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Materials Data on Ca5P3O13 by Materials Project

Ca5P3O13 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.40–2.78 Å. In the second Ca site, Ca is bonded in a 7-coordinate geometry to nine O atoms. There are a spread of Ca–O bond distances ranging from 2.37–3.02 Å. In the third Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.36–2.76 Å. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.37–2.78 Å. In the fifth Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.35–2.76 Å. There are three inequivalent P sites. In the first P site, P is bonded in a tetrahedral geometry to four O atoms. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. In the second P site, P is bonded in a tetrahedral geometry to four O atoms. There is three shorter (1.55 Å) and one longer (1.56 Å) P–O bond length. In the third P site, P is bonded in a tetrahedral geometry to four O atoms. There is three shorter (1.55 Å) and one longer (1.56 Å) P–O bond length. There are thirteen inequivalent O sites. In the first O site, O is bonded in a 1-coordinate geometry to three Ca and one P atom. In the second O site, O is bonded in a 1-coordinate geometry to three Ca and one P atom. In the third O site, O is bonded in a 1-coordinate geometry to three Ca and one P atom. In the fourth O site, O is bonded in a 4-coordinate geometry to three Ca and one P atom. In the fifth O site, O is bonded in a 4-coordinate geometry to three Ca and one P atom. In the sixth O site, O is bonded in a 4-coordinate geometry to three Ca and one P atom. In the seventh O site, O is bonded in a 1-coordinate geometry to three Ca and one P atom. In the eighth O site, O is bonded in a 1-coordinate geometry to three Ca and one P atom. In the ninth O site, O is bonded in a 1-coordinate geometry to three Ca and one P atom. In the tenth O site, O is bonded in a 1-coordinate geometry to three Ca and one P atom. In the eleventh O site, O is bonded in a 1-coordinate geometry to three Ca and one P atom. In the twelfth O site, O is bonded in a 1-coordinate geometry to two Ca and one P atom. In the thirteenth O site, O is bonded in a trigonal planar geometry to three Ca atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca9(Si3O16)2 by Materials Project

Ca9(Si3O16)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share a cornercorner with one CaO6 octahedra, corners with four SiO4 tetrahedra, and an edgeedge with one CaO6 octahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Ca–O bond distances ranging from 2.27–2.60 Å. In the second Ca site, Ca is bonded in a 6-coordinate geometry to six O atoms. There are a spread of Ca–O bond distances ranging from 2.23–2.68 Å. In the third Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.26–2.74 Å. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.22–2.63 Å. In the fifth Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with two equivalent CaO6 octahedra and corners with two equivalent OCa3O tetrahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Ca–O bond distances ranging from 2.16–2.70 Å. There are three 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 CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 64°. There are a spread of Si–O bond distances ranging from 1.59–1.77 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 65–68°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 67°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. There are sixteen inequivalent O sites. In the first O site, O is bonded in a distorted trigonal non-coplanar geometry to two Ca and one Si atom. In the second O site, O is bonded to three Ca and one O atom to form distorted OCa3O tetrahedra that share a cornercorner with one CaO6 octahedra, corners with two equivalent OCa3Si tetrahedra, and corners with three equivalent OCa3Si trigonal pyramids. The corner-sharing octahedral tilt angles are 41°. The O–O bond length is 1.31 Å. In the third O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the fourth O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the fifth O site, O is bonded in a bent 120 degrees geometry to two Si atoms. In the sixth O site, O is bonded in a distorted bent 120 degrees geometry to two Si atoms. In the seventh O site, O is bonded in a distorted bent 150 degrees geometry to one Ca and two Si atoms. In the eighth O site, O is bonded in a distorted bent 120 degrees geometry to one Si and one O atom. The O–O bond length is 1.35 Å. In the ninth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted edge and corner-sharing OCa3Si trigonal pyramids. In the tenth O site, O is bonded to three Ca and one Si atom to form distorted OCa3Si tetrahedra that share corners with two equivalent OCa3O tetrahedra, a cornercorner with one OCa3Si trigonal pyramid, and an edgeedge with one OCa3Si tetrahedra. In the eleventh O site, O is bonded in a trigonal planar geometry to three Ca atoms. In the twelfth O site, O is bonded in a trigonal planar geometry to three Ca atoms. In the thirteenth O site, O is bonded in a water-like geometry to one Ca and one O atom. In the fourteenth O site, O is bonded in an L-shaped geometry to one Ca and one O atom. The O–O bond length is 1.26 Å. In the fifteenth O site, O is bonded in a 3-coordinate geometry to two Ca and one O atom. In the sixteenth O site, O is bonded in a 2-coordinate geometry to one Ca and one O atom.

36 MATERIALS SCIENCE↗

Materials Data on Ca8Al3 by Materials Project

Ca8Al3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are eight inequivalent Ca sites. In the first Ca site, Ca is bonded in a 4-coordinate geometry to four Al atoms. There are a spread of Ca–Al bond distances ranging from 3.25–3.52 Å. In the second Ca site, Ca is bonded in a 2-coordinate geometry to four Al atoms. There are a spread of Ca–Al bond distances ranging from 3.13–3.60 Å. In the third Ca site, Ca is bonded in a 2-coordinate geometry to four Al atoms. There are a spread of Ca–Al bond distances ranging from 3.16–3.62 Å. In the fourth Ca site, Ca is bonded in a 2-coordinate geometry to four Al atoms. There are a spread of Ca–Al bond distances ranging from 3.18–3.64 Å. In the fifth Ca site, Ca is bonded in a distorted bent 120 degrees geometry to three Al atoms. There are a spread of Ca–Al bond distances ranging from 3.31–3.67 Å. In the sixth Ca site, Ca is bonded in a 2-coordinate geometry to four Al atoms. There are a spread of Ca–Al bond distances ranging from 3.18–3.57 Å. In the seventh Ca site, Ca is bonded in a distorted trigonal non-coplanar geometry to three Al atoms. There are a spread of Ca–Al bond distances ranging from 3.24–3.40 Å. In the eighth Ca site, Ca is bonded in a distorted trigonal non-coplanar geometry to three Al atoms. There are a spread of Ca–Al bond distances ranging from 3.23–3.36 Å. There are four inequivalent Al sites. In the first Al site, Al is bonded in a body-centered cubic geometry to eight Ca atoms. In the second Al site, Al is bonded in a distorted q6 geometry to ten Ca atoms. In the third Al site, Al is bonded in a 10-coordinate geometry to ten Ca atoms. In the fourth Al site, Al is bonded in a 10-coordinate geometry to ten Ca atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca14Hg51 by Materials Project

Ca14Hg51 is beta Plutonium-derived structured and crystallizes in the hexagonal P-6 space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 12-coordinate geometry to fourteen Hg atoms. There are a spread of Ca–Hg bond distances ranging from 3.27–3.77 Å. In the second Ca site, Ca is bonded in a 8-coordinate geometry to fourteen Hg atoms. There are a spread of Ca–Hg bond distances ranging from 3.27–3.72 Å. In the third Ca site, Ca is bonded in a 2-coordinate geometry to thirteen Hg atoms. There are a spread of Ca–Hg bond distances ranging from 3.32–3.57 Å. In the fourth Ca site, Ca is bonded in a 1-coordinate geometry to fourteen Hg atoms. There are a spread of Ca–Hg bond distances ranging from 3.19–3.61 Å. In the fifth Ca site, Ca is bonded in a 6-coordinate geometry to fifteen Hg atoms. There are a spread of Ca–Hg bond distances ranging from 3.37–3.59 Å. There are thirteen inequivalent Hg sites. In the first Hg site, Hg is bonded in a 3-coordinate geometry to three equivalent Ca and eight Hg atoms. There are six shorter (3.14 Å) and two longer (3.28 Å) Hg–Hg bond lengths. In the second Hg site, Hg is bonded in a 3-coordinate geometry to three equivalent Ca and eight Hg atoms. There are six shorter (3.14 Å) and two longer (3.25 Å) Hg–Hg bond lengths. In the third Hg site, Hg is bonded in a 11-coordinate geometry to four Ca and five Hg atoms. There are a spread of Hg–Hg bond distances ranging from 3.07–3.37 Å. In the fourth Hg site, Hg is bonded in a 4-coordinate geometry to four Ca and five Hg atoms. There are a spread of Hg–Hg bond distances ranging from 3.09–3.35 Å. In the fifth Hg site, Hg is bonded in a 3-coordinate geometry to three equivalent Ca and seven Hg atoms. All Hg–Hg bond lengths are 3.29 Å. In the sixth Hg site, Hg is bonded in a 11-coordinate geometry to four Ca and seven Hg atoms. There are two shorter (3.00 Å) and one longer (3.25 Å) Hg–Hg bond lengths. In the seventh Hg site, Hg is bonded in a 2-coordinate geometry to four Ca and eight Hg atoms. There are a spread of Hg–Hg bond distances ranging from 2.99–3.32 Å. In the eighth Hg site, Hg is bonded in a 11-coordinate geometry to four Ca and seven Hg atoms. There are one shorter (2.99 Å) and one longer (3.27 Å) Hg–Hg bond lengths. In the ninth Hg site, Hg is bonded in a 3-coordinate geometry to four Ca and six Hg atoms. There are a spread of Hg–Hg bond distances ranging from 3.14–3.28 Å. In the tenth Hg site, Hg is bonded to four Ca and eight Hg atoms to form a mixture of distorted edge and face-sharing HgCa4Hg8 cuboctahedra. There are one shorter (2.92 Å) and one longer (2.93 Å) Hg–Hg bond lengths. In the eleventh Hg site, Hg is bonded in a 3-coordinate geometry to three equivalent Ca and seven Hg atoms. In the twelfth Hg site, Hg is bonded to four Ca and eight Hg atoms to form a mixture of distorted edge and face-sharing HgCa4Hg8 cuboctahedra. In the thirteenth Hg site, Hg is bonded in a 1-coordinate geometry to three Ca and six Hg atoms. Both Hg–Hg bond lengths are 2.95 Å.

36 MATERIALS SCIENCE↗

Materials Data on CaAsO5 by Materials Project

CaAsO5 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.27–2.97 Å. In the second Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.27–2.96 Å. In the third Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.27–2.96 Å. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.27–2.96 Å. There are four inequivalent As sites. In the first As site, As is bonded in a tetrahedral geometry to four O atoms. There are a spread of As–O bond distances ranging from 1.67–1.89 Å. In the second As site, As is bonded in a tetrahedral geometry to four O atoms. There are a spread of As–O bond distances ranging from 1.67–1.89 Å. In the third As site, As is bonded in a tetrahedral geometry to four O atoms. There are a spread of As–O bond distances ranging from 1.67–1.89 Å. In the fourth As site, As is bonded in a tetrahedral geometry to four O atoms. There are a spread of As–O bond distances ranging from 1.67–1.89 Å. There are twenty inequivalent O sites. In the first O site, O is bonded in a 2-coordinate geometry to one As and one O atom. The O–O bond length is 1.45 Å. In the second O site, O is bonded in a 2-coordinate geometry to one As and one O atom. The O–O bond length is 1.45 Å. In the third O site, O is bonded in a 2-coordinate geometry to one As and one O atom. The O–O bond length is 1.45 Å. In the fourth O site, O is bonded in a 2-coordinate geometry to one As and one O atom. The O–O bond length is 1.45 Å. In the fifth O site, O is bonded in a distorted trigonal non-coplanar geometry to two Ca and one As atom. In the sixth O site, O is bonded in a distorted trigonal non-coplanar geometry to two Ca and one As atom. In the seventh O site, O is bonded in a distorted trigonal non-coplanar geometry to two Ca and one As atom. In the eighth O site, O is bonded in a distorted trigonal non-coplanar geometry to two Ca and one As atom. In the ninth O site, O is bonded in a bent 150 degrees geometry to one Ca and one As atom. In the tenth O site, O is bonded in a bent 150 degrees geometry to one Ca and one As atom. In the eleventh O site, O is bonded in a bent 150 degrees geometry to one Ca and one As atom. In the twelfth O site, O is bonded in a bent 150 degrees geometry to one Ca and one As atom. In the thirteenth O site, O is bonded in a 4-coordinate geometry to three Ca and one As atom. In the fourteenth O site, O is bonded in a 4-coordinate geometry to three Ca and one As atom. In the fifteenth O site, O is bonded in a 4-coordinate geometry to three Ca and one As atom. In the sixteenth O site, O is bonded in a 4-coordinate geometry to three Ca and one As atom. In the seventeenth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Ca and two O atoms. The O–O bond length is 1.48 Å. In the eighteenth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Ca and two O atoms. The O–O bond length is 1.48 Å. In the nineteenth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Ca and two O atoms. In the twentieth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Ca and two O atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca3(B3Rh4)2 by Materials Project

Ca3Rh8B6 crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. there are three inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to one Ca, ten Rh, and six equivalent B atoms. The Ca–Ca bond length is 3.12 Å. There are a spread of Ca–Rh bond distances ranging from 3.05–3.28 Å. There are two shorter (2.97 Å) and four longer (3.20 Å) Ca–B bond lengths. In the second Ca site, Ca is bonded in a 12-coordinate geometry to two equivalent Ca, twelve Rh, and six B atoms. There are four shorter (3.15 Å) and eight longer (3.17 Å) Ca–Rh bond lengths. There are four shorter (3.22 Å) and two longer (3.27 Å) Ca–B bond lengths. In the third Ca site, Ca is bonded in a 6-coordinate geometry to one Ca, ten Rh, and six equivalent B atoms. The Ca–Ca bond length is 3.12 Å. There are a spread of Ca–Rh bond distances ranging from 3.05–3.28 Å. There are two shorter (2.97 Å) and four longer (3.20 Å) Ca–B bond lengths. There are three inequivalent Rh sites. In the first Rh site, Rh is bonded in a distorted square co-planar geometry to four Ca and four B atoms. There are two shorter (2.17 Å) and two longer (2.21 Å) Rh–B bond lengths. In the second Rh site, Rh is bonded in a distorted square co-planar geometry to four Ca and four B atoms. There are two shorter (2.14 Å) and two longer (2.21 Å) Rh–B bond lengths. In the third Rh site, Rh is bonded in a 4-coordinate geometry to four equivalent Ca and four equivalent B atoms. All Rh–B bond lengths are 2.13 Å. There are four inequivalent B sites. In the first B site, B is bonded in a 5-coordinate geometry to three equivalent Ca and five Rh atoms. In the second B site, B is bonded in a 6-coordinate geometry to three equivalent Ca and six Rh atoms. There are two shorter (3.22 Å) and one longer (3.27 Å) B–Ca bond lengths. All B–Rh bond lengths are 2.17 Å. In the third B site, B is bonded in a 6-coordinate geometry to three equivalent Ca and six Rh atoms. Both B–Rh bond lengths are 2.21 Å. In the fourth B site, B is bonded in a 6-coordinate geometry to three equivalent Ca and six Rh atoms. Both B–Rh bond lengths are 2.21 Å.

36 MATERIALS SCIENCE↗

Materials Data on BaNa5Ca7P6(O8F)3 by Materials Project

Na5BaCa7P6(O8F)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are ten inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.89 Å. There are one shorter (2.32 Å) and one longer (2.69 Å) Na–F bond lengths. In the second Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.29–2.89 Å. There are one shorter (2.28 Å) and one longer (2.69 Å) Na–F bond lengths. In the third Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.34–2.89 Å. There are one shorter (2.30 Å) and one longer (2.64 Å) Na–F bond lengths. In the fourth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.30–2.80 Å. There are one shorter (2.28 Å) and one longer (2.59 Å) Na–F bond lengths. In the fifth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.82 Å. There are one shorter (2.33 Å) and one longer (2.63 Å) Na–F bond lengths. In the sixth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.81 Å. There are one shorter (2.31 Å) and one longer (2.62 Å) Na–F bond lengths. In the seventh Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.34–2.91 Å. There are one shorter (2.30 Å) and one longer (2.65 Å) Na–F bond lengths. In the eighth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.81 Å. There are one shorter (2.32 Å) and one longer (2.61 Å) Na–F bond lengths. In the ninth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.27–2.90 Å. There are one shorter (2.32 Å) and one longer (2.71 Å) Na–F bond lengths. In the tenth Na1+ site, Na1+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Na–O bond distances ranging from 2.27–2.90 Å. There are one shorter (2.31 Å) and one longer (2.71 Å) Na–F bond lengths. There are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 12-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.83–2.86 Å. In the second Ba2+ site, Ba2+ is bonded in a 12-coordinate geometry to six O2- atoms. There are a spread of Ba–O bond distances ranging from 2.83–2.86 Å. There are fourteen inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.39–2.50 Å. The Ca–F bond length is 2.47 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.39–2.48 Å. The Ca–F bond length is 2.42 Å. In the third Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.36–2.48 Å. The Ca–F bond length is 2.42 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Ca–O bond distances ranging from 2.30–2.81 Å. There are one shorter (2.23 Å) and one longer (2.59 Å) Ca–F bond lengths. In the fifth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.37–2.52 Å. The Ca–F bond length is 2.38 Å. In the sixth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.37–2.50 Å. The Ca–F bond length is 2.37 Å. In the seventh Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.34–2.50 Å. The Ca–F bond length is 2.38 Å. In the eighth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.35–2.52 Å. The Ca–F bond length is 2.38 Å. In the ninth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.35–2.50 Å. The Ca–F bond length is 2.37 Å. In the tenth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.35–2.52 Å. The Ca–F bond length is 2.38 Å. In the eleventh Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to five O2- and two F1- atoms. There are a spread of Ca–O bond distances ranging from 2.30–2.79 Å. There are one shorter (2.23 Å) and one longer (2.56 Å) Ca–F bond lengths. In the twelfth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.37–2.48 Å. The Ca–F bond length is 2.42 Å. In the thirteenth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.38–2.51 Å. The Ca–F bond length is 2.48 Å. In the fourteenth Ca2+ site, Ca2+ is bonded to six O2- and one F1- atom to form distorted CaO6F pentagonal bipyramids that share corners with four PO4 tetrahedra, edges with two CaO6F pentagonal bipyramids, an edgeedge with one PO4 tetrahedra, and faces with two CaO6F pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.37–2.48 Å. The Ca–F bond length is 2.41 Å. There are twelve inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six CaO6F pentagonal bipyramids. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids. There are a spread of P–O bond distances ranging from 1.54–1.61 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids and edges with three CaO6F pentagonal bipyramids. All P–O bond lengths are 1.56 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six CaO6F pentagonal bipyramids. There is one shorter (1.54 Å) and three longer (1.57 Å) P–O bond length. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids. There are a spread of P–O bond distances ranging from 1.54–1.60 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids and edges with three CaO6F pentagonal bipyramids. All P–O bond lengths are 1.56 Å. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids and edges with three CaO6F pentagonal bipyramids. All P–O bond lengths are 1.56 Å. In the eighth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids. There are a spread of P–O bond distances ranging from 1.54–1.60 Å. In the ninth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six CaO6F pentagonal bipyramids. There is three shorter (1.55 Å) and one longer (1.57 Å) P–O bond length. In the tenth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids and edges with three CaO6F pentagonal bipyramids. All P–O bond lengths are 1.56 Å. In the eleventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CaO6F pentagonal bipyramids. There are a spread of P–O bond distances ranging from 1.54–1.60 Å. In the twelfth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six CaO6F pentagonal bipyramids. There is one shorter (1.54 Å) and three longer (1.57 Å) P–O bond length. There are forty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded to two Na1+, one Ca2+, and one P5+ atom to form ONa2CaP tetrahedra that share corners with six FNa2Ca4 octahedra. The corner-sharing octahedra tilt angles range from 12–62°. In the second O2- site, O2- is bonded to three Ca2+ and one P5+ atom to form distorted OCa3P tetrahedra that share corners with two equivalent FNa3Ca3 octahedra. The corner-sharing octahedra tilt angles range from 58–60°. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ca2+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ca2+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ba2+, two Ca2+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Ca2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, two Ca2+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to three Ca2+ and one P5+ atom. In the tenth O2- site, O2- is bonded to three Na1+ and one P5+ atom to form ONa3P tetrahedra that share corners wit

36 MATERIALS SCIENCE↗

Materials Data on KNaCa3Mg10(SiO3)16 by Materials Project

KNaCa3Mg10(SiO3)16 is Esseneite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. K is bonded in a 2-coordinate geometry to ten O atoms. There are a spread of K–O bond distances ranging from 2.64–3.28 Å. Na is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Na–O bond distances ranging from 2.39–2.92 Å. There are three inequivalent Ca sites. In the first Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.33–2.85 Å. In the second Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.33–2.84 Å. In the third Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.34–2.84 Å. There are ten inequivalent Mg sites. In the first Mg site, Mg is bonded to six O atoms to form MgO6 octahedra that share corners with six SiO4 tetrahedra and edges with three MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 1.99–2.18 Å. In the second Mg site, Mg is bonded to six O atoms to form MgO6 octahedra that share corners with six SiO4 tetrahedra and edges with three MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.00–2.19 Å. In the third Mg site, Mg is bonded to six O atoms to form MgO6 octahedra that share corners with six SiO4 tetrahedra and edges with three MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.03–2.14 Å. In the fourth Mg site, Mg is bonded to six O atoms to form MgO6 octahedra that share corners with six SiO4 tetrahedra and edges with three MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.03–2.14 Å. In the fifth Mg site, Mg is bonded to six O atoms to form distorted MgO6 octahedra that share corners with four SiO4 tetrahedra and edges with five MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 1.99–2.17 Å. In the sixth Mg site, Mg is bonded to six O atoms to form distorted MgO6 octahedra that share corners with four SiO4 tetrahedra and edges with five MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.01–2.14 Å. In the seventh Mg site, Mg is bonded to six O atoms to form distorted MgO6 octahedra that share corners with four SiO4 tetrahedra and edges with five MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 1.99–2.17 Å. In the eighth Mg site, Mg is bonded to six O atoms to form distorted MgO6 octahedra that share corners with four SiO4 tetrahedra and edges with five MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.01–2.15 Å. In the ninth Mg site, Mg is bonded to six O atoms to form distorted MgO6 octahedra that share corners with four SiO4 tetrahedra and edges with six MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.10–2.35 Å. In the tenth Mg site, Mg is bonded to six O atoms to form distorted MgO6 octahedra that share corners with four SiO4 tetrahedra and edges with six MgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.10–2.29 Å. There are sixteen inequivalent Si sites. In the first Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–62°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–62°. There are a spread of Si–O bond distances ranging from 1.61–1.67 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–63°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–62°. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. In the fifth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–62°. There are a spread of Si–O bond distances ranging from 1.62–1.65 Å. In the sixth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–62°. There are a spread of Si–O bond distances ranging from 1.61–1.66 Å. In the seventh Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–62°. There are a spread of Si–O bond distances ranging from 1.61–1.66 Å. In the eighth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–61°. There are a spread of Si–O bond distances ranging from 1.61–1.66 Å. In the ninth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 33–54°. There are a spread of Si–O bond distances ranging from 1.61–1.70 Å. In the tenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 34–57°. There are a spread of Si–O bond distances ranging from 1.60–1.69 Å. In the eleventh Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 34–56°. There are a spread of Si–O bond distances ranging from 1.59–1.69 Å. In the twelfth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–57°. There are a spread of Si–O bond distances ranging from 1.60–1.70 Å. In the thirteenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 33–57°. There are a spread of Si–O bond distances ranging from 1.59–1.70 Å. In the fourteenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 36–57°. There are a spread of Si–O bond distances ranging from 1.61–1.69 Å. In the fifteenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 34–57°. There are a spread of Si–O bond distances ranging from 1.61–1.69 Å. In the sixteenth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three MgO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 33–54°. There are a spread of Si–O bond distances ranging from 1.61–1.70 Å. There are forty-eight inequivalent O sites. In the first O site, O is bonded in a distorted rectangular see-saw-like geometry to one Na, two Mg, and one Si atom. In the second O site, O is bonded in a distorted rectangular see-saw-like geometry to one Ca, two Mg, and one Si atom. In the third O site, O is bonded in a distorted rectangular see-saw-like geometry to one Ca, two Mg, and one Si atom. In the fourth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Ca, two Mg, and one Si atom. In the fifth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Ca, two Mg, and one Si atom. In the sixth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Ca, two Mg, and one Si atom. In the seventh O site, O is bonded in a distorted rectangular see-saw-like geometry to one Na, two Mg, and one Si atom. In the eighth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Ca, two Mg, and one Si atom. In the ninth O site, O is bonded to three Mg and one Si atom to form a mixture of distorted edge and corner-sharing OMg3Si tetrahedra. In the tenth O site, O is bonded to three Mg and one Si atom to form a mixture of distorted edge and corner-sharing OMg3Si tetrahedra. In the eleventh O site, O is bonded to three Mg and one Si atom to form a mixture of distorted edge and corner-sharing OMg3Si tetrahedra. In the twelfth O site, O is bonded to three Mg and one Si atom to form a mixture of distorted edge and corner-sharing OMg3Si tetrahedra. In the thirteenth O site, O is bonded to three Mg and one Si atom to form a mixture of distorted edge and corner-sharing OMg3Si trigonal pyramids. In the fourteenth O site, O is bonded to three Mg and one Si atom to form a mixture of distorted edge and corner-sharing OMg3Si trigonal pyramids. In the fifteenth O site, O is bonded to three Mg and one Si atom to form a mixture of distorted edge and corner-sharing OMg3Si trigonal pyramids. In the sixteenth O site, O is bonded to three Mg and one Si atom to form a mixture of distorted edge and corner-sharing OMg3Si trigonal pyramids. In the seventeenth O site, O is bonded in a 2-coordinate geometry to one K and two Si atoms. In the eighteenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the nineteenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the twentieth O site, O is bonded in a 2-coordinate geometry to one K and two Si atoms. In the twenty-first O site, O is bonded in a distorted T-shaped geometry to one Ca, one Mg, and one Si atom. In the twenty-second O site, O is bonded in a distorted T-shaped geometry to one Ca, one Mg, and one Si atom. In the twenty-third O site, O is bonded in a distorted T-shaped geometry to one Na, one Mg, and one Si atom. In the twenty-fourth O site, O is bonded in a distorted T-shaped geometry to one Ca, one Mg, and one Si atom. In the twenty-fifth O site, O is bonded in a distorted T-shaped geometry to one Na, one Mg, and one Si atom. In the twenty-sixth O site, O is bonded in a distorted T-shaped geometry to one Ca, one Mg, and one Si atom. In the twenty-seventh O site, O is bonded in a distorted T-shaped geometry to one Ca, one Mg, and one Si atom. In the twenty-eighth O site, O is bonded in a distorted T-shaped geometry to one Ca, one Mg, and one Si atom. In the twenty-ninth O site, O is bonded in a 2-coordinate geometry to one K, one Ca, and two Si atoms. In the thirtieth O site, O is bonded in a 2-coordinate geometry to one Ca and two Si atoms. In the thirty-first O site, O is bonded in a 2-coordinate geometry to one Na and two Si atoms. In the thirty-second O site, O is bonded in a 2-coordinate geometry to one K, one Ca, and two Si atoms. In the thirty-third O site, O is bonded in a 2-coordinate geometry to one K, one Na, and two Si atoms. In the thirty-fourth O site, O is bonded in a 2-coordinate geometry to one Ca and two Si atoms. In the thirty-fifth O site, O is bonded in a 3-coordinate geometry to one Ca and two Si atoms. In the thirty-sixth O site, O is bonded in a 2-coordinate geometry to one K, one Ca, and two Si atoms. In

36 MATERIALS SCIENCE↗

Materials Data on Ca3Ge3Au8 by Materials Project

Ca3Au8Ge3 crystallizes in the monoclinic P2/m space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a 10-coordinate geometry to eleven Au and five Ge atoms. There are a spread of Ca–Au bond distances ranging from 3.18–3.73 Å. There are a spread of Ca–Ge bond distances ranging from 3.16–3.37 Å. In the second Ca site, Ca is bonded in a 10-coordinate geometry to eleven Au and three Ge atoms. There are a spread of Ca–Au bond distances ranging from 3.15–3.45 Å. There are two shorter (3.22 Å) and one longer (3.42 Å) Ca–Ge bond lengths. In the third Ca site, Ca is bonded in a 8-coordinate geometry to ten Au and two equivalent Ge atoms. There are a spread of Ca–Au bond distances ranging from 3.09–3.63 Å. Both Ca–Ge bond lengths are 3.20 Å. In the fourth Ca site, Ca is bonded in a 12-coordinate geometry to twelve Au atoms. There are a spread of Ca–Au bond distances ranging from 3.17–3.64 Å. There are nine inequivalent Au sites. In the first Au site, Au is bonded in a 10-coordinate geometry to four Ca, four Au, and two equivalent Ge atoms. There are a spread of Au–Au bond distances ranging from 2.91–2.99 Å. Both Au–Ge bond lengths are 2.60 Å. In the second Au site, Au is bonded in a 10-coordinate geometry to four Ca, four Au, and two equivalent Ge atoms. There are a spread of Au–Au bond distances ranging from 2.92–3.01 Å. Both Au–Ge bond lengths are 2.58 Å. In the third Au site, Au is bonded in a 1-coordinate geometry to five Ca, two Au, and three Ge atoms. The Au–Au bond length is 2.80 Å. There are one shorter (2.55 Å) and two longer (2.81 Å) Au–Ge bond lengths. In the fourth Au site, Au is bonded in a 1-coordinate geometry to four Ca, two Au, and one Ge atom. The Au–Au bond length is 2.87 Å. The Au–Ge bond length is 2.53 Å. In the fifth Au site, Au is bonded to four Ca, five Au, and three Ge atoms to form a mixture of distorted face, edge, and corner-sharing AuCa4Ge3Au5 cuboctahedra. Both Au–Au bond lengths are 3.01 Å. There are one shorter (2.78 Å) and two longer (2.87 Å) Au–Ge bond lengths. In the sixth Au site, Au is bonded to four Ca, seven Au, and one Ge atom to form a mixture of distorted face, edge, and corner-sharing AuCa4GeAu7 cuboctahedra. There are two shorter (2.93 Å) and two longer (3.00 Å) Au–Au bond lengths. The Au–Ge bond length is 2.81 Å. In the seventh Au site, Au is bonded to four equivalent Ca and eight Au atoms to form face-sharing AuCa4Au8 cuboctahedra. Both Au–Au bond lengths are 2.79 Å. In the eighth Au site, Au is bonded in a distorted linear geometry to four equivalent Ca, six Au, and two equivalent Ge atoms. Both Au–Ge bond lengths are 2.70 Å. In the ninth Au site, Au is bonded in a 1-coordinate geometry to four Ca, three Au, and one Ge atom. The Au–Ge bond length is 2.62 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to three Ca and five Au atoms. In the second Ge site, Ge is bonded in a 3-coordinate geometry to three Ca, four Au, and one Ge atom. The Ge–Ge bond length is 2.66 Å. In the third Ge site, Ge is bonded in a 9-coordinate geometry to three Ca, five Au, and one Ge atom.

36 MATERIALS SCIENCE↗

Materials Data on Ca3B5Cl2O21 by Materials Project

Ca3B5O21Cl2 crystallizes in the monoclinic Pc space group. The structure is two-dimensional and consists of one Ca3B5O21Cl2 sheet oriented in the (0, 1, 0) direction. there are three inequivalent Ca sites. In the first Ca site, Ca is bonded in a 1-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.11–2.68 Å. In the second Ca site, Ca is bonded in a 1-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.14–2.64 Å. In the third Ca site, Ca is bonded in a 1-coordinate geometry to seven O atoms. There are a spread of Ca–O bond distances ranging from 2.11–2.76 Å. There are five inequivalent B sites. In the first B site, B is bonded in a trigonal planar geometry to three O atoms. All B–O bond lengths are 1.39 Å. In the second B site, B is bonded in a trigonal planar geometry to three O atoms. All B–O bond lengths are 1.39 Å. In the third B site, B is bonded in a distorted tetrahedral geometry to four O atoms. There are a spread of B–O bond distances ranging from 1.44–1.50 Å. In the fourth B site, B is bonded in a distorted 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 fifth B site, B is bonded in a tetrahedral geometry to four O atoms. There are a spread of B–O bond distances ranging from 1.45–1.47 Å. There are twenty-one inequivalent O sites. In the first O site, O is bonded in a 2-coordinate geometry to one Ca and two B atoms. In the second O site, O is bonded in a 2-coordinate geometry to one Ca and two B atoms. In the third O site, O is bonded in a 2-coordinate geometry to one Ca and two B atoms. In the fourth O site, O is bonded in a distorted bent 120 degrees geometry to one Ca and two B atoms. In the fifth O site, O is bonded in a 2-coordinate geometry to one Ca and two B atoms. In the sixth O site, O is bonded in a 2-coordinate geometry to one Ca and two B atoms. In the seventh O site, O is bonded in a 1-coordinate geometry to two Ca, one B, and one O atom. The O–O bond length is 1.56 Å. In the eighth O site, O is bonded in a distorted single-bond geometry to one Ca, one B, and one O atom. In the ninth O site, O is bonded in a 1-coordinate geometry to one Ca and one B atom. In the tenth O site, O is bonded in a distorted single-bond geometry to two Ca and one B atom. In the eleventh O site, O is bonded in a distorted single-bond geometry to two Ca and one B atom. In the twelfth O site, O is bonded in a distorted single-bond geometry to one Ca and one B atom. In the thirteenth O site, O is bonded in a trigonal planar geometry to three Ca atoms. In the fourteenth O site, O is bonded in a bent 120 degrees geometry to one O and one Cl atom. The O–O bond length is 1.25 Å. The O–Cl bond length is 1.99 Å. In the fifteenth O site, O is bonded in a bent 150 degrees geometry to one Ca and one O atom. In the sixteenth O site, O is bonded in a water-like geometry to one Ca and one O atom. The O–O bond length is 1.32 Å. In the seventeenth O site, O is bonded in a bent 150 degrees geometry to one Ca and one O atom. The O–O bond length is 1.24 Å. In the eighteenth O site, O is bonded in a bent 120 degrees geometry to one Ca and one Cl atom. The O–Cl bond length is 1.62 Å. In the nineteenth O site, O is bonded in a single-bond geometry to one O atom. In the twentieth O site, O is bonded in a water-like geometry to one Ca and one O atom. The O–O bond length is 1.33 Å. In the twenty-first O site, O is bonded in a bent 120 degrees geometry to two O atoms. There are two inequivalent Cl sites. In the first Cl site, Cl is bonded in a single-bond geometry to one O atom. In the second Cl site, Cl is bonded in a single-bond geometry to one O atom.

36 MATERIALS SCIENCE↗

Materials Data on Ca9Zn4Bi9 by Materials Project

Ca9Zn4Bi9 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to two equivalent Zn and six Bi atoms. Both Ca–Zn bond lengths are 3.61 Å. There are two shorter (3.28 Å) and four longer (3.38 Å) Ca–Bi bond lengths. In the second Ca site, Ca is bonded to six Bi atoms to form a mixture of edge and corner-sharing CaBi6 octahedra. The corner-sharing octahedral tilt angles are 43°. There are a spread of Ca–Bi bond distances ranging from 3.25–3.46 Å. In the third Ca site, Ca is bonded in a 7-coordinate geometry to one Zn and six Bi atoms. The Ca–Zn bond length is 3.31 Å. There are a spread of Ca–Bi bond distances ranging from 3.32–3.44 Å. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to two equivalent Zn and five Bi atoms. Both Ca–Zn bond lengths are 3.22 Å. There are a spread of Ca–Bi bond distances ranging from 3.20–3.33 Å. In the fifth Ca site, Ca is bonded in a 7-coordinate geometry to four Zn and five Bi atoms. There are two shorter (3.23 Å) and two longer (3.57 Å) Ca–Zn bond lengths. There are a spread of Ca–Bi bond distances ranging from 3.27–3.36 Å. There are two inequivalent Zn sites. In the first Zn site, Zn is bonded in a 10-coordinate geometry to six Ca and four Bi atoms. There are a spread of Zn–Bi bond distances ranging from 2.79–3.11 Å. In the second Zn site, Zn is bonded in a 6-coordinate geometry to two equivalent Ca and four Bi atoms. There are a spread of Zn–Bi bond distances ranging from 2.82–2.93 Å. There are five inequivalent Bi sites. In the first Bi site, Bi is bonded in a 8-coordinate geometry to six Ca and two Zn atoms. In the second Bi site, Bi is bonded to six Ca and one Zn atom to form a mixture of distorted edge and corner-sharing BiCa6Zn pentagonal bipyramids. In the third Bi site, Bi is bonded in a 7-coordinate geometry to five Ca and two equivalent Zn atoms. In the fourth Bi site, Bi is bonded in a distorted body-centered cubic geometry to six Ca and two equivalent Zn atoms. In the fifth Bi site, Bi is bonded in a 7-coordinate geometry to five Ca and two equivalent Zn atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca9Cd4Bi9 by Materials Project

Ca9Cd4Bi9 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 9-coordinate geometry to four Cd and five Bi atoms. There are two shorter (3.39 Å) and two longer (3.58 Å) Ca–Cd bond lengths. There are a spread of Ca–Bi bond distances ranging from 3.33–3.48 Å. In the second Ca site, Ca is bonded in a 7-coordinate geometry to two equivalent Cd and five Bi atoms. Both Ca–Cd bond lengths are 3.35 Å. There are a spread of Ca–Bi bond distances ranging from 3.25–3.40 Å. In the third Ca site, Ca is bonded in a 8-coordinate geometry to two equivalent Cd and six Bi atoms. Both Ca–Cd bond lengths are 3.60 Å. There are two shorter (3.32 Å) and four longer (3.36 Å) Ca–Bi bond lengths. In the fourth Ca site, Ca is bonded in a 7-coordinate geometry to one Cd and six Bi atoms. The Ca–Cd bond length is 3.37 Å. There are a spread of Ca–Bi bond distances ranging from 3.30–3.52 Å. In the fifth Ca site, Ca is bonded to six Bi atoms to form a mixture of distorted corner and edge-sharing CaBi6 octahedra. The corner-sharing octahedral tilt angles are 48°. There are a spread of Ca–Bi bond distances ranging from 3.31–3.64 Å. There are two inequivalent Cd sites. In the first Cd site, Cd is bonded in a 10-coordinate geometry to six Ca and four Bi atoms. There are a spread of Cd–Bi bond distances ranging from 2.93–3.19 Å. In the second Cd site, Cd is bonded in a 6-coordinate geometry to two equivalent Ca and four Bi atoms. There are a spread of Cd–Bi bond distances ranging from 2.93–3.05 Å. There are five inequivalent Bi sites. In the first Bi site, Bi is bonded in a 7-coordinate geometry to five Ca and two equivalent Cd atoms. In the second Bi site, Bi is bonded in a 7-coordinate geometry to five Ca and two equivalent Cd atoms. In the third Bi site, Bi is bonded in a distorted body-centered cubic geometry to six Ca and two equivalent Cd atoms. In the fourth Bi site, Bi is bonded in a 8-coordinate geometry to six Ca and two Cd atoms. In the fifth Bi site, Bi is bonded to six Ca and one Cd atom to form a mixture of distorted corner and edge-sharing BiCa6Cd pentagonal bipyramids.

36 MATERIALS SCIENCE↗

Materials Data on Ca9Mn4Bi9 by Materials Project

Ca9Mn4Bi9 is Magnesium tetraboride-derived structured and crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to two equivalent Mn and six Bi atoms. Both Ca–Mn bond lengths are 3.66 Å. There are two shorter (3.33 Å) and four longer (3.44 Å) Ca–Bi bond lengths. In the second Ca site, Ca is bonded to six Bi atoms to form a mixture of distorted edge and corner-sharing CaBi6 octahedra. The corner-sharing octahedral tilt angles are 44°. There are a spread of Ca–Bi bond distances ranging from 3.27–3.45 Å. In the third Ca site, Ca is bonded in a 8-coordinate geometry to two Mn and six Bi atoms. There are one shorter (3.33 Å) and one longer (3.74 Å) Ca–Mn bond lengths. There are a spread of Ca–Bi bond distances ranging from 3.26–3.58 Å. In the fourth Ca site, Ca is bonded in a 8-coordinate geometry to two equivalent Mn and six Bi atoms. Both Ca–Mn bond lengths are 3.28 Å. There are a spread of Ca–Bi bond distances ranging from 3.23–3.74 Å. In the fifth Ca site, Ca is bonded in a 5-coordinate geometry to four Mn and five Bi atoms. There are two shorter (3.31 Å) and two longer (3.63 Å) Ca–Mn bond lengths. There are a spread of Ca–Bi bond distances ranging from 3.25–3.34 Å. There are two inequivalent Mn sites. In the first Mn site, Mn is bonded in a 10-coordinate geometry to six Ca and four Bi atoms. There are a spread of Mn–Bi bond distances ranging from 2.82–2.96 Å. In the second Mn site, Mn is bonded in a 4-coordinate geometry to three Ca and four Bi atoms. There are a spread of Mn–Bi bond distances ranging from 2.82–2.95 Å. There are five inequivalent Bi sites. In the first Bi site, Bi is bonded in a 8-coordinate geometry to six Ca and two Mn atoms. In the second Bi site, Bi is bonded to six Ca and one Mn atom to form a mixture of distorted edge and corner-sharing BiCa6Mn pentagonal bipyramids. In the third Bi site, Bi is bonded in a 7-coordinate geometry to six Ca and two equivalent Mn atoms. In the fourth Bi site, Bi is bonded in a distorted body-centered cubic geometry to six Ca and two equivalent Mn atoms. In the fifth Bi site, Bi is bonded in a 7-coordinate geometry to five Ca and two equivalent Mn atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sr3Ca5Fe4(CoO6)4 by Materials Project

Sr3Ca5Fe4(CoO6)4 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent Sr sites. In the first Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight CaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with four FeO6 octahedra, and faces with four CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.71–2.75 Å. In the second Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with twelve CaO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, faces with four FeO6 octahedra, and faces with four CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.76 Å. There are four inequivalent Ca sites. In the first Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight CaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with four FeO6 octahedra, and faces with four CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.67–2.72 Å. In the second Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, faces with four FeO6 octahedra, and faces with four CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.68–2.73 Å. In the third Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, faces with four FeO6 octahedra, and faces with four CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.69–2.73 Å. In the fourth Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with six CaO12 cuboctahedra, faces with four FeO6 octahedra, and faces with four CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.67–2.72 Å. There are three inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six FeO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.89–1.92 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.92–1.98 Å. In the third Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four equivalent CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.92–1.94 Å. There are three inequivalent Co sites. In the first Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four FeO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.83–1.91 Å. In the second Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four equivalent FeO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.87–2.01 Å. In the third Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with six CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.84–2.01 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded to two Sr, two Ca, and two Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with eighteen OSr2Ca2FeCo octahedra, edges with four OSr2Ca2FeCo octahedra, and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the second O site, O is bonded to two Sr, two Ca, one Fe, and one Co atom to form distorted OSr2Ca2FeCo octahedra that share corners with sixteen OSr2Ca2FeCo octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the third O site, O is bonded to two Sr, two Ca, one Fe, and one Co atom to form distorted OSr2Ca2FeCo octahedra that share corners with sixteen OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with six OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the fourth O site, O is bonded to two Sr, two Ca, and two Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with sixteen OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2FeCo octahedra, and faces with six OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the fifth O site, O is bonded to one Sr, three Ca, and two Fe atoms to form distorted OSrCa3Fe2 octahedra that share corners with eighteen OSr2Ca2Fe2 octahedra, edges with two equivalent OSrCa3FeCo octahedra, and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the sixth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, one Fe, and one Co atom. In the seventh O site, O is bonded to one Sr, three Ca, one Fe, and one Co atom to form distorted OSrCa3FeCo octahedra that share corners with twelve OSr2Ca2Fe2 octahedra, edges with four OSrCa3Fe2 octahedra, and faces with six OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the eighth O site, O is bonded to one Sr, three Ca, and two Co atoms to form distorted OSrCa3Co2 octahedra that share corners with sixteen OSr2Ca2Fe2 octahedra, edges with two equivalent OSrCa3FeCo octahedra, and faces with six OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the ninth O site, O is bonded to three Sr, one Ca, and two Fe atoms to form distorted OSr3CaFe2 octahedra that share corners with sixteen OSr2Ca2FeCo octahedra, edges with four equivalent OSr3CaFeCo octahedra, and faces with eight OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the tenth O site, O is bonded to three Sr, one Ca, one Fe, and one Co atom to form distorted OSr3CaFeCo octahedra that share corners with eighteen OSr2Ca2Fe2 octahedra, edges with four OSr3CaFe2 octahedra, and faces with seven OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the eleventh O site, O is bonded in a distorted linear geometry to four Ca and two Fe atoms. In the twelfth O site, O is bonded in a distorted linear geometry to four Ca, one Fe, and one Co atom. In the thirteenth O site, O is bonded to three Sr, one Ca, and two Co atoms to form distorted OSr3CaCo2 octahedra that share corners with twenty OSr2Ca2Fe2 octahedra, edges with four equivalent OSr3CaFeCo octahedra, and faces with six OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the fourteenth O site, O is bonded in a distorted linear geometry to four Ca and two Co atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sr3Ca5FeCo7O24 by Materials Project

Sr3Ca5FeCo7O24 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent Sr sites. In the first Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight CaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.69–2.76 Å. In the second Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with twelve CaO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.76 Å. There are four inequivalent Ca sites. In the first Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight CaO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.64–2.70 Å. In the second Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.65–2.71 Å. In the third Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.65–2.74 Å. In the fourth Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with six CaO12 cuboctahedra, a faceface with one FeO6 octahedra, and faces with seven CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.64–2.69 Å. Fe is bonded to six O atoms to form FeO6 octahedra that share corners with six CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.93–1.97 Å. There are five inequivalent Co sites. In the first Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.87–1.95 Å. In the second Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four equivalent CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.85–1.91 Å. In the third Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with six CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.89–1.92 Å. In the fourth Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with six CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.91–1.95 Å. In the fifth Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with six CoO6 octahedra, faces with three SrO12 cuboctahedra, and faces with five CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.89–1.92 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded to two Sr, two Ca, one Fe, and one Co atom to form distorted OSr2Ca2FeCo octahedra that share corners with sixteen OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with four OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the second O site, O is bonded to two Sr, two Ca, and two Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with sixteen OSr2Ca2Co2 octahedra, edges with four OSr2Ca2FeCo octahedra, and faces with four OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the third O site, O is bonded to two Sr, two Ca, and two Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with fourteen OSr2Ca2FeCo octahedra, edges with four OSr2Ca2FeCo octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the fourth O site, O is bonded to two Sr, two Ca, and two Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with fourteen OSr2Ca2FeCo octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the fifth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, one Fe, and one Co atom. In the sixth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Co atoms. In the seventh O site, O is bonded to one Sr, three Ca, and two Co atoms to form distorted OSrCa3Co2 octahedra that share corners with ten OSr2Ca2FeCo octahedra, edges with two equivalent OSrCa3Co2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the eighth O site, O is bonded to one Sr, three Ca, and two Co atoms to form distorted OSrCa3Co2 octahedra that share corners with ten OSr2Ca2FeCo octahedra, edges with two equivalent OSrCa3Co2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 2–61°. In the ninth O site, O is bonded to three Sr, one Ca, one Fe, and one Co atom to form distorted OSr3CaFeCo octahedra that share corners with sixteen OSr2Ca2Co2 octahedra, edges with four equivalent OSr3CaCo2 octahedra, and faces with six OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the tenth O site, O is bonded to three Sr, one Ca, and two Co atoms to form distorted OSr3CaCo2 octahedra that share corners with sixteen OSr2Ca2FeCo octahedra, edges with four OSr3CaFeCo octahedra, and faces with six OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the eleventh O site, O is bonded in a distorted linear geometry to four Ca, one Fe, and one Co atom. In the twelfth O site, O is bonded in a distorted linear geometry to four Ca and two Co atoms. In the thirteenth O site, O is bonded to three Sr, one Ca, and two Co atoms to form distorted OSr3CaCo2 octahedra that share corners with sixteen OSr2Ca2FeCo octahedra, edges with four equivalent OSr3CaCo2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the fourteenth O site, O is bonded in a distorted linear geometry to four Ca and two Co atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca2S2O9 by Materials Project

Ca2S2O9 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.41–2.66 Å. In the second Ca site, Ca is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Ca–O bond distances ranging from 2.42–2.81 Å. In the third Ca site, Ca is bonded to eight O atoms to form distorted CaO8 hexagonal bipyramids that share corners with four SO4 tetrahedra, edges with two equivalent CaO8 hexagonal bipyramids, and edges with two SO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.39–2.62 Å. In the fourth Ca site, Ca is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Ca–O bond distances ranging from 2.43–2.63 Å. There are three inequivalent S sites. In the first S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two equivalent CaO8 hexagonal bipyramids. All S–O bond lengths are 1.49 Å. In the second S site, S is bonded to four O atoms to form SO4 tetrahedra that share an edgeedge with one CaO8 hexagonal bipyramid. There are a spread of S–O bond distances ranging from 1.48–1.50 Å. In the third S site, S is bonded to four O atoms to form SO4 tetrahedra that share corners with two equivalent CaO8 hexagonal bipyramids and an edgeedge with one CaO8 hexagonal bipyramid. All S–O bond lengths are 1.49 Å. There are fourteen inequivalent O sites. In the first O site, O is bonded in a 3-coordinate geometry to two Ca and one S atom. In the second O site, O is bonded in a 1-coordinate geometry to two Ca and one S atom. In the third O site, O is bonded in a 1-coordinate geometry to two Ca and one S atom. In the fourth O site, O is bonded in a 1-coordinate geometry to two Ca and one S atom. In the fifth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Ca and one S atom. In the sixth O site, O is bonded in a 3-coordinate geometry to two Ca and one S atom. In the seventh O site, O is bonded in a 3-coordinate geometry to two Ca and one S atom. In the eighth O site, O is bonded in a 1-coordinate geometry to two equivalent Ca and one S atom. In the ninth O site, O is bonded in a 1-coordinate geometry to two equivalent Ca and one S atom. In the tenth O site, O is bonded in a 1-coordinate geometry to two Ca and one S atom. In the eleventh O site, O is bonded in a distorted single-bond geometry to two Ca and one S atom. In the twelfth O site, O is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ca and one S atom. In the thirteenth O site, O is bonded in a single-bond geometry to one Ca atom. In the fourteenth O site, O is bonded in a single-bond geometry to one Ca atom.

36 MATERIALS SCIENCE↗

Materials Data on Ca2Mg by Materials Project

Ca2Mg crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded to nine Ca and three Mg atoms to form distorted CaCa9Mg3 cuboctahedra that share corners with twelve CaCa9Mg3 cuboctahedra, edges with five CaCa7Mg5 cuboctahedra, and faces with ten CaCa9Mg3 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.71–3.84 Å. There are two shorter (3.51 Å) and one longer (3.71 Å) Ca–Mg bond lengths. In the second Ca site, Ca is bonded to seven Ca and five Mg atoms to form a mixture of distorted edge, face, and corner-sharing CaCa7Mg5 cuboctahedra. There are two shorter (3.70 Å) and three longer (3.71 Å) Ca–Ca bond lengths. There are a spread of Ca–Mg bond distances ranging from 3.53–3.79 Å. In the third Ca site, Ca is bonded in a 12-coordinate geometry to six Ca and three Mg atoms. Both Ca–Ca bond lengths are 3.81 Å. There are one shorter (3.40 Å) and two longer (3.56 Å) Ca–Mg bond lengths. In the fourth Ca site, Ca is bonded to eight Ca and four Mg atoms to form distorted CaCa8Mg4 cuboctahedra that share corners with six equivalent CaCa8Mg4 cuboctahedra, edges with six CaCa9Mg3 cuboctahedra, and faces with eleven CaCa9Mg3 cuboctahedra. Both Ca–Ca bond lengths are 3.71 Å. There are two shorter (3.66 Å) and two longer (3.73 Å) Ca–Mg bond lengths. There are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a 8-coordinate geometry to eight Ca atoms. In the second Mg site, Mg is bonded in a 7-coordinate geometry to seven Ca atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca5Mg by Materials Project

Ca5Mg crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded to twelve Ca atoms to form CaCa12 cuboctahedra that share corners with eighteen CaCa12 cuboctahedra, edges with six CaCa8Mg4 cuboctahedra, and faces with eight CaCa12 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.84–3.88 Å. In the second Ca site, Ca is bonded to eight Ca and four equivalent Mg atoms to form a mixture of distorted edge, corner, and face-sharing CaCa8Mg4 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.66–3.84 Å. All Ca–Mg bond lengths are 3.76 Å. In the third Ca site, Ca is bonded to ten Ca and two equivalent Mg atoms to form a mixture of distorted edge, corner, and face-sharing CaCa10Mg2 cuboctahedra. There are four shorter (3.75 Å) and two longer (3.84 Å) Ca–Ca bond lengths. Both Ca–Mg bond lengths are 3.73 Å. In the fourth Ca site, Ca is bonded in a 12-coordinate geometry to six Ca and two equivalent Mg atoms. Both Ca–Mg bond lengths are 3.62 Å. In the fifth Ca site, Ca is bonded in a 12-coordinate geometry to six Ca and two equivalent Mg atoms. Both Ca–Mg bond lengths are 3.63 Å. Mg is bonded in a distorted q6 geometry to ten Ca atoms.

36 MATERIALS SCIENCE↗