrahedra. There is two shorter (1.73 Å) and two longer (1.82 Å) Al–O bond length. In the seventh Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with two AlO4 tetrahedra and corners with two equivalent SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.67–1.83 Å. In the eighth Al site, Al is bonded to four O atoms to form AlO4 tetrahedra that share corners with two AlO4 tetrahedra and corners with two equivalent SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.67–1.83 Å. There are eight inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one AlO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.60–1.67 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one AlO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.59–1.68 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one AlO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.59–1.69 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one AlO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.68 Å. In the fifth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one AlO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.60–1.67 Å. In the sixth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one AlO4 tetrahedra and corners with three SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.58–1.67 Å. In the seventh Si site, Si is bonded to four O atoms to form corner-sharing SiO4 tetrahedra. There is two shorter (1.61 Å) and two longer (1.67 Å) Si–O bond length. In the eighth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one SiO4 tetrahedra and corners with three AlO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.59–1.68 Å. There are thirty inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the second O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the third O site, O is bonded in a bent 150 degrees geometry to two equivalent Si atoms. In the fourth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the fifth O site, O is bonded in a distorted bent 150 degrees geometry to one Ag and two Si atoms. In the sixth O site, O is bonded in a distorted bent 150 degrees geometry to one Ag and two Si atoms. In the seventh O site, O is bonded in a distorted bent 150 degrees geometry to one Ag and two Si atoms. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to one Ag and two Si atoms. In the ninth O site, O is bonded in a bent 150 degrees geometry to two equivalent Si atoms. In the tenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the eleventh O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the twelfth O site, O is bonded in a linear geometry to one Al and one Si atom. In the thirteenth O site, O is bonded in a linear geometry to two Si atoms. In the fourteenth O site, O is bonded in a 2-coordinate geometry to one Ag, one Al, and one Si atom. In the fifteenth O site, O is bonded in a distorted trigonal planar geometry to one Ag and two Al atoms. In the sixteenth O site, O is bonded in a 2-coordinate geometry to one K and two Al atoms. In the seventeenth O site, O is bonded in a bent 150 degrees geometry to two Al atoms. In the eighteenth O site, O is bonded in a bent 150 degrees geometry to one Al and one Si atom. In the nineteenth O site, O is bonded in a 4-coordinate geometry to one K, one Ag, and two Al atoms. In the twentieth O site, O is bonded to one K, one Ag, and two Al atoms to form distorted edge-sharing OKAl2Ag tetrahedra. In the twenty-first O site, O is bonded in a linear geometry to two equivalent K and two Al atoms. In the twenty-second O site, O is bonded in a 2-coordinate geometry to three K and two Al atoms. In the twenty-third O site, O is bonded in a distorted linear geometry to two equivalent K and two Al atoms. In the twenty-fourth O site, O is bonded in a distorted bent 150 degrees geometry to two equivalent Al atoms. In the twenty-fifth O site, O is bonded in a bent 150 degrees geometry to two Al atoms. In the twenty-sixth O site, O is bonded in a 2-coordinate geometry to one K, one Al, and one Si atom. In the twenty-seventh O site, O is bonded in a distorted bent 150 degrees geometry to one K, one Al, and one Si atom. In the twenty-eighth O site, O is bonded in a distorted bent 150 degrees geometry to one K, one Al, and one Si atom. In the twenty-ninth O site, O is bonded in a 2-coordinate geometry to one K, one Al, and one Si atom. In the thirtieth O site, O is bonded in a bent 150 degrees geometry to two equivalent Si atoms.

36 MATERIALS SCIENCE↗

Materials Data on KVH4O7 by Materials Project

KVH4O7 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of K–O bond distances ranging from 2.79–3.21 Å. In the second K site, K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.72–3.41 Å. There are two inequivalent V sites. In the first V site, V is bonded in a 1-coordinate geometry to seven O atoms. There are a spread of V–O bond distances ranging from 1.64–2.65 Å. In the second V site, V is bonded in a 1-coordinate geometry to seven O atoms. There are a spread of V–O bond distances ranging from 1.62–2.74 Å. There are eight inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the second H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.09 Å) and one longer (1.38 Å) H–O bond length. In the third H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the fourth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the fifth H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the sixth H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.66 Å) H–O bond length. In the seventh H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.97 Å. In the eighth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded in a 1-coordinate geometry to one K, two V, and one O atom. The O–O bond length is 1.47 Å. In the second O site, O is bonded in a 4-coordinate geometry to one K, one V, one H, and one O atom. In the third O site, O is bonded in a 1-coordinate geometry to one K, one V, and one O atom. The O–O bond length is 1.47 Å. In the fourth O site, O is bonded in a 1-coordinate geometry to one K, one V, and one O atom. In the fifth O site, O is bonded in a 2-coordinate geometry to one K, two V, and one O atom. The O–O bond length is 1.47 Å. In the sixth O site, O is bonded in a 1-coordinate geometry to two K, one V, and one O atom. In the seventh O site, O is bonded in a 1-coordinate geometry to two K, two V, and one O atom. The O–O bond length is 1.46 Å. In the eighth O site, O is bonded in a 2-coordinate geometry to one K, one V, one H, and one O atom. In the ninth O site, O is bonded in a single-bond geometry to two K and one V atom. In the tenth O site, O is bonded in a distorted single-bond geometry to one K and one V atom. In the eleventh O site, O is bonded in a distorted trigonal planar geometry to one V and two H atoms. In the twelfth O site, O is bonded in a distorted water-like geometry to one K and two H atoms. In the thirteenth O site, O is bonded in a trigonal non-coplanar geometry to one K and three H atoms. In the fourteenth O site, O is bonded in a water-like geometry to one K and two H atoms.

36 MATERIALS SCIENCE↗

Materials Data on K4Na2H18Pd(IO10)2 by Materials Project

K4Na2PdH18(O10I)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 5-coordinate geometry to three H and seven O atoms. There are a spread of K–H bond distances ranging from 2.79–2.94 Å. There are a spread of K–O bond distances ranging from 2.74–3.31 Å. In the second K site, K is bonded in a 3-coordinate geometry to four O atoms. There are a spread of K–O bond distances ranging from 2.72–2.99 Å. Na is bonded to six O atoms to form distorted NaO6 octahedra that share an edgeedge with one IO6 octahedra. There are a spread of Na–O bond distances ranging from 2.36–2.49 Å. Pd is bonded in a square co-planar geometry to four O atoms. All Pd–O bond lengths are 2.02 Å. There are nine inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.71 Å) H–O bond length. In the second H site, H is bonded in a single-bond geometry to one K and one O atom. The H–O bond length is 0.98 Å. In the third H site, H is bonded in a single-bond geometry to one K and two O atoms. There is one shorter (1.01 Å) and one longer (1.70 Å) H–O bond length. In the fourth H site, H is bonded in a single-bond geometry to one K and one O atom. The H–O bond length is 1.00 Å. In the fifth H site, H is bonded in a single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.76 Å) H–O bond length. In the sixth H site, H is bonded in a single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.77 Å) H–O bond length. In the seventh H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.01 Å) and one longer (1.69 Å) H–O bond length. In the eighth H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.70 Å) H–O bond length. In the ninth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. There are ten inequivalent O sites. In the first O site, O is bonded in a distorted water-like geometry to one K, one Na, and two H atoms. In the second O site, O is bonded in a 1-coordinate geometry to three K, one H, and one I atom. The O–I bond length is 1.86 Å. In the third O site, O is bonded in a 4-coordinate geometry to one K, one Pd, one H, and one I atom. The O–I bond length is 1.97 Å. In the fourth O site, O is bonded in a 2-coordinate geometry to one K, one H, and one I atom. The O–I bond length is 1.89 Å. In the fifth O site, O is bonded in a water-like geometry to one K, one Na, and two H atoms. In the sixth O site, O is bonded in a distorted single-bond geometry to one K, one Na, one H, and one I atom. The O–I bond length is 2.04 Å. In the seventh O site, O is bonded in a distorted water-like geometry to one K, one Na, and two H atoms. In the eighth O site, O is bonded in a 4-coordinate geometry to three H and one I atom. The O–I bond length is 1.88 Å. In the ninth O site, O is bonded to one K, one Na, one Pd, and one I atom to form corner-sharing OKNaPdI tetrahedra. The O–I bond length is 1.96 Å. In the tenth O site, O is bonded in a distorted water-like geometry to one K, one Na, and two H atoms. I is bonded to six O atoms to form IO6 octahedra that share an edgeedge with one NaO6 octahedra.

36 MATERIALS SCIENCE↗

Materials Data on K4Li3Nb18P12(WO42)2 by Materials Project

K4Li3Nb18P12(WO42)2 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are four inequivalent K sites. In the first K site, K is bonded to eight O atoms to form distorted KO8 hexagonal bipyramids that share corners with two equivalent WO6 octahedra, corners with six NbO6 octahedra, and edges with four PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 69–80°. There are a spread of K–O bond distances ranging from 3.16–3.24 Å. In the second K site, K is bonded in a 4-coordinate geometry to four O atoms. There are two shorter (2.83 Å) and two longer (2.84 Å) K–O bond lengths. In the third K site, K is bonded to twelve O atoms to form distorted KO12 cuboctahedra that share edges with eight NbO6 octahedra and edges with four PO4 tetrahedra. There are a spread of K–O bond distances ranging from 3.19–3.39 Å. In the fourth K site, K is bonded in a 6-coordinate geometry to four O atoms. There are two shorter (2.75 Å) and two longer (2.92 Å) K–O bond lengths. There are three inequivalent Li sites. In the first Li site, Li is bonded to five O atoms to form distorted LiO5 trigonal bipyramids that share corners with two equivalent NbO6 octahedra, corners with three PO4 tetrahedra, an edgeedge with one PO4 tetrahedra, and a faceface with one NbO6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are a spread of Li–O bond distances ranging from 2.07–2.21 Å. In the second Li site, Li is bonded to five O atoms to form distorted LiO5 trigonal bipyramids that share corners with two equivalent NbO6 octahedra, corners with three PO4 tetrahedra, an edgeedge with one PO4 tetrahedra, and a faceface with one NbO6 octahedra. The corner-sharing octahedral tilt angles are 51°. There are a spread of Li–O bond distances ranging from 2.07–2.21 Å. In the third Li site, Li is bonded to five O atoms to form distorted LiO5 trigonal bipyramids that share corners with two equivalent NbO6 octahedra, corners with three PO4 tetrahedra, an edgeedge with one PO4 tetrahedra, and a faceface with one NbO6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are a spread of Li–O bond distances ranging from 2.08–2.21 Å. There are eleven inequivalent Nb sites. In the first Nb site, Nb is bonded to six O atoms to form distorted NbO6 octahedra that share corners with two equivalent NbO6 octahedra, corners with four PO4 tetrahedra, and a faceface with one LiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 31°. There are a spread of Nb–O bond distances ranging from 1.84–2.18 Å. In the second Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share a cornercorner with one KO8 hexagonal bipyramid, a cornercorner with one WO6 octahedra, corners with three NbO6 octahedra, and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 22–33°. There are a spread of Nb–O bond distances ranging from 1.91–2.06 Å. In the third Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share a cornercorner with one WO6 octahedra, corners with three NbO6 octahedra, corners with two PO4 tetrahedra, and an edgeedge with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 18–31°. There are a spread of Nb–O bond distances ranging from 1.84–2.18 Å. In the fourth Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share corners with two equivalent NbO6 octahedra, corners with four PO4 tetrahedra, and a faceface with one LiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 33°. There are a spread of Nb–O bond distances ranging from 1.84–2.18 Å. In the fifth Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share corners with four NbO6 octahedra, corners with two PO4 tetrahedra, a cornercorner with one LiO5 trigonal bipyramid, and an edgeedge with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 9–24°. There are a spread of Nb–O bond distances ranging from 1.86–2.21 Å. In the sixth Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share corners with four NbO6 octahedra, corners with two PO4 tetrahedra, a cornercorner with one LiO5 trigonal bipyramid, and an edgeedge with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 12–24°. There are a spread of Nb–O bond distances ranging from 1.85–2.22 Å. In the seventh Nb site, Nb is bonded to six O atoms to form distorted NbO6 octahedra that share corners with two equivalent NbO6 octahedra, corners with four PO4 tetrahedra, and a faceface with one LiO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 33°. There are a spread of Nb–O bond distances ranging from 1.83–2.22 Å. In the eighth Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share corners with four NbO6 octahedra, corners with two PO4 tetrahedra, and an edgeedge with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 22–34°. There are a spread of Nb–O bond distances ranging from 1.87–2.08 Å. In the ninth Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share a cornercorner with one KO8 hexagonal bipyramid, corners with four NbO6 octahedra, and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 22–33°. There are a spread of Nb–O bond distances ranging from 1.86–2.09 Å. In the tenth Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share corners with two equivalent NbO6 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedral tilt angles are 34°. There are a spread of Nb–O bond distances ranging from 1.87–2.13 Å. In the eleventh Nb site, Nb is bonded to six O atoms to form NbO6 octahedra that share a cornercorner with one KO8 hexagonal bipyramid, a cornercorner with one WO6 octahedra, corners with three NbO6 octahedra, corners with two PO4 tetrahedra, and a cornercorner with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 11–23°. There are a spread of Nb–O bond distances ranging from 1.85–2.21 Å. W is bonded to six O atoms to form WO6 octahedra that share a cornercorner with one KO8 hexagonal bipyramid, a cornercorner with one WO6 octahedra, corners with three NbO6 octahedra, and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 10–23°. There are a spread of W–O bond distances ranging from 1.80–2.16 Å. There are eight inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four NbO6 octahedra, a cornercorner with one LiO5 trigonal bipyramid, and an edgeedge with one KO8 hexagonal bipyramid. The corner-sharing octahedra tilt angles range from 30–46°. There are a spread of P–O bond distances ranging from 1.53–1.56 Å. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with two NbO6 octahedra, corners with two equivalent WO6 octahedra, and a cornercorner with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 38–44°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the third P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four NbO6 octahedra, a cornercorner with one LiO5 trigonal bipyramid, and an edgeedge with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 37–46°. There is three shorter (1.55 Å) and one longer (1.56 Å) P–O bond length. In the fourth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four NbO6 octahedra, a cornercorner with one LiO5 trigonal bipyramid, and an edgeedge with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 27–46°. There are a spread of P–O bond distances ranging from 1.52–1.56 Å. In the fifth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four NbO6 octahedra, a cornercorner with one LiO5 trigonal bipyramid, and an edgeedge with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 30–47°. There are a spread of P–O bond distances ranging from 1.52–1.56 Å. In the sixth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four NbO6 octahedra, a cornercorner with one LiO5 trigonal bipyramid, and an edgeedge with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 35–46°. There is one shorter (1.55 Å) and three longer (1.56 Å) P–O bond length. In the seventh P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with four NbO6 octahedra and an edgeedge with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 39–45°. There is three shorter (1.55 Å) and one longer (1.56 Å) P–O bond length. In the eighth P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one WO6 octahedra, corners with three NbO6 octahedra, and an edgeedge with one KO8 hexagonal bipyramid. The corner-sharing octahedra tilt angles range from 32–43°. There is three shorter (1.54 Å) and one longer (1.55 Å) P–O bond length. There are fifty inequivalent O sites. In the first O site, O is bonded in a linear geometry to one Nb and one W atom. In the second O site, O is bonded in a distorted bent 150 degrees geometry to one K, one Nb, and one P atom. In the third O site, O is bonded in a linear geometry to two equivalent W atoms. In the fourth O site, O is bonded in a 1-coordinate geometry to one K, one W, and one P atom. In the fifth O site, O is bonded in a 3-coordinate geometry to one Li, one Nb, and one P atom. In the sixth O site, O is bonded in a 3-coordinate geometry to one Li, one Nb, and one P atom. In the seventh O site, O is bonded in a bent 150 degrees geometry to one Nb and one W atom. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to one K, one Nb, and one P atom. In the ninth O site, O is bonded in a bent 150 degrees geometry to one Nb and one W atom. In the tenth O site, O is bonded in a bent 150 degrees geometry to one Nb and one P atom. In the eleventh O site, O is bonded in a bent 150 degrees geometry to one Nb and one P atom. In the twelfth O site, O is bonded in a bent 150 degrees geometry to two Nb atoms. In the thirteenth O site, O is bonded in a bent 150 degrees geometry to two equivalent Nb atoms. In the fourteenth O site, O is bonded in a bent 150 degrees geometry to two equivalent Nb atoms. In the fifteenth O site, O is bonded in a bent 150 degrees geometry to two Nb atoms. In the sixteenth O site, O is bonded in a bent 150 degrees geometry to one Nb and one P atom. In the seventeenth O site, O is bonded in a bent 150 degrees geometry to one Nb and one P atom. In the eighteenth O site, O is bonded in a bent 150 degrees geometry to two Nb atoms. In the nineteenth O site, O is bonded in a distorted bent 150 degrees geometry to one K, one Nb, and one P atom. In the twentieth O site, O is bonded in a bent 150 degrees geometry to one K and two Nb atoms. In the twenty-first O site, O is bonded in a 3-coordinate geometry to one Li, one Nb, and one P atom. In the twenty-second O site, O is bonded in a 3-coordinate geometry to one Li, one Nb, and one P atom. In the twenty-third O site, O is bonded in a 3-coordinate geometry to one Li, one Nb, and one P atom. In the twenty-fourth O site, O is bonded in a linear geometry to two equivalent Nb atoms. In the twenty-fifth O site, O is bonded in a distorted bent 150 degrees geometry to one K, one Nb, and one P atom. In the twenty-sixth O site, O is bonded in a bent 150 degrees geometry to two Nb atoms. In the twenty-seventh O site, O is bonded in a distorted bent 150 degrees geometry to one K, one Nb, and one P atom. In the twenty-eighth O site, O is bonded in a linear geometry to two equivalent Nb atoms. In the twenty-ninth O site, O is bonded in a 3-coordinate geometry

36 MATERIALS SCIENCE↗

Materials Data on K5Na3Nb7WO20 by Materials Project

K5Na3Nb7WO20 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twenty inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.72–3.15 Å. In the second K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.58–3.10 Å. In the third K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.63–2.88 Å. In the fourth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.76–3.17 Å. In the fifth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.64–3.28 Å. In the sixth K1+ site, K1+ is bonded in a 9-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.57–2.87 Å. In the seventh K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.68–3.17 Å. In the eighth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.71–3.00 Å. In the ninth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.67–3.03 Å. In the tenth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.70–3.40 Å. In the eleventh K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.71–3.25 Å. In the twelfth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.61–3.32 Å. In the thirteenth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.66–3.16 Å. In the fourteenth K1+ site, K1+ is bonded in a distorted q6 geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.71–2.97 Å. In the fifteenth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.74–3.42 Å. In the sixteenth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.65–3.09 Å. In the seventeenth K1+ site, K1+ is bonded in a 9-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.54–2.83 Å. In the eighteenth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.58–3.10 Å. In the nineteenth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.71–3.19 Å. In the twentieth K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.66–3.14 Å. There are twelve inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.36–3.00 Å. In the second Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–2.90 Å. In the third Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.34–3.04 Å. In the fourth Na1+ site, Na1+ is bonded in a 1-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.33–3.07 Å. In the fifth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.45–2.98 Å. In the sixth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.36–2.99 Å. In the seventh Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.45–2.72 Å. In the eighth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.45–2.95 Å. In the ninth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.47–2.76 Å. In the tenth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.44–2.97 Å. In the eleventh Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.98 Å. In the twelfth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.40–2.99 Å. There are twenty-eight inequivalent Nb+4.29+ sites. In the first Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 2–10°. There are a spread of Nb–O bond distances ranging from 2.04–2.21 Å. In the second Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 1–11°. There are a spread of Nb–O bond distances ranging from 2.04–2.19 Å. In the third Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–10°. There are a spread of Nb–O bond distances ranging from 2.06–2.14 Å. In the fourth Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share a cornercorner with one WO6 octahedra, corners with three NbO6 octahedra, and a cornercorner with one NbO4 tetrahedra. The corner-sharing octahedra tilt angles range from 2–3°. There are a spread of Nb–O bond distances ranging from 2.01–2.17 Å. In the fifth Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 3–9°. There are a spread of Nb–O bond distances ranging from 2.05–2.12 Å. In the sixth Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share a cornercorner with one NbO6 octahedra, corners with three WO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 2–4°. There are a spread of Nb–O bond distances ranging from 1.96–2.19 Å. In the seventh Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra, a cornercorner with one NbO4 tetrahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–4°. There are a spread of Nb–O bond distances ranging from 2.03–2.16 Å. In the eighth Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 5–9°. There are a spread of Nb–O bond distances ranging from 2.06–2.15 Å. In the ninth Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share a cornercorner with one NbO6 octahedra, corners with three WO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 2–7°. There are a spread of Nb–O bond distances ranging from 1.95–2.16 Å. In the tenth Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and corners with two NbO4 tetrahedra. The corner-sharing octahedra tilt angles range from 3–11°. There are a spread of Nb–O bond distances ranging from 2.02–2.20 Å. In the eleventh Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share a cornercorner with one NbO6 octahedra, corners with three WO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 1–5°. There are a spread of Nb–O bond distances ranging from 1.97–2.24 Å. In the twelfth Nb+4.29+ site, Nb+4.29+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–10°. There are a spread of Nb–O bond distances ranging from 2.03–2.22 Å. In the thirteenth Nb+4.29+ site, Nb+4.29+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share a cornercorner with one NbO6 octahedra, a cornercorner with one WO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 19–25°. There are a spread of Nb–O bond distances ranging from 1.93–2.02 Å. In the fourteenth Nb+4.29+ site, Nb+4.29+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share corners with two NbO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 22–30°. There are a spread of Nb–O bond distances ranging from 1.91–2.02 Å. In the fifteenth Nb+4.29+ site, Nb+4.29+ is bonded to four O2- atoms to form NbO4 trigonal pyramids that share a cornercorner with one NbO6 octahedra, a cornercorner with one WO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 25–27°. There are a spread of Nb–O bond distances ranging from 1.92–2.03 Å. In the sixteenth Nb+4.29+ site, Nb+4.29+ is bonded to four O2- atoms to form NbO4 trigonal pyramids that share a cornercorner with one NbO6 octahedra, a cornercorner with one WO6 octahedra, and corners with two NbO4 tetrahedra. The corner-sharing octahedra tilt angles range from 32–36°. There are a spread of Nb–O bond distances ranging from 1.88–2.04 Å. In the seventeenth Nb+4.29+ site, Nb+4.29+ is bonded to four O2- atoms to form distorted NbO4 tetrahedra that share a cornercorner with one NbO6 octahedra, a cornercorner with one WO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 19–20°. There are a spread of Nb–O bond distances ranging from 1.91–1.98 Å. In the eighteenth Nb+4.29+ site, Nb+4.29+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share corners with two NbO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 24–41°. There are a spread of Nb–O bond distances ranging from 1.90–2.02 Å. In the nineteenth Nb+4.29+ site, Nb+4.29+ is bonded in a see-saw-like geometry to four O2- atoms. There are a spread of Nb–O bond distances ranging from 1.92–2.00 Å. In the twentieth Nb+4.29+ site, Nb+4.29+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share corners with two NbO6 octahedra and corners with two NbO4 tetrahedra. The corner-sharing octahedra tilt angles range from 14–31°. There are a spread of Nb–O bond distances ranging from 1.91–2.01 Å. In the twenty-first Nb+4.29+ site, Nb+4.29+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share corners with two NbO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 18–26°. There are a spread of Nb–O bond distances ranging from 1.95–2.00 Å. In the twenty-second Nb+4.29+ site, N

36 MATERIALS SCIENCE↗

Materials Data on K5Bi4 by Materials Project

K5Bi4 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are five inequivalent K sites. In the first K site, K is bonded in a 6-coordinate geometry to six Bi atoms. There are a spread of K–Bi bond distances ranging from 3.83–3.88 Å. In the second K site, K is bonded in a 6-coordinate geometry to six Bi atoms. There are a spread of K–Bi bond distances ranging from 3.80–3.93 Å. In the third K site, K is bonded in a 7-coordinate geometry to seven Bi atoms. There are a spread of K–Bi bond distances ranging from 3.75–3.88 Å. In the fourth K site, K is bonded in a 7-coordinate geometry to seven Bi atoms. There are a spread of K–Bi bond distances ranging from 3.77–3.87 Å. In the fifth K site, K is bonded in a distorted square co-planar geometry to four Bi atoms. There are two shorter (3.61 Å) and two longer (3.64 Å) K–Bi bond lengths. There are four inequivalent Bi sites. In the first Bi site, Bi is bonded in a 9-coordinate geometry to eight K and one Bi atom. The Bi–Bi bond length is 3.01 Å. In the second Bi site, Bi is bonded in a 9-coordinate geometry to eight K and one Bi atom. The Bi–Bi bond length is 3.01 Å. In the third Bi site, Bi is bonded in a 9-coordinate geometry to seven K and two Bi atoms. The Bi–Bi bond length is 3.04 Å. In the fourth Bi site, Bi is bonded in a 9-coordinate geometry to seven K and two Bi atoms.

36 MATERIALS SCIENCE↗

Materials Data on K5Na3Ta2Nb6O20 by Materials Project

K5Na3Ta2Nb6O20 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twenty inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.81–3.02 Å. In the second K1+ site, K1+ is bonded in a distorted q6 geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.75–2.97 Å. In the third K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.58–3.12 Å. In the fourth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.71–3.00 Å. In the fifth K1+ site, K1+ is bonded in a 10-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.64–3.14 Å. In the sixth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.76–3.02 Å. In the seventh K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.66–3.04 Å. In the eighth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.78–3.09 Å. In the ninth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.67–2.97 Å. In the tenth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.73–3.05 Å. In the eleventh K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.66–3.12 Å. In the twelfth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.58–3.05 Å. In the thirteenth K1+ site, K1+ is bonded in a distorted q6 geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.76–2.96 Å. In the fourteenth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.82–2.99 Å. In the fifteenth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.70–3.02 Å. In the sixteenth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.80–3.12 Å. In the seventeenth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.74–2.98 Å. In the eighteenth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.54–2.98 Å. In the nineteenth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.77–3.04 Å. In the twentieth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.65–3.21 Å. There are twelve inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.37–2.96 Å. In the second Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.30–2.91 Å. In the third Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.37–3.02 Å. In the fourth Na1+ site, Na1+ is bonded in a 1-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–3.08 Å. In the fifth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.41–2.92 Å. In the sixth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.40–2.96 Å. In the seventh Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.46–2.67 Å. In the eighth Na1+ site, Na1+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.52–3.06 Å. In the ninth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.48–2.72 Å. In the tenth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.45–2.95 Å. In the eleventh Na1+ site, Na1+ is bonded in a 1-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–2.93 Å. In the twelfth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.43–2.98 Å. There are eight inequivalent Ta4+ sites. In the first Ta4+ site, Ta4+ is bonded to six O2- atoms to form TaO6 octahedra that share a cornercorner with one NbO6 octahedra, corners with three TaO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 4–9°. There are a spread of Ta–O bond distances ranging from 1.95–2.27 Å. In the second Ta4+ site, Ta4+ is bonded to six O2- atoms to form TaO6 octahedra that share a cornercorner with one NbO6 octahedra, corners with three TaO6 octahedra, a cornercorner with one NbO4 tetrahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–11°. There are a spread of Ta–O bond distances ranging from 1.99–2.10 Å. In the third Ta4+ site, Ta4+ is bonded to six O2- atoms to form TaO6 octahedra that share a cornercorner with one NbO6 octahedra, corners with three TaO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Ta–O bond distances ranging from 1.92–2.23 Å. In the fourth Ta4+ site, Ta4+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four NbO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–12°. There are a spread of Ta–O bond distances ranging from 2.00–2.10 Å. In the fifth Ta4+ site, Ta4+ is bonded to six O2- atoms to form TaO6 octahedra that share a cornercorner with one NbO6 octahedra, corners with three TaO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of Ta–O bond distances ranging from 1.96–2.10 Å. In the sixth Ta4+ site, Ta4+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 4–7°. There are a spread of Ta–O bond distances ranging from 1.98–2.12 Å. In the seventh Ta4+ site, Ta4+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–11°. There are a spread of Ta–O bond distances ranging from 1.92–2.21 Å. In the eighth Ta4+ site, Ta4+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 0–8°. There are a spread of Ta–O bond distances ranging from 1.99–2.12 Å. There are twenty-four inequivalent Nb4+ sites. In the first Nb4+ site, Nb4+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 1–10°. There are a spread of Nb–O bond distances ranging from 2.00–2.14 Å. In the second Nb4+ site, Nb4+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Nb–O bond distances ranging from 2.04–2.22 Å. In the third Nb4+ site, Nb4+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four NbO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–8°. There are a spread of Nb–O bond distances ranging from 2.03–2.12 Å. In the fourth Nb4+ site, Nb4+ is bonded to six O2- atoms to form NbO6 octahedra that share a cornercorner with one TaO6 octahedra, corners with three NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–4°. There are a spread of Nb–O bond distances ranging from 1.99–2.12 Å. In the fifth Nb4+ site, Nb4+ is bonded to six O2- atoms to form NbO6 octahedra that share a cornercorner with one TaO6 octahedra, corners with three NbO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 2–10°. There are a spread of Nb–O bond distances ranging from 2.02–2.21 Å. In the sixth Nb4+ site, Nb4+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Nb–O bond distances ranging from 1.97–2.19 Å. In the seventh Nb4+ site, Nb4+ is bonded to six O2- atoms to form NbO6 octahedra that share a cornercorner with one TaO6 octahedra, corners with three NbO6 octahedra, and a cornercorner with one NbO4 tetrahedra. The corner-sharing octahedra tilt angles range from 2–9°. There are a spread of Nb–O bond distances ranging from 2.02–2.14 Å. In the eighth Nb4+ site, Nb4+ is bonded to six O2- atoms to form NbO6 octahedra that share a cornercorner with one TaO6 octahedra, corners with three NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–12°. There are a spread of Nb–O bond distances ranging from 2.00–2.26 Å. In the ninth Nb4+ site, Nb4+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Nb–O bond distances ranging from 1.95–2.11 Å. In the tenth Nb4+ site, Nb4+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share a cornercorner with one TaO6 octahedra, a cornercorner with one NbO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 17–29°. There are a spread of Nb–O bond distances ranging from 1.91–2.03 Å. In the eleventh Nb4+ site, Nb4+ is bonded to four O2- atoms to form NbO4 trigonal pyramids that share a cornercorner with one TaO6 octahedra and a cornercorner with one NbO6 octahedra. The corner-sharing octahedra tilt angles range from 12–18°. There are a spread of Nb–O bond distances ranging from 1.96–2.09 Å. In the twelfth Nb4+ site, Nb4+ is bonded to four O2- atoms to form NbO4 trigonal pyramids that share a cornercorner with one TaO6 octahedra, a cornercorner with one NbO6 octahedra, a cornercorner with one NbO4 tetrahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 27–35°. There are a spread of Nb–O bond distances ranging from 1.90–2.02 Å. In the thirteenth Nb4+ site, Nb4+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Nb–O bond distances ranging from 1.92–2.07 Å. In the fourteenth Nb4+ site, Nb4+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share a cornercorner with one TaO6 octahedra, a cornercorner with one NbO6 octahedra, and corners wit

36 MATERIALS SCIENCE↗

Materials Data on K5Na3Ta3Nb5O20 by Materials Project

K5Na3Ta3Nb5O20 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twenty inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.82–3.00 Å. In the second K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.81–3.18 Å. In the third K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.58–3.03 Å. In the fourth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.82–2.97 Å. In the fifth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.64–3.15 Å. In the sixth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.73–3.00 Å. In the seventh K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.66–3.09 Å. In the eighth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.78–2.97 Å. In the ninth K1+ site, K1+ is bonded in a distorted q6 geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.69–2.95 Å. In the tenth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.73–3.03 Å. In the eleventh K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.66–3.12 Å. In the twelfth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.74–2.94 Å. In the thirteenth K1+ site, K1+ is bonded in a distorted q6 geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.78–2.93 Å. In the fourteenth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.81–2.93 Å. In the fifteenth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.72–2.99 Å. In the sixteenth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.78–3.00 Å. In the seventeenth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.76–3.13 Å. In the eighteenth K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.53–2.99 Å. In the nineteenth K1+ site, K1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.79–3.03 Å. In the twentieth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.65–3.27 Å. There are twelve inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.38–2.94 Å. In the second Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.31–2.86 Å. In the third Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.37–3.03 Å. In the fourth Na1+ site, Na1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Na–O bond distances ranging from 2.65–3.09 Å. In the fifth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.40–2.91 Å. In the sixth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.38–2.96 Å. In the seventh Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.45–2.68 Å. In the eighth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.48–2.88 Å. In the ninth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.48–2.73 Å. In the tenth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.42–2.92 Å. In the eleventh Na1+ site, Na1+ is bonded in a 1-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.33–3.07 Å. In the twelfth Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.45–2.98 Å. There are twelve inequivalent Ta+4.33+ sites. In the first Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–10°. There are a spread of Ta–O bond distances ranging from 1.93–2.27 Å. In the second Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–11°. There are a spread of Ta–O bond distances ranging from 1.95–2.12 Å. In the third Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–10°. There are a spread of Ta–O bond distances ranging from 1.92–2.27 Å. In the fourth Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two TaO6 octahedra, corners with two NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–14°. There are a spread of Ta–O bond distances ranging from 1.96–2.16 Å. In the fifth Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–5°. There are a spread of Ta–O bond distances ranging from 1.95–2.12 Å. In the sixth Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two TaO6 octahedra, corners with two NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–10°. There are a spread of Ta–O bond distances ranging from 1.99–2.07 Å. In the seventh Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–10°. There are a spread of Ta–O bond distances ranging from 1.94–2.16 Å. In the eighth Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–11°. There are a spread of Ta–O bond distances ranging from 1.94–2.16 Å. In the ninth Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two TaO6 octahedra, corners with two NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–13°. There are a spread of Ta–O bond distances ranging from 1.95–2.19 Å. In the tenth Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–10°. There are a spread of Ta–O bond distances ranging from 1.93–2.16 Å. In the eleventh Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two TaO6 octahedra, corners with two NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–11°. There are a spread of Ta–O bond distances ranging from 1.97–2.10 Å. In the twelfth Ta+4.33+ site, Ta+4.33+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with four TaO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Ta–O bond distances ranging from 1.97–2.13 Å. There are twenty inequivalent Nb+3.80+ sites. In the first Nb+3.80+ site, Nb+3.80+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with two TaO6 octahedra, corners with two NbO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 1–13°. There are a spread of Nb–O bond distances ranging from 2.00–2.16 Å. In the second Nb+3.80+ site, Nb+3.80+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with two TaO6 octahedra, corners with two NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–11°. There are a spread of Nb–O bond distances ranging from 2.03–2.20 Å. In the third Nb+3.80+ site, Nb+3.80+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with two TaO6 octahedra, corners with two NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–5°. There are a spread of Nb–O bond distances ranging from 2.00–2.12 Å. In the fourth Nb+3.80+ site, Nb+3.80+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with two TaO6 octahedra, corners with two NbO6 octahedra, and a cornercorner with one NbO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–14°. There are a spread of Nb–O bond distances ranging from 2.00–2.26 Å. In the fifth Nb+3.80+ site, Nb+3.80+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Nb–O bond distances ranging from 1.94–2.13 Å. In the sixth Nb+3.80+ site, Nb+3.80+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share a cornercorner with one TaO6 octahedra, a cornercorner with one NbO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 20–30°. There are a spread of Nb–O bond distances ranging from 1.91–2.02 Å. In the seventh Nb+3.80+ site, Nb+3.80+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Nb–O bond distances ranging from 1.97–2.09 Å. In the eighth Nb+3.80+ site, Nb+3.80+ is bonded to four O2- atoms to form NbO4 trigonal pyramids that share a cornercorner with one TaO6 octahedra, a cornercorner with one NbO6 octahedra, and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 27–34°. There are a spread of Nb–O bond distances ranging from 1.91–2.02 Å. In the ninth Nb+3.80+ site, Nb+3.80+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Nb–O bond distances ranging from 1.93–2.09 Å. In the tenth Nb+3.80+ site, Nb+3.80+ is bonded to four O2- atoms to form distorted NbO4 trigonal pyramids that share corners with two TaO6 octahedra and corners with two NbO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 20–35°. There are a spread of Nb–O bond distances ranging from 1.91–2.01 Å. In the eleventh Nb+3.80+ site, Nb+3

36 MATERIALS SCIENCE↗

Materials Data on K2ZrS2(O5F)2 by Materials Project

K2ZrS2(O5F)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 9-coordinate geometry to eight O and one F atom. There are a spread of K–O bond distances ranging from 2.73–3.00 Å. The K–F bond length is 2.97 Å. In the second K site, K is bonded in a 8-coordinate geometry to six O and two F atoms. There are a spread of K–O bond distances ranging from 2.88–3.08 Å. There are one shorter (2.67 Å) and one longer (2.86 Å) K–F bond lengths. Zr is bonded in a 8-coordinate geometry to six O and two F atoms. There are a spread of Zr–O bond distances ranging from 2.19–2.30 Å. There are one shorter (2.02 Å) and one longer (2.04 Å) Zr–F bond lengths. There are two inequivalent S sites. In the first S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.45–1.56 Å. In the second S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.46–1.52 Å. There are ten inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one K and one S atom. In the second O site, O is bonded in a 2-coordinate geometry to one K, one Zr, and one S atom. In the third O site, O is bonded in a 1-coordinate geometry to one K, one Zr, and one S atom. In the fourth O site, O is bonded in a distorted single-bond geometry to three K and one S atom. In the fifth O site, O is bonded in a distorted single-bond geometry to two equivalent K and one S atom. In the sixth O site, O is bonded in a 1-coordinate geometry to two equivalent K, one Zr, and one S atom. In the seventh O site, O is bonded in a single-bond geometry to one Zr atom. In the eighth O site, O is bonded in a 4-coordinate geometry to two K, one Zr, and one S atom. In the ninth O site, O is bonded in a distorted bent 120 degrees geometry to one K and one Zr atom. In the tenth O site, O is bonded in a distorted single-bond geometry to one K and one S atom. There are two inequivalent F sites. In the first F site, F is bonded in a bent 120 degrees geometry to one K and one Zr atom. In the second F site, F is bonded in a 1-coordinate geometry to two K and one Zr atom.

36 MATERIALS SCIENCE↗

Materials Data on K3NaP2O11 by Materials Project

K3NaP2O11 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded to five O atoms to form distorted KO5 square pyramids that share corners with two equivalent KO5 square pyramids, corners with two equivalent NaO5 square pyramids, corners with two PO4 tetrahedra, and an edgeedge with one NaO5 square pyramid. There are a spread of K–O bond distances ranging from 2.70–2.96 Å. In the second K site, K is bonded in a 7-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.65–3.17 Å. In the third K site, K is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.59–3.00 Å. Na is bonded to five O atoms to form distorted NaO5 square pyramids that share corners with two equivalent KO5 square pyramids, corners with four PO4 tetrahedra, and an edgeedge with one KO5 square pyramid. There are a spread of Na–O bond distances ranging from 2.27–2.58 Å. There are two inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one KO5 square pyramid, corners with two equivalent NaO5 square pyramids, and a cornercorner with one PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.52–1.66 Å. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one KO5 square pyramid, corners with two equivalent NaO5 square pyramids, and a cornercorner with one PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.53–1.67 Å. There are eleven inequivalent O sites. In the first O site, O is bonded in a 1-coordinate geometry to one K, one Na, and one P atom. In the second O site, O is bonded in a 3-coordinate geometry to three K atoms. In the third O site, O is bonded in a 2-coordinate geometry to one K and two P atoms. In the fourth O site, O is bonded in a 4-coordinate geometry to two K, one Na, and one P atom. In the fifth O site, O is bonded in a 1-coordinate geometry to one K, one Na, and one P atom. In the sixth O site, O is bonded in a 4-coordinate geometry to three K and one O atom. The O–O bond length is 1.25 Å. In the seventh O site, O is bonded in a single-bond geometry to one P atom. In the eighth O site, O is bonded in a T-shaped geometry to two equivalent K and one Na atom. In the ninth O site, O is bonded in a distorted single-bond geometry to three K and one P atom. In the tenth O site, O is bonded in a 4-coordinate geometry to three K and one O atom. In the eleventh O site, O is bonded in a 4-coordinate geometry to two K, one Na, and one P atom.

36 MATERIALS SCIENCE↗

Materials Data on K5C4Br by Materials Project

K5C4Br is Caswellsilverite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are ten inequivalent K1+ sites. In the first K1+ site, K1+ is bonded to five C1- and one Br1- atom to form a mixture of edge and corner-sharing KC5Br octahedra. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of K–C bond distances ranging from 3.01–3.19 Å. The K–Br bond length is 3.30 Å. In the second K1+ site, K1+ is bonded to five C1- and one Br1- atom to form a mixture of edge and corner-sharing KC5Br octahedra. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of K–C bond distances ranging from 3.01–3.18 Å. The K–Br bond length is 3.29 Å. In the third K1+ site, K1+ is bonded to five C1- and one Br1- atom to form a mixture of edge and corner-sharing KC5Br octahedra. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of K–C bond distances ranging from 3.01–3.20 Å. The K–Br bond length is 3.28 Å. In the fourth K1+ site, K1+ is bonded to five C1- and one Br1- atom to form a mixture of edge and corner-sharing KC5Br octahedra. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of K–C bond distances ranging from 3.02–3.18 Å. The K–Br bond length is 3.26 Å. In the fifth K1+ site, K1+ is bonded to four C1- and two Br1- atoms to form a mixture of edge and corner-sharing KC4Br2 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of K–C bond distances ranging from 3.15–3.18 Å. Both K–Br bond lengths are 3.17 Å. In the sixth K1+ site, K1+ is bonded to five C1- and one Br1- atom to form a mixture of edge and corner-sharing KC5Br octahedra. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of K–C bond distances ranging from 3.02–3.17 Å. The K–Br bond length is 3.30 Å. In the seventh K1+ site, K1+ is bonded to five C1- and one Br1- atom to form a mixture of edge and corner-sharing KC5Br octahedra. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of K–C bond distances ranging from 3.02–3.19 Å. The K–Br bond length is 3.28 Å. In the eighth K1+ site, K1+ is bonded to five C1- and one Br1- atom to form a mixture of edge and corner-sharing KC5Br octahedra. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of K–C bond distances ranging from 3.01–3.17 Å. The K–Br bond length is 3.28 Å. In the ninth K1+ site, K1+ is bonded to five C1- and one Br1- atom to form a mixture of edge and corner-sharing KC5Br octahedra. The corner-sharing octahedra tilt angles range from 0–5°. There are a spread of K–C bond distances ranging from 3.01–3.17 Å. The K–Br bond length is 3.27 Å. In the tenth K1+ site, K1+ is bonded to four C1- and two Br1- atoms to form a mixture of edge and corner-sharing KC4Br2 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of K–C bond distances ranging from 3.15–3.18 Å. Both K–Br bond lengths are 3.17 Å. There are eight inequivalent C1- sites. In the first C1- site, C1- is bonded to six K1+ atoms to form CK6 octahedra that share a cornercorner with one BrK6 octahedra, corners with five CK6 octahedra, edges with three BrK6 octahedra, and edges with nine CK6 octahedra. The corner-sharing octahedra tilt angles range from 0–6°. In the second C1- site, C1- is bonded to six K1+ atoms to form CK6 octahedra that share a cornercorner with one BrK6 octahedra, corners with five CK6 octahedra, edges with three BrK6 octahedra, and edges with nine CK6 octahedra. The corner-sharing octahedra tilt angles range from 1–7°. In the third C1- site, C1- is bonded to six K1+ atoms to form CK6 octahedra that share a cornercorner with one BrK6 octahedra, corners with five CK6 octahedra, edges with three BrK6 octahedra, and edges with nine CK6 octahedra. The corner-sharing octahedra tilt angles range from 1–6°. In the fourth C1- site, C1- is bonded to six K1+ atoms to form CK6 octahedra that share a cornercorner with one BrK6 octahedra, corners with five CK6 octahedra, edges with three BrK6 octahedra, and edges with nine CK6 octahedra. The corner-sharing octahedra tilt angles range from 0–7°. In the fifth C1- site, C1- is bonded to six K1+ atoms to form CK6 octahedra that share a cornercorner with one BrK6 octahedra, corners with five CK6 octahedra, edges with three BrK6 octahedra, and edges with nine CK6 octahedra. The corner-sharing octahedra tilt angles range from 1–7°. In the sixth C1- site, C1- is bonded to six K1+ atoms to form CK6 octahedra that share a cornercorner with one BrK6 octahedra, corners with five CK6 octahedra, edges with three BrK6 octahedra, and edges with nine CK6 octahedra. The corner-sharing octahedra tilt angles range from 1–6°. In the seventh C1- site, C1- is bonded to six K1+ atoms to form CK6 octahedra that share a cornercorner with one BrK6 octahedra, corners with five CK6 octahedra, edges with three BrK6 octahedra, and edges with nine CK6 octahedra. The corner-sharing octahedra tilt angles range from 0–6°. In the eighth C1- site, C1- is bonded to six K1+ atoms to form CK6 octahedra that share a cornercorner with one BrK6 octahedra, corners with five CK6 octahedra, edges with three BrK6 octahedra, and edges with nine CK6 octahedra. The corner-sharing octahedra tilt angles range from 0–7°. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded to six K1+ atoms to form BrK6 octahedra that share corners with two equivalent BrK6 octahedra, corners with four CK6 octahedra, and edges with twelve CK6 octahedra. The corner-sharing octahedra tilt angles range from 0–3°. In the second Br1- site, Br1- is bonded to six K1+ atoms to form BrK6 octahedra that share corners with two equivalent BrK6 octahedra, corners with four CK6 octahedra, and edges with twelve CK6 octahedra. The corner-sharing octahedra tilt angles range from 0–3°.

36 MATERIALS SCIENCE↗

Materials Data on K3B3O10 by Materials Project

K3B3O10 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.76–3.18 Å. In the second K site, K is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of K–O bond distances ranging from 2.72–3.27 Å. In the third K site, K is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of K–O bond distances ranging from 2.75–3.30 Å. There are three inequivalent B sites. In the first B site, B is bonded in a tetrahedral geometry to four O atoms. There is three shorter (1.45 Å) and one longer (1.47 Å) B–O bond length. In the second B site, B is bonded in a trigonal planar geometry to three O atoms. There are a spread of B–O bond distances ranging from 1.35–1.41 Å. In the third B site, B is bonded in a trigonal planar geometry to three O atoms. There is two shorter (1.35 Å) and one longer (1.42 Å) B–O bond length. There are ten inequivalent O sites. In the first O site, O is bonded in a distorted single-bond geometry to two equivalent K and one B atom. In the second O site, O is bonded in a distorted bent 120 degrees geometry to two K and two B atoms. In the third O site, O is bonded in a distorted single-bond geometry to two K and one B atom. In the fourth O site, O is bonded in a bent 120 degrees geometry to one K and two B atoms. In the fifth O site, O is bonded in a 2-coordinate geometry to three K and one O atom. The O–O bond length is 1.23 Å. In the sixth O site, O is bonded in a distorted single-bond geometry to three K and one B atom. In the seventh O site, O is bonded in a distorted single-bond geometry to three K and one B atom. In the eighth O site, O is bonded in a single-bond geometry to three K and one B atom. In the ninth O site, O is bonded in a 2-coordinate geometry to three K and one O atom. In the tenth O site, O is bonded in a distorted single-bond geometry to three K and one B atom.

36 MATERIALS SCIENCE↗

Materials Data on K3B3O10 by Materials Project

K3B3O10 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded in a 12-coordinate geometry to ten O atoms. There are a spread of K–O bond distances ranging from 2.64–3.08 Å. In the second K site, K is bonded to eight O atoms to form distorted KO8 hexagonal bipyramids that share corners with two BO4 tetrahedra, edges with four KO8 hexagonal bipyramids, and edges with two BO4 tetrahedra. There are a spread of K–O bond distances ranging from 2.70–3.23 Å. In the third K site, K is bonded to eight O atoms to form distorted KO8 hexagonal bipyramids that share corners with two BO4 tetrahedra, edges with four KO8 hexagonal bipyramids, and edges with two BO4 tetrahedra. There are a spread of K–O bond distances ranging from 2.71–3.24 Å. There are three inequivalent B sites. In the first B site, B is bonded to four O atoms to form BO4 tetrahedra that share corners with two KO8 hexagonal bipyramids, a cornercorner with one BO4 tetrahedra, and edges with two KO8 hexagonal bipyramids. There are a spread of B–O bond distances ranging from 1.44–1.48 Å. In the second B site, B is bonded to four O atoms to form BO4 tetrahedra that share corners with two KO8 hexagonal bipyramids, a cornercorner with one BO4 tetrahedra, and edges with two KO8 hexagonal bipyramids. There are a spread of B–O bond distances ranging from 1.43–1.48 Å. In the third B site, B is bonded in a trigonal planar geometry to three O atoms. There is one shorter (1.37 Å) and two longer (1.40 Å) B–O bond length. There are ten inequivalent O sites. In the first O site, O is bonded in a distorted single-bond geometry to three K and one B atom. In the second O site, O is bonded in a distorted bent 120 degrees geometry to two equivalent K and two B atoms. In the third O site, O is bonded in a distorted single-bond geometry to three K and one B atom. In the fourth O site, O is bonded in a distorted single-bond geometry to three K and one B atom. In the fifth O site, O is bonded in a distorted T-shaped geometry to three K atoms. In the sixth O site, O is bonded in a distorted bent 120 degrees geometry to two K and two B atoms. In the seventh O site, O is bonded in a distorted single-bond geometry to two equivalent K and one B atom. In the eighth O site, O is bonded in a distorted bent 120 degrees geometry to two K and two B atoms. In the ninth O site, O is bonded in a distorted T-shaped geometry to three K atoms. In the tenth O site, O is bonded in a distorted single-bond geometry to three K and one B atom.

36 MATERIALS SCIENCE↗

Materials Data on K3GaTe2O11 by Materials Project

K3GaTe2O11 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.71–3.11 Å. In the second K site, K is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of K–O bond distances ranging from 2.72–3.07 Å. In the third K site, K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.80–3.13 Å. Ga is bonded to four O atoms to form GaO4 tetrahedra that share corners with four TeO6 octahedra. The corner-sharing octahedra tilt angles range from 59–62°. There are a spread of Ga–O bond distances ranging from 1.85–1.87 Å. There are two inequivalent Te sites. In the first Te site, Te is bonded to six O atoms to form TeO6 octahedra that share corners with two equivalent GaO4 tetrahedra and an edgeedge with one TeO6 octahedra. There are a spread of Te–O bond distances ranging from 1.92–2.03 Å. In the second Te site, Te is bonded to six O atoms to form TeO6 octahedra that share corners with two equivalent GaO4 tetrahedra and an edgeedge with one TeO6 octahedra. There are a spread of Te–O bond distances ranging from 1.92–2.05 Å. There are eleven inequivalent O sites. In the first O site, O is bonded in a 4-coordinate geometry to four K atoms. In the second O site, O is bonded in a 2-coordinate geometry to two equivalent K and two equivalent Te atoms. In the third O site, O is bonded in a distorted single-bond geometry to two K and one Te atom. In the fourth O site, O is bonded in a bent 120 degrees geometry to one Ga and one Te atom. In the fifth O site, O is bonded in a distorted tetrahedral geometry to two K, one Ga, and one Te atom. In the sixth O site, O is bonded in a 1-coordinate geometry to two K and one Te atom. In the seventh O site, O is bonded in a distorted water-like geometry to two K and two equivalent Te atoms. In the eighth O site, O is bonded in a 4-coordinate geometry to two K, one Ga, and one Te atom. In the ninth O site, O is bonded in a 4-coordinate geometry to three K and one Te atom. In the tenth O site, O is bonded in a distorted trigonal non-coplanar geometry to one K, one Ga, and one Te atom. In the eleventh O site, O is bonded in a 4-coordinate geometry to three K and one Te atom.

36 MATERIALS SCIENCE↗

Materials Data on K5La2 by Materials Project

K5La2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded in a 12-coordinate geometry to six K and six equivalent La atoms. There are a spread of K–K bond distances ranging from 4.16–4.69 Å. There are a spread of K–La bond distances ranging from 4.25–4.79 Å. In the second K site, K is bonded in a 10-coordinate geometry to eight K and two equivalent La atoms. There are a spread of K–K bond distances ranging from 4.20–4.58 Å. Both K–La bond lengths are 4.81 Å. In the third K site, K is bonded in a 9-coordinate geometry to six K and three equivalent La atoms. The K–K bond length is 4.21 Å. There are a spread of K–La bond distances ranging from 4.35–4.61 Å. La is bonded in a 1-coordinate geometry to ten K and one La atom. The La–La bond length is 2.91 Å.

36 MATERIALS SCIENCE↗

Materials Data on K3P3O10 by Materials Project

K3P3O10 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent K sites. In the first K site, K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.68–3.07 Å. In the second K site, K is bonded in a 5-coordinate geometry to six O atoms. There are a spread of K–O bond distances ranging from 2.62–3.21 Å. In the third K site, K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.71–3.34 Å. There are three inequivalent P sites. In the first P site, P is bonded in a bent 120 degrees geometry to two O atoms. Both P–O bond lengths are 1.51 Å. In the second P site, P is bonded in a bent 120 degrees geometry to two O atoms. There is one shorter (1.50 Å) and one longer (1.51 Å) P–O bond length. In the third P site, P is bonded in a bent 120 degrees geometry to two O atoms. Both P–O bond lengths are 1.50 Å. There are ten inequivalent O sites. In the first O site, O is bonded in a distorted T-shaped geometry to two K and one O atom. The O–O bond length is 1.33 Å. In the second O site, O is bonded in a distorted single-bond geometry to one K and one P atom. In the third O site, O is bonded in a distorted single-bond geometry to three K and one P atom. In the fourth O site, O is bonded in a distorted single-bond geometry to two K and one P atom. In the fifth O site, O is bonded in a bent 150 degrees geometry to two K atoms. In the sixth O site, O is bonded in a distorted single-bond geometry to three K and one P atom. In the seventh O site, O is bonded in a distorted trigonal planar geometry to one K and two O atoms. The O–O bond length is 1.34 Å. In the eighth O site, O is bonded in a distorted single-bond geometry to two K and one P atom. In the ninth O site, O is bonded in a distorted T-shaped geometry to two K and one O atom. In the tenth O site, O is bonded in a distorted trigonal planar geometry to two K and one P atom.

36 MATERIALS SCIENCE↗