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Materials Data on Ca5Mg by Materials Project

Ca5Mg crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded to ten Ca and two equivalent Mg atoms to form distorted CaCa10Mg2 cuboctahedra that share corners with twelve CaCa10Mg2 cuboctahedra, edges with nine CaCa8Mg2 cuboctahedra, and faces with fourteen CaCa10Mg2 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.75–4.00 Å. Both Ca–Mg bond lengths are 3.65 Å. In the second Ca site, Ca is bonded in a 11-coordinate geometry to nine Ca and two equivalent Mg atoms. There are a spread of Ca–Ca bond distances ranging from 3.59–3.83 Å. Both Ca–Mg bond lengths are 3.75 Å. In the third Ca site, Ca is bonded to eight Ca and two equivalent Mg atoms to form distorted CaCa8Mg2 cuboctahedra that share corners with fourteen CaCa8Mg2 cuboctahedra, edges with five CaCa10Mg2 cuboctahedra, and faces with fourteen CaCa10Mg2 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.83–3.99 Å. Both Ca–Mg bond lengths are 3.64 Å. In the fourth Ca site, Ca is bonded to eleven Ca and one Mg atom to form a mixture of distorted corner, edge, and face-sharing CaCa11Mg cuboctahedra. There are two shorter (3.82 Å) and two longer (3.84 Å) Ca–Ca bond lengths. The Ca–Mg bond length is 3.71 Å. In the fifth Ca site, Ca is bonded to ten Ca and two equivalent Mg atoms to form distorted CaCa10Mg2 cuboctahedra that share corners with fourteen CaCa8Mg2 cuboctahedra, edges with nine CaCa10Mg2 cuboctahedra, and faces with thirteen CaCa10Mg2 cuboctahedra. Both Ca–Ca bond lengths are 3.82 Å. Both Ca–Mg bond lengths are 3.69 Å. Mg is bonded in a 9-coordinate geometry to nine Ca atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca5(SiO3)6 by Materials Project

Ca5(SiO3)6 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded to seven O atoms to form distorted CaO7 pentagonal bipyramids that share corners with five SiO4 tetrahedra, edges with two equivalent CaO7 pentagonal bipyramids, and an edgeedge with one SiO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.31–2.66 Å. In the second Ca site, Ca is bonded to seven O atoms to form distorted CaO7 pentagonal bipyramids that share corners with five SiO4 tetrahedra, edges with two equivalent CaO7 pentagonal bipyramids, and an edgeedge with one SiO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.31–2.68 Å. In the third 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 2.34–2.62 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 2.38–2.65 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 2.38–2.67 Å. There are six 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 CaO7 pentagonal bipyramid and corners with two SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.68 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO7 pentagonal bipyramid and corners with two SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.68 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent CaO7 pentagonal bipyramids and corners with two SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.68 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent CaO7 pentagonal bipyramids and corners with two 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 corners with two equivalent CaO7 pentagonal bipyramids, corners with two SiO4 tetrahedra, and an edgeedge with one CaO7 pentagonal bipyramid. There are a spread of Si–O bond distances ranging from 1.60–1.68 Å. In the sixth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent CaO7 pentagonal bipyramids, corners with two SiO4 tetrahedra, and an edgeedge with one CaO7 pentagonal bipyramid. There are a spread of Si–O bond distances ranging from 1.61–1.68 Å. There are eighteen inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to two Ca and one Si atom. In the second O site, O is bonded in a 3-coordinate geometry to two Ca and one Si atom. 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 4-coordinate geometry to three Ca and one Si atom. In the sixth O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the seventh O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the eighth O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the ninth O site, O is bonded in a distorted linear geometry to one Ca and one Si atom. In the tenth O site, O is bonded in a distorted linear geometry to one Ca and one Si atom. In the eleventh O site, O is bonded in a 2-coordinate geometry to one Ca and two Si atoms. In the twelfth O site, O is bonded in a distorted bent 120 degrees geometry to two Si atoms. In the thirteenth O site, O is bonded in a bent 150 degrees geometry to two Si atoms. In the fourteenth O site, O is bonded in a 2-coordinate geometry to one Ca and two Si atoms. In the fifteenth O site, O is bonded in a 3-coordinate geometry to one Ca and two Si atoms. In the sixteenth O site, O is bonded in a 3-coordinate geometry to one Ca and two Si atoms. In the seventeenth O site, O is bonded to three Ca and one Si atom to form distorted edge-sharing OCa3Si tetrahedra. In the eighteenth O site, O is bonded to three Ca and one Si atom to form distorted edge-sharing OCa3Si tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on CaSnAu by Materials Project

CaAuSn crystallizes in the orthorhombic Pnma 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 six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.23–3.42 Å. There are a spread of Ca–Sn bond distances ranging from 3.29–3.42 Å. In the second Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.31–3.38 Å. There are a spread of Ca–Sn bond distances ranging from 3.41–3.47 Å. In the third Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.26–3.46 Å. There are a spread of Ca–Sn bond distances ranging from 3.31–3.43 Å. In the fourth Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.20–3.47 Å. There are a spread of Ca–Sn bond distances ranging from 3.28–3.44 Å. In the fifth Ca site, Ca is bonded in a 12-coordinate geometry to six Au and six Sn atoms. There are a spread of Ca–Au bond distances ranging from 3.43–3.53 Å. There are three shorter (3.29 Å) and three longer (3.30 Å) Ca–Sn bond lengths. There are five inequivalent Au sites. In the first Au site, Au is bonded in a 10-coordinate geometry to six Ca and four Sn atoms. There are a spread of Au–Sn bond distances ranging from 2.78–3.04 Å. In the second Au site, Au is bonded in a 10-coordinate geometry to six Ca and four Sn atoms. There are a spread of Au–Sn bond distances ranging from 2.78–2.98 Å. In the third Au site, Au is bonded in a 10-coordinate geometry to six Ca and four Sn atoms. There are a spread of Au–Sn bond distances ranging from 2.78–3.06 Å. In the fourth Au site, Au is bonded in a 10-coordinate geometry to six Ca, one Au, and three Sn atoms. The Au–Au bond length is 3.32 Å. There are one shorter (2.77 Å) and two longer (2.79 Å) Au–Sn bond lengths. In the fifth Au site, Au is bonded in a 10-coordinate geometry to six Ca, one Au, and three Sn atoms. There are one shorter (2.77 Å) and two longer (2.78 Å) Au–Sn bond lengths. There are five inequivalent Sn sites. In the first Sn site, Sn is bonded in a 10-coordinate geometry to six Ca and four Au atoms. In the second Sn site, Sn is bonded in a 10-coordinate geometry to six Ca and four Au atoms. In the third Sn site, Sn is bonded in a 3-coordinate geometry to six Ca, three Au, and one Sn atom. The Sn–Sn bond length is 3.01 Å. In the fourth Sn site, Sn is bonded in a 3-coordinate geometry to six Ca, three Au, and one Sn atom. In the fifth Sn site, Sn is bonded in a 10-coordinate geometry to six Ca and four Au atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca4P7Ir8 by Materials Project

Ca4Ir8P7 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to nine Ir and six P atoms. There are a spread of Ca–Ir bond distances ranging from 3.07–3.24 Å. There are a spread of Ca–P bond distances ranging from 2.99–3.08 Å. In the second Ca site, Ca is bonded in a 8-coordinate geometry to nine Ir and six P atoms. There are a spread of Ca–Ir bond distances ranging from 3.04–3.30 Å. There are two shorter (3.02 Å) and four longer (3.04 Å) Ca–P bond lengths. In the third Ca site, Ca is bonded in a 1-coordinate geometry to seven Ir and seven P atoms. There are a spread of Ca–Ir bond distances ranging from 3.12–3.39 Å. There are a spread of Ca–P bond distances ranging from 2.88–3.28 Å. In the fourth Ca site, Ca is bonded in a 1-coordinate geometry to four Ir and seven P atoms. There are a spread of Ca–Ir bond distances ranging from 3.11–3.43 Å. There are a spread of Ca–P bond distances ranging from 2.75–3.41 Å. There are eight inequivalent Ir sites. In the first Ir site, Ir is bonded in a 4-coordinate geometry to four P atoms. There are a spread of Ir–P bond distances ranging from 2.31–2.37 Å. In the second Ir site, Ir is bonded in a 7-coordinate geometry to three Ca, two equivalent Ir, and four P atoms. Both Ir–Ir bond lengths are 2.84 Å. There are a spread of Ir–P bond distances ranging from 2.32–2.46 Å. In the third Ir site, Ir is bonded in a 10-coordinate geometry to four Ca, two equivalent Ir, and four P atoms. Both Ir–Ir bond lengths are 2.80 Å. There are a spread of Ir–P bond distances ranging from 2.32–2.43 Å. In the fourth Ir site, Ir is bonded to four Ca, four Ir, and four P atoms to form distorted face-sharing IrCa4P4Ir4 cuboctahedra. There are two shorter (2.79 Å) and two longer (2.81 Å) Ir–Ir bond lengths. There are a spread of Ir–P bond distances ranging from 2.39–2.49 Å. In the fifth Ir site, Ir is bonded in a 9-coordinate geometry to six Ca and three P atoms. There are a spread of Ir–P bond distances ranging from 2.28–2.37 Å. In the sixth Ir site, Ir is bonded to four Ca, four Ir, and four P atoms to form distorted face-sharing IrCa4P4Ir4 cuboctahedra. Both Ir–Ir bond lengths are 2.82 Å. There are a spread of Ir–P bond distances ranging from 2.39–2.47 Å. In the seventh Ir site, Ir is bonded in a 10-coordinate geometry to four Ca, two equivalent Ir, and four P atoms. There are a spread of Ir–P bond distances ranging from 2.31–2.44 Å. In the eighth Ir site, Ir is bonded in a 12-coordinate geometry to four Ca, four Ir, and four P atoms. Both Ir–Ir bond lengths are 2.79 Å. There are a spread of Ir–P bond distances ranging from 2.37–2.48 Å. There are seven inequivalent P sites. In the first P site, P is bonded in a 9-coordinate geometry to four Ca and five Ir atoms. In the second P site, P is bonded in a 9-coordinate geometry to four Ca and five Ir atoms. In the third P site, P is bonded in a 8-coordinate geometry to four Ca and four Ir atoms. In the fourth P site, P is bonded in a 8-coordinate geometry to four Ca and four Ir atoms. In the fifth P site, P is bonded in a 7-coordinate geometry to three Ca and four Ir atoms. In the sixth P site, P is bonded in a 7-coordinate geometry to three Ca and four Ir atoms. In the seventh P site, P is bonded in a 9-coordinate geometry to four Ca and five Ir atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca4As7Ir8 by Materials Project

Ca4Ir8As7 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. there are four inequivalent Ca sites. In the first Ca site, Ca is bonded in a 1-coordinate geometry to four Ir and seven As atoms. There are a spread of Ca–Ir bond distances ranging from 3.18–3.61 Å. There are a spread of Ca–As bond distances ranging from 2.90–3.58 Å. In the second Ca site, Ca is bonded in a 1-coordinate geometry to six Ir and seven As atoms. There are a spread of Ca–Ir bond distances ranging from 3.18–3.46 Å. There are a spread of Ca–As bond distances ranging from 3.00–3.45 Å. In the third Ca site, Ca is bonded in a 8-coordinate geometry to nine Ir and six As atoms. There are a spread of Ca–Ir bond distances ranging from 3.17–3.40 Å. There are two shorter (3.13 Å) and four longer (3.14 Å) Ca–As bond lengths. In the fourth Ca site, Ca is bonded in a 12-coordinate geometry to nine Ir and six As atoms. There are a spread of Ca–Ir bond distances ranging from 3.15–3.34 Å. There are a spread of Ca–As bond distances ranging from 3.10–3.16 Å. There are eight inequivalent Ir sites. In the first Ir site, Ir is bonded in a 4-coordinate geometry to four As atoms. There are one shorter (2.42 Å) and three longer (2.46 Å) Ir–As bond lengths. In the second Ir site, Ir is bonded in a 4-coordinate geometry to three Ca, two equivalent Ir, and four As atoms. Both Ir–Ir bond lengths are 2.88 Å. There are a spread of Ir–As bond distances ranging from 2.43–2.50 Å. In the third Ir site, Ir is bonded in a 10-coordinate geometry to four Ca, two equivalent Ir, and four As atoms. Both Ir–Ir bond lengths are 2.84 Å. There are a spread of Ir–As bond distances ranging from 2.43–2.49 Å. In the fourth Ir site, Ir is bonded to four Ca, four Ir, and four As atoms to form distorted face-sharing IrCa4As4Ir4 cuboctahedra. There are two shorter (2.85 Å) and two longer (2.86 Å) Ir–Ir bond lengths. There are a spread of Ir–As bond distances ranging from 2.51–2.54 Å. In the fifth Ir site, Ir is bonded in a 9-coordinate geometry to six Ca and three As atoms. There are a spread of Ir–As bond distances ranging from 2.39–2.45 Å. In the sixth Ir site, Ir is bonded to four Ca, four Ir, and four As atoms to form distorted face-sharing IrCa4As4Ir4 cuboctahedra. Both Ir–Ir bond lengths are 2.93 Å. There are a spread of Ir–As bond distances ranging from 2.47–2.57 Å. In the seventh Ir site, Ir is bonded in a 7-coordinate geometry to three Ca, two equivalent Ir, and four As atoms. There are a spread of Ir–As bond distances ranging from 2.42–2.49 Å. In the eighth Ir site, Ir is bonded in a 12-coordinate geometry to four Ca, four Ir, and four As atoms. Both Ir–Ir bond lengths are 2.87 Å. There are a spread of Ir–As bond distances ranging from 2.49–2.53 Å. There are seven inequivalent As sites. In the first As site, As is bonded in a 7-coordinate geometry to three Ca and four Ir atoms. In the second As site, As is bonded in a 7-coordinate geometry to three Ca and four Ir atoms. In the third As site, As is bonded in a 9-coordinate geometry to four Ca and five Ir atoms. In the fourth As site, As is bonded in a 8-coordinate geometry to four Ca and four Ir atoms. In the fifth As site, As is bonded in a 8-coordinate geometry to four Ca and four Ir atoms. In the sixth As site, As is bonded in a 9-coordinate geometry to four Ca and five Ir atoms. In the seventh As site, As is bonded in a 9-coordinate geometry to four Ca and five Ir atoms.

36 MATERIALS SCIENCE↗

Materials Data on CaAlSi by Materials Project

CaAlSi crystallizes in the trigonal P3m1 space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded to six Al and six Si atoms to form a mixture of distorted edge and face-sharing CaAl6Si6 cuboctahedra. There are three shorter (3.41 Å) and three longer (3.43 Å) Ca–Al bond lengths. There are three shorter (3.16 Å) and three longer (3.17 Å) Ca–Si bond lengths. In the second Ca site, Ca is bonded to six Al and six Si atoms to form a mixture of distorted edge and face-sharing CaAl6Si6 cuboctahedra. There are three shorter (3.41 Å) and three longer (3.42 Å) Ca–Al bond lengths. There are three shorter (3.16 Å) and three longer (3.17 Å) Ca–Si bond lengths. In the third Ca site, Ca is bonded to six Al and six Si atoms to form a mixture of edge and face-sharing CaAl6Si6 cuboctahedra. There are three shorter (3.15 Å) and three longer (3.25 Å) Ca–Al bond lengths. There are three shorter (3.24 Å) and three longer (3.39 Å) Ca–Si bond lengths. In the fourth Ca site, Ca is bonded to six Al and six Si atoms to form a mixture of edge and face-sharing CaAl6Si6 cuboctahedra. There are three shorter (3.15 Å) and three longer (3.24 Å) Ca–Al bond lengths. There are three shorter (3.25 Å) and three longer (3.39 Å) Ca–Si bond lengths. In the fifth Ca site, Ca is bonded to six Al and six Si atoms to form a mixture of distorted edge and face-sharing CaAl6Si6 cuboctahedra. There are three shorter (3.09 Å) and three longer (3.10 Å) Ca–Al bond lengths. All Ca–Si bond lengths are 3.35 Å. There are five inequivalent Al sites. In the first Al site, Al is bonded in a 3-coordinate geometry to six Ca and three equivalent Si atoms. All Al–Si bond lengths are 2.46 Å. In the second Al site, Al is bonded in a 3-coordinate geometry to six Ca and three equivalent Si atoms. All Al–Si bond lengths are 2.46 Å. In the third Al site, Al is bonded in a 3-coordinate geometry to six Ca and three equivalent Si atoms. All Al–Si bond lengths are 2.45 Å. In the fourth Al site, Al is bonded in a distorted trigonal planar geometry to six Ca and three equivalent Si atoms. All Al–Si bond lengths are 2.43 Å. In the fifth Al site, Al is bonded in a 3-coordinate geometry to six Ca and three equivalent Si atoms. All Al–Si bond lengths are 2.45 Å. There are five inequivalent Si sites. In the first Si site, Si is bonded in a 3-coordinate geometry to six Ca and three equivalent Al atoms. In the second Si site, Si is bonded in a 3-coordinate geometry to six Ca and three equivalent Al atoms. In the third Si site, Si is bonded in a 3-coordinate geometry to six Ca and three equivalent Al atoms. In the fourth Si site, Si is bonded in a 3-coordinate geometry to six Ca and three equivalent Al atoms. In the fifth Si site, Si is bonded in a distorted trigonal planar geometry to six Ca and three equivalent Al atoms.

36 MATERIALS SCIENCE↗

Materials Data on NaCa2ZrSi2O9 by Materials Project

NaCa2ZrSi2O9 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded in a 5-coordinate geometry to six O atoms. There are a spread of Na–O bond distances ranging from 2.31–2.80 Å. In the second Na site, Na is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Na–O bond distances ranging from 2.34–2.90 Å. There are four inequivalent Ca sites. In the first Ca site, Ca is bonded to seven O atoms to form distorted CaO7 hexagonal pyramids that share a cornercorner with one ZrO6 octahedra, corners with three SiO4 tetrahedra, edges with two equivalent ZrO6 octahedra, and edges with two SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. There are a spread of Ca–O bond distances ranging from 2.29–2.77 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 2.33–2.71 Å. In the third 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 2.33–2.52 Å. In the fourth Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share a cornercorner with one ZrO6 octahedra, corners with five SiO4 tetrahedra, and an edgeedge with one ZrO6 octahedra. The corner-sharing octahedral tilt angles are 53°. There are a spread of Ca–O bond distances ranging from 2.33–2.45 Å. There are two inequivalent Zr sites. In the first Zr site, Zr is bonded to six O atoms to form ZrO6 octahedra that share a cornercorner with one ZrO6 octahedra, corners with five SiO4 tetrahedra, and edges with two equivalent CaO7 hexagonal pyramids. The corner-sharing octahedral tilt angles are 48°. There are a spread of Zr–O bond distances ranging from 2.03–2.27 Å. In the second Zr site, Zr is bonded to six O atoms to form ZrO6 octahedra that share a cornercorner with one CaO7 hexagonal pyramid, a cornercorner with one CaO6 octahedra, a cornercorner with one ZrO6 octahedra, corners with three SiO4 tetrahedra, and an edgeedge with one CaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Zr–O bond distances ranging from 1.98–2.26 Å. There are four 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 CaO7 hexagonal pyramid, a cornercorner with one CaO6 octahedra, a cornercorner with one ZrO6 octahedra, a cornercorner with one SiO4 tetrahedra, and an edgeedge with one CaO7 hexagonal pyramid. The corner-sharing octahedra tilt angles range from 33–44°. There are a spread of Si–O bond distances ranging from 1.61–1.68 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO7 hexagonal pyramid, a cornercorner with one CaO6 octahedra, corners with two ZrO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 43–54°. There are a spread of Si–O bond distances ranging from 1.62–1.68 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO6 octahedra, corners with two equivalent ZrO6 octahedra, a cornercorner with one SiO4 tetrahedra, and an edgeedge with one CaO7 hexagonal pyramid. The corner-sharing octahedra tilt angles range from 31–50°. There are a spread of Si–O bond distances ranging from 1.61–1.67 Å. In the fourth Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share a cornercorner with one CaO7 hexagonal pyramid, corners with two equivalent CaO6 octahedra, corners with three ZrO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–67°. There are a spread of Si–O bond distances ranging from 1.61–1.67 Å. There are eighteen inequivalent O sites. In the first O site, O is bonded in a distorted bent 150 degrees geometry to one Na, one Ca, and two Si atoms. In the second O site, O is bonded in a distorted rectangular see-saw-like geometry to one Na, one Ca, one Zr, and one Si atom. In the third O site, O is bonded in a 3-coordinate geometry to two Ca and one Si atom. In the fourth O site, O is bonded in a 3-coordinate geometry to one Ca, one Zr, and one Si atom. In the fifth O site, O is bonded in a 4-coordinate geometry to one Na, two Ca, and one Si atom. In the sixth O site, O is bonded to two Na, one Ca, and one Zr atom to form distorted ONa2CaZr trigonal pyramids that share a cornercorner with one ONaCaZrSi trigonal pyramid and edges with two ONa2Ca2 tetrahedra. In the seventh O site, O is bonded in a 4-coordinate geometry to two Ca, one Zr, and one Si atom. In the eighth O site, O is bonded in a 2-coordinate geometry to one Na, one Ca, and two Si atoms. In the ninth O site, O is bonded in a 4-coordinate geometry to one Na, two Ca, and one Si atom. In the tenth O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Zr, and one Si atom. In the eleventh O site, O is bonded to one Na, two Ca, and one Zr atom to form ONaCa2Zr tetrahedra that share corners with two equivalent ONa2Ca2 tetrahedra and edges with two ONaCaZrSi trigonal pyramids. In the twelfth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Na, one Ca, and two Zr atoms. In the thirteenth O site, O is bonded in a 4-coordinate geometry to two Ca, one Zr, and one Si atom. In the fourteenth O site, O is bonded in a distorted trigonal planar geometry to one Ca, one Zr, and one Si atom. In the fifteenth O site, O is bonded in a 4-coordinate geometry to one Na, two Ca, and one Si atom. In the sixteenth O site, O is bonded in a 4-coordinate geometry to one Na, one Ca, one Zr, and one Si atom. In the seventeenth O site, O is bonded to one Na, one Ca, one Zr, and one Si atom to form distorted ONaCaZrSi trigonal pyramids that share corners with two equivalent ONa2Ca2 tetrahedra, a cornercorner with one ONa2CaZr trigonal pyramid, and an edgeedge with one ONaCa2Zr tetrahedra. In the eighteenth O site, O is bonded to two Na and two Ca atoms to form ONa2Ca2 tetrahedra that share corners with two equivalent ONaCa2Zr tetrahedra, corners with two equivalent ONaCaZrSi trigonal pyramids, and an edgeedge with one ONa2CaZr trigonal pyramid.

36 MATERIALS SCIENCE↗

Materials Data on Ca6Si3O13 by Materials Project

Ca6Si3O13 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are six inequivalent Ca sites. In the first 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 2.30–2.60 Å. In the second Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with three CaO6 octahedra, corners with four equivalent SiO4 tetrahedra, and an edgeedge with one CaO6 octahedra. The corner-sharing octahedra tilt angles range from 16–78°. There are a spread of Ca–O bond distances ranging from 2.33–2.51 Å. In the third Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with two CaO6 octahedra, corners with five SiO4 tetrahedra, and an edgeedge with one CaO6 octahedra. The corner-sharing octahedra tilt angles range from 16–21°. There are a spread of Ca–O bond distances ranging from 2.29–2.51 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 2.29–2.76 Å. In the fifth Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share corners with three CaO6 octahedra, corners with three SiO4 tetrahedra, an edgeedge with one CaO6 octahedra, and an edgeedge with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 21–78°. There are a spread of Ca–O bond distances ranging from 2.32–2.63 Å. In the sixth Ca site, Ca is bonded in a 7-coordinate geometry to eight O atoms. There are a spread of Ca–O bond distances ranging from 2.30–2.92 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 corners with three equivalent CaO6 octahedra, a cornercorner with one SiO4 tetrahedra, and an edgeedge with one CaO6 octahedra. The corner-sharing octahedra tilt angles range from 48–67°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with three CaO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–68°. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with six CaO6 octahedra. The corner-sharing octahedra tilt angles range from 46–65°. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. There are thirteen inequivalent O sites. In the first O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids. In the second O site, O is bonded in a distorted trigonal non-coplanar geometry to two Ca and one Si atom. In the third O site, O is bonded in a distorted rectangular see-saw-like geometry to three Ca and one Si atom. In the fourth O site, O is bonded in a 5-coordinate geometry to four Ca and one Si atom. In the fifth O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the sixth O site, O is bonded to four Ca atoms to form a mixture of corner and edge-sharing OCa4 trigonal pyramids. In the seventh O site, O is bonded in a 1-coordinate geometry to three Ca and one Si atom. In the eighth O site, O is bonded in a 5-coordinate geometry to five Ca atoms. In the ninth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids. 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 to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids. In the twelfth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids. In the thirteenth O site, O is bonded to three Ca and one Si atom to form a mixture of distorted corner and edge-sharing OCa3Si trigonal pyramids.

36 MATERIALS SCIENCE↗

Materials Data on Ca4Ge3O11 by Materials Project

Ca4Ge3O11 is Esseneite-derived structured and crystallizes in the orthorhombic Ama2 space group. The structure is three-dimensional. there are six inequivalent Ca sites. In the first Ca site, Ca is bonded to seven O atoms to form distorted CaO7 pentagonal bipyramids that share corners with two equivalent GeO4 tetrahedra, edges with four CaO6 octahedra, and edges with two equivalent GeO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.34–2.52 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 2.39–2.90 Å. In the third Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share corners with six GeO4 tetrahedra and edges with four CaO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.35–2.48 Å. In the fourth 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 2.39–2.79 Å. In the fifth Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share a cornercorner with one CaO6 octahedra, corners with five GeO4 tetrahedra, edges with two CaO6 octahedra, and an edgeedge with one CaO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 29°. There are a spread of Ca–O bond distances ranging from 2.25–2.48 Å. In the sixth Ca site, Ca is bonded to six O atoms to form CaO6 octahedra that share a cornercorner with one CaO6 octahedra, corners with five GeO4 tetrahedra, edges with two CaO6 octahedra, and an edgeedge with one CaO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 50°. There are a spread of Ca–O bond distances ranging from 2.33–2.44 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded to four O atoms to form GeO4 tetrahedra that share corners with four CaO6 octahedra and corners with two GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–69°. There are a spread of Ge–O bond distances ranging from 1.74–1.84 Å. In the second Ge site, Ge is bonded to four O atoms to form GeO4 tetrahedra that share corners with four CaO6 octahedra, a cornercorner with one CaO7 pentagonal bipyramid, and a cornercorner with one GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 45–67°. There are a spread of Ge–O bond distances ranging from 1.75–1.81 Å. In the third Ge site, Ge is bonded to four O atoms to form GeO4 tetrahedra that share corners with five CaO6 octahedra, a cornercorner with one GeO4 tetrahedra, and an edgeedge with one CaO7 pentagonal bipyramid. The corner-sharing octahedra tilt angles range from 53–66°. There are a spread of Ge–O bond distances ranging from 1.75–1.82 Å. There are twelve inequivalent O sites. In the first O site, O is bonded to three Ca and one Ge atom to form a mixture of distorted edge and corner-sharing OCa3Ge tetrahedra. In the second O site, O is bonded in a 3-coordinate geometry to two Ca and one Ge atom. In the third O site, O is bonded in a 3-coordinate geometry to one Ca and two Ge atoms. In the fourth O site, O is bonded in a distorted see-saw-like geometry to three Ca and one Ge atom. In the fifth O site, O is bonded in a trigonal non-coplanar geometry to three Ca atoms. In the sixth O site, O is bonded in a trigonal planar geometry to two Ca and one Ge atom. In the seventh O site, O is bonded in a 4-coordinate geometry to four Ca atoms. In the eighth O site, O is bonded to three Ca and one Ge atom to form a mixture of distorted edge and corner-sharing OCa3Ge trigonal pyramids. In the ninth O site, O is bonded in a distorted bent 120 degrees geometry to one Ca and two Ge atoms. In the tenth O site, O is bonded in a distorted rectangular see-saw-like geometry to three Ca and one Ge atom. In the eleventh O site, O is bonded to three Ca and one Ge atom to form a mixture of distorted edge and corner-sharing OCa3Ge tetrahedra. In the twelfth O site, O is bonded in a distorted trigonal non-coplanar geometry to two Ca and one Ge atom.

36 MATERIALS SCIENCE↗

Materials Data on Ca6Ag3Ge5 by Materials Project

Ca6Ag3Ge5 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are six inequivalent Ca sites. In the first Ca site, Ca is bonded in a 8-coordinate geometry to three Ag and five Ge atoms. There are one shorter (3.24 Å) and two longer (3.33 Å) Ca–Ag bond lengths. There are a spread of Ca–Ge bond distances ranging from 3.13–3.23 Å. In the second Ca site, Ca is bonded in a 8-coordinate geometry to two equivalent Ag and six Ge atoms. Both Ca–Ag bond lengths are 3.25 Å. There are a spread of Ca–Ge bond distances ranging from 3.14–3.23 Å. In the third Ca site, Ca is bonded in a 11-coordinate geometry to seven Ag and four Ge atoms. There are a spread of Ca–Ag bond distances ranging from 3.10–3.51 Å. There are two shorter (3.20 Å) and two longer (3.23 Å) Ca–Ge bond lengths. In the fourth Ca site, Ca is bonded in a 11-coordinate geometry to six Ag and five Ge atoms. There are a spread of Ca–Ag bond distances ranging from 3.17–3.47 Å. There are a spread of Ca–Ge bond distances ranging from 3.18–3.39 Å. In the fifth Ca site, Ca is bonded in a 7-coordinate geometry to seven Ge atoms. There are a spread of Ca–Ge bond distances ranging from 3.14–3.22 Å. In the sixth Ca site, Ca is bonded in a 7-coordinate geometry to seven Ge atoms. There are a spread of Ca–Ge bond distances ranging from 3.15–3.22 Å. There are three inequivalent Ag sites. In the first Ag site, Ag is bonded in a 10-coordinate geometry to six Ca, two equivalent Ag, and two Ge atoms. Both Ag–Ag bond lengths are 2.79 Å. There are one shorter (2.68 Å) and one longer (2.77 Å) Ag–Ge bond lengths. In the second Ag site, Ag is bonded in a 10-coordinate geometry to six Ca, one Ag, and three Ge atoms. The Ag–Ag bond length is 3.03 Å. There are two shorter (2.64 Å) and one longer (2.74 Å) Ag–Ge bond lengths. In the third Ag site, Ag is bonded in a 10-coordinate geometry to six Ca, three Ag, and one Ge atom. The Ag–Ge bond length is 2.66 Å. There are five inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to seven Ca and two Ge atoms. Both Ge–Ge bond lengths are 2.59 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to seven Ca and two Ge atoms. The Ge–Ge bond length is 2.59 Å. In the third Ge site, Ge is bonded in a 9-coordinate geometry to seven Ca, one Ag, and one Ge atom. In the fourth Ge site, Ge is bonded in a 9-coordinate geometry to seven Ca, one Ag, and one Ge atom. In the fifth Ge site, Ge is bonded in a 10-coordinate geometry to six Ca and four Ag atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca13Y6F43 by Materials Project

Ca13Y6F43 crystallizes in the trigonal R3 space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 10-coordinate geometry to ten F atoms. There are a spread of Ca–F bond distances ranging from 2.34–2.93 Å. In the second Ca site, Ca is bonded in a 9-coordinate geometry to eight F atoms. There are a spread of Ca–F bond distances ranging from 2.38–2.57 Å. In the third Ca site, Ca is bonded in a body-centered cubic geometry to eight F atoms. There are a spread of Ca–F bond distances ranging from 2.33–2.46 Å. In the fourth Ca site, Ca is bonded in a body-centered cubic geometry to eight F atoms. There are a spread of Ca–F bond distances ranging from 2.32–2.48 Å. In the fifth Ca site, Ca is bonded in a distorted q6 geometry to nine F atoms. There are six shorter (2.48 Å) and three longer (2.54 Å) Ca–F bond lengths. There are two inequivalent Y sites. In the first Y site, Y is bonded in a 8-coordinate geometry to eight F atoms. There are a spread of Y–F bond distances ranging from 2.26–2.40 Å. In the second Y site, Y is bonded in a 9-coordinate geometry to nine F atoms. There are a spread of Y–F bond distances ranging from 2.23–2.48 Å. There are fifteen inequivalent F sites. In the first F site, F is bonded in a 2-coordinate geometry to one Ca and two Y atoms. In the second F site, F is bonded to three Ca and one Y atom to form a mixture of edge and corner-sharing FCa3Y tetrahedra. In the third F site, F is bonded to three Ca and one Y atom to form a mixture of edge and corner-sharing FCa3Y tetrahedra. In the fourth F site, F is bonded to three Ca and one Y atom to form a mixture of edge and corner-sharing FCa3Y tetrahedra. In the fifth F site, F is bonded in a 3-coordinate geometry to one Ca and two Y atoms. In the sixth F site, F is bonded to four Ca atoms to form a mixture of edge and corner-sharing FCa4 tetrahedra. In the seventh F site, F is bonded to four Ca atoms to form a mixture of edge and corner-sharing FCa4 tetrahedra. In the eighth F site, F is bonded to three Ca and one Y atom to form a mixture of edge and corner-sharing FCa3Y tetrahedra. In the ninth F site, F is bonded to three Ca and one Y atom to form a mixture of edge and corner-sharing FCa3Y tetrahedra. In the tenth F site, F is bonded to three Ca and one Y atom to form a mixture of edge and corner-sharing FCa3Y tetrahedra. In the eleventh F site, F is bonded to three Ca and one Y atom to form a mixture of edge and corner-sharing FCa3Y tetrahedra. In the twelfth F site, F is bonded in a trigonal non-coplanar geometry to one Ca and two equivalent Y atoms. In the thirteenth F site, F is bonded to three Ca and one Y atom to form a mixture of edge and corner-sharing FCa3Y tetrahedra. In the fourteenth F site, F is bonded in a 4-coordinate geometry to two Ca and two equivalent Y atoms. In the fifteenth F site, F is bonded in a trigonal non-coplanar geometry to three equivalent Y atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ca16Zr9Ta7N7O41 by Materials Project

Ca16Zr9Ta7N7O41 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are sixteen inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.50 Å. There are a spread of Ca–O bond distances ranging from 2.35–2.98 Å. In the second Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.52 Å. There are a spread of Ca–O bond distances ranging from 2.36–2.90 Å. In the third Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.49 Å. There are a spread of Ca–O bond distances ranging from 2.33–3.00 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to two N3- and six O2- atoms. There are one shorter (2.56 Å) and one longer (2.84 Å) Ca–N bond lengths. There are a spread of Ca–O bond distances ranging from 2.35–3.00 Å. In the fifth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.38 Å. There are a spread of Ca–O bond distances ranging from 2.35–2.94 Å. In the sixth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.37 Å. There are a spread of Ca–O bond distances ranging from 2.43–2.89 Å. In the seventh Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.38 Å. There are a spread of Ca–O bond distances ranging from 2.42–2.95 Å. In the eighth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to two N3- and six O2- atoms. There are one shorter (2.37 Å) and one longer (2.80 Å) Ca–N bond lengths. There are a spread of Ca–O bond distances ranging from 2.37–3.00 Å. In the ninth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.61 Å. There are a spread of Ca–O bond distances ranging from 2.29–2.90 Å. In the tenth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.30–2.87 Å. In the eleventh Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.41 Å. There are a spread of Ca–O bond distances ranging from 2.29–2.89 Å. In the twelfth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.65 Å. There are a spread of Ca–O bond distances ranging from 2.30–2.89 Å. In the thirteenth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.33–2.88 Å. In the fourteenth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.45 Å. There are a spread of Ca–O bond distances ranging from 2.39–2.93 Å. In the fifteenth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.61 Å. There are a spread of Ca–O bond distances ranging from 2.38–2.89 Å. In the sixteenth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to one N3- and seven O2- atoms. The Ca–N bond length is 2.39 Å. There are a spread of Ca–O bond distances ranging from 2.37–2.93 Å. There are nine inequivalent Zr4+ sites. In the first Zr4+ site, Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two TaO6 octahedra and corners with four equivalent ZrNO5 octahedra. The corner-sharing octahedra tilt angles range from 32–39°. There are a spread of Zr–O bond distances ranging from 2.08–2.21 Å. In the second Zr4+ site, Zr4+ is bonded to one N3- and five O2- atoms to form corner-sharing ZrNO5 octahedra. The corner-sharing octahedra tilt angles range from 32–39°. The Zr–N bond length is 2.06 Å. There are a spread of Zr–O bond distances ranging from 2.13–2.22 Å. In the third Zr4+ site, Zr4+ is bonded to one N3- and five O2- atoms to form ZrNO5 octahedra that share corners with two ZrNO5 octahedra and corners with four equivalent TaO6 octahedra. The corner-sharing octahedra tilt angles range from 29–37°. The Zr–N bond length is 2.05 Å. There are a spread of Zr–O bond distances ranging from 2.14–2.20 Å. In the fourth Zr4+ site, Zr4+ is bonded to one N3- and five O2- atoms to form ZrNO5 octahedra that share corners with two ZrNO5 octahedra and corners with four equivalent TaO6 octahedra. The corner-sharing octahedra tilt angles range from 29–37°. The Zr–N bond length is 2.05 Å. There are a spread of Zr–O bond distances ranging from 2.14–2.20 Å. In the fifth Zr4+ site, Zr4+ is bonded to one N3- and five O2- atoms to form ZrNO5 octahedra that share corners with two ZrNO5 octahedra and corners with four equivalent TaNO5 octahedra. The corner-sharing octahedra tilt angles range from 26–35°. The Zr–N bond length is 2.04 Å. There are a spread of Zr–O bond distances ranging from 2.15–2.20 Å. In the sixth Zr4+ site, Zr4+ is bonded to two N3- and four O2- atoms to form ZrN2O4 octahedra that share corners with two ZrNO5 octahedra and corners with four equivalent TaNO5 octahedra. The corner-sharing octahedra tilt angles range from 28–37°. There are one shorter (2.09 Å) and one longer (2.15 Å) Zr–N bond lengths. There are a spread of Zr–O bond distances ranging from 2.15–2.20 Å. In the seventh Zr4+ site, Zr4+ is bonded to two N3- and four O2- atoms to form ZrN2O4 octahedra that share corners with two ZrNO5 octahedra and corners with four equivalent TaNO5 octahedra. The corner-sharing octahedra tilt angles range from 27–37°. There are one shorter (2.06 Å) and one longer (2.16 Å) Zr–N bond lengths. There are a spread of Zr–O bond distances ranging from 2.16–2.19 Å. In the eighth Zr4+ site, Zr4+ is bonded to one N3- and five O2- atoms to form ZrNO5 octahedra that share corners with two ZrN2O4 octahedra and corners with four equivalent TaO6 octahedra. The corner-sharing octahedra tilt angles range from 28–37°. The Zr–N bond length is 2.01 Å. There are a spread of Zr–O bond distances ranging from 2.17–2.21 Å. In the ninth Zr4+ site, Zr4+ is bonded to one N3- and five O2- atoms to form ZrNO5 octahedra that share corners with two ZrNO5 octahedra and corners with four equivalent TaNO5 octahedra. The corner-sharing octahedra tilt angles range from 29–35°. The Zr–N bond length is 2.00 Å. There are a spread of Zr–O bond distances ranging from 2.16–2.21 Å. There are seven inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to one N3- and five O2- atoms to form TaNO5 octahedra that share corners with two TaO6 octahedra and corners with four equivalent ZrNO5 octahedra. The corner-sharing octahedra tilt angles range from 26–35°. The Ta–N bond length is 1.93 Å. There are a spread of Ta–O bond distances ranging from 2.00–2.32 Å. In the second Ta5+ site, Ta5+ is bonded to one N3- and five O2- atoms to form TaNO5 octahedra that share corners with two TaO6 octahedra and corners with four equivalent ZrN2O4 octahedra. The corner-sharing octahedra tilt angles range from 28–34°. The Ta–N bond length is 1.92 Å. There are a spread of Ta–O bond distances ranging from 2.02–2.16 Å. In the third Ta5+ site, Ta5+ is bonded to one N3- and five O2- atoms to form TaNO5 octahedra that share corners with two TaO6 octahedra and corners with four equivalent ZrN2O4 octahedra. The corner-sharing octahedra tilt angles range from 27–35°. The Ta–N bond length is 1.91 Å. There are a spread of Ta–O bond distances ranging from 2.01–2.14 Å. In the fourth Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share a cornercorner with one TaNO5 octahedra and corners with five ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 29–34°. There are a spread of Ta–O bond distances ranging from 1.99–2.05 Å. In the fifth Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share a cornercorner with one TaNO5 octahedra and corners with five ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 29–34°. There are a spread of Ta–O bond distances ranging from 2.00–2.04 Å. In the sixth Ta5+ site, Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two TaNO5 octahedra and corners with four equivalent ZrNO5 octahedra. The corner-sharing octahedra tilt angles range from 28–34°. There are a spread of Ta–O bond distances ranging from 1.99–2.09 Å. In the seventh Ta5+ site, Ta5+ is bonded to one N3- and five O2- atoms to form TaNO5 octahedra that share corners with two TaNO5 octahedra and corners with four equivalent ZrNO5 octahedra. The corner-sharing octahedra tilt angles range from 28–34°. The Ta–N bond length is 2.03 Å. There are a spread of Ta–O bond distances ranging from 1.99–2.15 Å. There are seven inequivalent N3- sites. In the first N3- site, N3- is bonded in a 4-coordinate geometry to two Ca2+ and two Ta5+ atoms. In the second N3- site, N3- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the third N3- site, N3- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the fourth N3- site, N3- is bonded to two Ca2+ and two Zr4+ atoms to form distorted NCa2Zr2 tetrahedra that share corners with four OCa2Zr2 tetrahedra. In the fifth N3- site, N3- is bonded in a 4-coordinate geometry to two Ca2+ and two Zr4+ atoms. In the sixth N3- site, N3- is bonded in a 4-coordinate geometry to two Ca2+ and two Zr4+ atoms. In the seventh N3- site, N3- is bonded in a 4-coordinate geometry to two Ca2+ and two Zr4+ atoms. There are forty-one inequivalent O2- sites. In the first O2- site, O2- is bonded to two Ca2+ and two Zr4+ atoms to form distorted OCa2Zr2 tetrahedra that share a cornercorner with one NCa2Zr2 tetrahedra and corners with two equivalent OCa2ZrTa tetrahedra. In the second O2- site, O2- is bonded in a distorted tetrahedral geometry to two Ca2+ and two Zr4+ atoms. In the third O2- site, O2- is bonded to two Ca2+ and two Zr4+ atoms to form distorted corner-sharing OCa2Zr2 tetrahedra. In the fourth O2- site, O2- is bonded to two Ca2+ and two Zr4+ atoms to form distorted OCa2Zr2 tetrahedra that share a cornercorner with one NCa2Zr2 tetrahedra and corners with two equivalent OCa2Ta2 tetrahedra. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the eighth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+ and two Zr4+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the tenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the eleventh O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the twelfth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the thirteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the fourteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the fifteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the sixteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the seventeenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the eighteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+ and two Zr4+ atoms. In the nineteenth O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+, one Zr4+, and one Ta5+ atom. In the twentieth O2- site, O2-

36 MATERIALS SCIENCE↗

Materials Data on Ca31Sn20 by Materials Project

Ca31Sn20 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. there are seven inequivalent Ca sites. In the first Ca site, Ca is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Ca–Sn bond distances ranging from 3.14–3.48 Å. In the second Ca site, Ca is bonded in a 5-coordinate geometry to five Sn atoms. There are a spread of Ca–Sn bond distances ranging from 3.26–3.68 Å. In the third Ca site, Ca is bonded to four Sn atoms to form distorted CaSn4 tetrahedra that share an edgeedge with one CaSn6 octahedra and an edgeedge with one CaSn4 tetrahedra. There are two shorter (3.28 Å) and two longer (3.29 Å) Ca–Sn bond lengths. In the fourth Ca site, Ca is bonded to six Sn atoms to form distorted CaSn6 octahedra that share an edgeedge with one CaSn6 octahedra and an edgeedge with one CaSn4 tetrahedra. There are a spread of Ca–Sn bond distances ranging from 3.35–3.53 Å. In the fifth Ca site, Ca is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Ca–Sn bond distances ranging from 3.22–3.53 Å. In the sixth Ca site, Ca is bonded in a 4-coordinate geometry to four Sn atoms. There are two shorter (3.06 Å) and two longer (3.30 Å) Ca–Sn bond lengths. In the seventh Ca site, Ca is bonded to four equivalent Sn atoms to form distorted edge-sharing CaSn4 tetrahedra. All Ca–Sn bond lengths are 3.19 Å. There are eight inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to eight Ca and one Sn atom. The Sn–Sn bond length is 3.19 Å. In the second Sn site, Sn is bonded in a 9-coordinate geometry to eight Ca and one Sn atom. The Sn–Sn bond length is 3.13 Å. In the third Sn site, Sn is bonded in a 9-coordinate geometry to eight Ca atoms. In the fourth Sn site, Sn is bonded in a body-centered cubic geometry to eight equivalent Ca atoms. In the fifth Sn site, Sn is bonded in a 10-coordinate geometry to eight equivalent Ca and two equivalent Sn atoms. Both Sn–Sn bond lengths are 3.10 Å. In the sixth Sn site, Sn is bonded in a 10-coordinate geometry to eight Ca and one Sn atom. In the seventh Sn site, Sn is bonded in a 9-coordinate geometry to eight Ca and one Sn atom. In the eighth Sn site, Sn is bonded in a 10-coordinate geometry to ten Ca atoms.

36 MATERIALS SCIENCE↗

Materials Data on BaCa3 by Materials Project

BaCa3 is alpha La-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Ba is bonded to six equivalent Ba and six equivalent Ca atoms to form BaBa6Ca6 cuboctahedra that share corners with six equivalent BaBa6Ca6 cuboctahedra, corners with six equivalent CaCa12 cuboctahedra, edges with six equivalent BaBa6Ca6 cuboctahedra, edges with eighteen CaBa3Ca9 cuboctahedra, faces with six equivalent BaBa6Ca6 cuboctahedra, and faces with twelve equivalent CaBa3Ca9 cuboctahedra. All Ba–Ba bond lengths are 4.02 Å. All Ba–Ca bond lengths are 4.16 Å. There are five inequivalent Ca sites. In the first Ca site, Ca is bonded to three equivalent Ba and nine Ca atoms to form CaBa3Ca9 cuboctahedra that share corners with twelve equivalent CaBa3Ca9 cuboctahedra, edges with six equivalent BaBa6Ca6 cuboctahedra, edges with eighteen CaBa3Ca9 cuboctahedra, faces with six equivalent BaBa6Ca6 cuboctahedra, and faces with twelve CaBa3Ca9 cuboctahedra. There are three shorter (3.88 Å) and six longer (4.02 Å) Ca–Ca bond lengths. In the second Ca site, Ca is bonded to twelve Ca atoms to form CaCa12 cuboctahedra that share corners with six equivalent BaBa6Ca6 cuboctahedra, corners with six equivalent CaCa12 cuboctahedra, edges with six equivalent BaBa6Ca6 cuboctahedra, edges with eighteen CaBa3Ca9 cuboctahedra, and faces with eighteen CaBa3Ca9 cuboctahedra. All Ca–Ca bond lengths are 4.02 Å. In the third Ca site, Ca is bonded to three equivalent Ba and nine Ca atoms to form CaBa3Ca9 cuboctahedra that share corners with seventeen CaBa3Ca9 cuboctahedra, edges with six equivalent BaBa6Ca6 cuboctahedra, edges with sixteen CaBa3Ca9 cuboctahedra, faces with six equivalent BaBa6Ca6 cuboctahedra, and faces with fifteen CaBa3Ca9 cuboctahedra. All Ca–Ba bond lengths are 4.16 Å. There are three shorter (3.88 Å) and six longer (4.02 Å) Ca–Ca bond lengths. In the fourth Ca site, Ca is bonded to sixteen Ca atoms to form CaCa16 cuboctahedra that share corners with six equivalent BaBa6Ca6 cuboctahedra, corners with sixteen CaBa3Ca9 cuboctahedra, edges with six equivalent BaBa6Ca6 cuboctahedra, edges with eighteen CaBa3Ca9 cuboctahedra, and faces with thirty-four CaBa3Ca9 cuboctahedra. There are a spread of Ca–Ca bond distances ranging from 3.88–8.04 Å. In the fifth Ca site, Ca is bonded to three equivalent Ba and nine Ca atoms to form CaBa3Ca9 cuboctahedra that share corners with seventeen CaBa3Ca9 cuboctahedra, edges with six equivalent BaBa6Ca6 cuboctahedra, edges with sixteen CaBa3Ca9 cuboctahedra, faces with six equivalent BaBa6Ca6 cuboctahedra, and faces with fifteen CaCa16 cuboctahedra. All Ca–Ba bond lengths are 4.16 Å. All Ca–Ca bond lengths are 4.02 Å.

36 MATERIALS SCIENCE↗

Materials Data on Ca10Si5(ClO10)2 by Materials Project

Ca10Si5(O10Cl)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are five inequivalent Ca sites. In the first Ca site, Ca is bonded in a 7-coordinate geometry to six O and one Cl atom. There are a spread of Ca–O bond distances ranging from 2.29–2.75 Å. The Ca–Cl bond length is 2.82 Å. In the second Ca site, Ca is bonded to four O and two equivalent Cl atoms to form distorted CaCl2O4 octahedra that share a cornercorner with one CaO7 hexagonal pyramid, a cornercorner with one CaO6 octahedra, corners with four SiO4 tetrahedra, and an edgeedge with one CaCl2O4 octahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Ca–O bond distances ranging from 2.32–2.44 Å. There are one shorter (2.85 Å) and one longer (2.86 Å) Ca–Cl bond lengths. In the third Ca site, Ca is bonded in a 7-coordinate geometry to five O and two equivalent Cl atoms. There are a spread of Ca–O bond distances ranging from 2.32–2.68 Å. There are one shorter (2.91 Å) and one longer (3.03 Å) Ca–Cl bond lengths. In the fourth Ca site, Ca is bonded to six O atoms to form distorted CaO6 octahedra that share a cornercorner with one CaO7 hexagonal pyramid, a cornercorner with one CaCl2O4 octahedra, corners with three SiO4 tetrahedra, edges with three equivalent CaO7 hexagonal pyramids, an edgeedge with one CaO6 octahedra, and an edgeedge with one SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 73°. There are a spread of Ca–O bond distances ranging from 2.29–2.46 Å. In the fifth Ca site, Ca is bonded to seven O atoms to form distorted CaO7 hexagonal pyramids that share corners with two CaCl2O4 octahedra, a cornercorner with one SiO4 tetrahedra, an edgeedge with one CaO7 hexagonal pyramid, edges with three equivalent CaO6 octahedra, and edges with three SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 47–68°. There are a spread of Ca–O bond distances ranging from 2.33–2.75 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 CaO7 hexagonal pyramid, corners with two CaCl2O4 octahedra, a cornercorner with one SiO4 tetrahedra, and an edgeedge with one CaO7 hexagonal pyramid. The corner-sharing octahedra tilt angles range from 45–63°. There are a spread of Si–O bond distances ranging from 1.62–1.69 Å. In the second Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with four CaCl2O4 octahedra, a cornercorner with one SiO4 tetrahedra, and an edgeedge with one CaO7 hexagonal pyramid. The corner-sharing octahedra tilt angles range from 38–75°. There is three shorter (1.63 Å) and one longer (1.69 Å) Si–O bond length. In the third Si site, Si is bonded to four O atoms to form SiO4 tetrahedra that share corners with two equivalent CaCl2O4 octahedra, edges with two equivalent CaO7 hexagonal pyramids, and edges with two equivalent CaO6 octahedra. The corner-sharing octahedral tilt angles are 42°. There is two shorter (1.66 Å) and two longer (1.67 Å) Si–O bond length. There are ten inequivalent O sites. In the first O site, O is bonded to three Ca and one Si atom to form distorted OCa3Si trigonal pyramids that share a cornercorner with one ClCa5 square pyramid, a cornercorner with one OCa3Si trigonal pyramid, and edges with two equivalent OCa3Si tetrahedra. In the second O site, O is bonded in a distorted bent 150 degrees geometry to two Ca and two Si atoms. 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 trigonal non-coplanar geometry to three Ca atoms. In the sixth O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the seventh O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. In the eighth O site, O is bonded to three Ca and one Si atom to form distorted OCa3Si tetrahedra that share corners with two equivalent ClCa5 square pyramids, a cornercorner with one OCa3Si tetrahedra, and edges with two equivalent OCa3Si trigonal pyramids. In the ninth O site, O is bonded in a distorted trigonal planar geometry to two Ca and one Si atom. In the tenth O site, O is bonded in a 4-coordinate geometry to three Ca and one Si atom. Cl is bonded to five Ca atoms to form ClCa5 square pyramids that share corners with two equivalent OCa3Si tetrahedra, a cornercorner with one OCa3Si trigonal pyramid, and edges with two equivalent ClCa5 square pyramids.

36 MATERIALS SCIENCE↗

Materials Data on Sr2Ca2Co3CuO12 by Materials Project

Sr2Ca2Co3CuO12 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are four 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 CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent CuO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.76 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 SrO12 cuboctahedra, faces with two equivalent CuO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.78 Å. In the third Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent CuO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.79 Å. In the fourth Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with six CaO12 cuboctahedra, faces with two equivalent CuO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.69–2.75 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 CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, faces with two equivalent CuO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.67–2.73 Å. In the second Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent CuO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.63–2.72 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 CaO12 cuboctahedra, faces with six SrO12 cuboctahedra, faces with two equivalent CuO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.68–2.75 Å. In the fourth 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 CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, faces with two equivalent CuO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.62–2.74 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 CuO6 octahedra, corners with four CoO6 octahedra, faces with four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.86–1.94 Å. In the second Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with two equivalent CuO6 octahedra, corners with four CoO6 octahedra, faces with four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Co–O bond distances ranging from 1.87–1.95 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 four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Co–O bond distances ranging from 1.89–1.93 Å. Cu is bonded to six O atoms to form CuO6 octahedra that share corners with two equivalent CuO6 octahedra, corners with four CoO6 octahedra, faces with four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–6°. There are a spread of Cu–O bond distances ranging from 1.93–1.97 Å. There are sixteen inequivalent O sites. In the first O site, O is bonded to two Sr, two Ca, one Co, and one Cu atom to form distorted OSr2Ca2CoCu octahedra that share corners with fourteen OSr2Ca2Co2 octahedra, edges with two equivalent OSr2Ca2CoCu octahedra, and faces with six OSr2Ca2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the second O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Co atoms. In the third O site, O is bonded to two Sr, two Ca, one Co, and one Cu atom to form distorted OSr2Ca2CoCu octahedra that share corners with fourteen OSr2Ca2Co2 octahedra, edges with two equivalent OSr2Ca2CoCu octahedra, and faces with six OSr2Ca2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the fourth O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Co atoms. In the fifth O site, O is bonded to three Sr, one Ca, one Co, and one Cu atom to form distorted OSr3CaCoCu octahedra that share corners with sixteen OSr2Ca2Co2 octahedra, edges with four OSr3CaCoCu octahedra, and faces with six OSr2Ca2Cu2 octahedra. The corner-sharing octahedra tilt angles range from 2–62°. In the sixth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, one Co, and one Cu atom. In the seventh O site, O is bonded to three Sr, one Ca, and two Co atoms to form distorted OSr3CaCo2 octahedra that share corners with sixteen OSr2Ca2Cu2 octahedra, edges with four OSr3CaCoCu octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 2–61°. In the eighth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Co atoms. In the ninth O site, O is bonded to two Sr, two Ca, and two equivalent Cu atoms to form distorted OSr2Ca2Cu2 octahedra that share corners with ten OSr2Ca2Cu2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with six OSr2Ca2CoCu octahedra. The corner-sharing octahedra tilt angles range from 0–60°. In the tenth O site, O is bonded to two Sr, two Ca, and two equivalent Cu atoms to form distorted OSr2Ca2Cu2 octahedra that share corners with ten OSr2Ca2Cu2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with six OSr2Ca2CoCu octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the eleventh O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with eighteen OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Cu2 octahedra, and faces with two equivalent OSr3CaCoCu octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the twelfth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with eighteen OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Cu2 octahedra, and faces with two equivalent OSr3CaCoCu octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the thirteenth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with ten OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Cu2 octahedra, and faces with six OSr2Ca2CoCu octahedra. The corner-sharing octahedra tilt angles range from 0–59°. In the fourteenth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with ten OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Cu2 octahedra, and faces with six OSr2Ca2CoCu octahedra. The corner-sharing octahedra tilt angles range from 0–60°. In the fifteenth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with eighteen OSr2Ca2Cu2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with two equivalent OSr3CaCo2 octahedra. The corner-sharing octahedra tilt angles range from 0–62°. In the sixteenth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with eighteen OSr2Ca2Cu2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with two equivalent OSr3CaCo2 octahedra. The corner-sharing octahedra tilt angles range from 1–62°.

36 MATERIALS SCIENCE↗

Materials Data on Sr2Ca2Fe3CoO12 by Materials Project

Sr2Ca2Fe3CoO12 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are four 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 CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent CoO6 octahedra, and faces with six FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.77 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 SrO12 cuboctahedra, faces with two equivalent CoO6 octahedra, and faces with six FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.73–2.78 Å. In the third Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent CoO6 octahedra, and faces with six FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.71–2.77 Å. In the fourth Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with six CaO12 cuboctahedra, faces with two equivalent CoO6 octahedra, and faces with six FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.70–2.77 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 CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, faces with two equivalent CoO6 octahedra, and faces with six FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.67–2.75 Å. In the second Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent CoO6 octahedra, and faces with six FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.66–2.73 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 CaO12 cuboctahedra, faces with six SrO12 cuboctahedra, faces with two equivalent CoO6 octahedra, and faces with six FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.70–2.75 Å. In the fourth 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 CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, faces with two equivalent CoO6 octahedra, and faces with six FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.70–2.74 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 four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.93–1.95 Å. In the second Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with four FeO6 octahedra, faces with four SrO12 cuboctahedra, and faces with four 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 CoO6 octahedra, corners with four FeO6 octahedra, faces with four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.91–1.99 Å. 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 four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–3°. There are a spread of Co–O bond distances ranging from 1.86–1.94 Å. There are sixteen inequivalent O sites. In the first O site, O is bonded to two Sr, two Ca, and two equivalent Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with twelve OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with two equivalent OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°. In the second O site, O is bonded to two Sr, two Ca, and two equivalent Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with ten OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with four OSrCa3FeCo 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 equivalent Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with fourteen OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with two equivalent OSr3CaFe2 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 equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with ten OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with four OSrCa3FeCo octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the fifth O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two equivalent Fe atoms. In the sixth O site, O is bonded to two Sr, two Ca, and two equivalent Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with ten OSr2Ca2Fe2 octahedra, edges with two equivalent OSr2Ca2Co2 octahedra, and faces with four OSrCa3FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–60°. In the seventh O site, O is bonded to two Sr, two Ca, and two equivalent Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with fourteen OSr2Ca2Fe2 octahedra, edges with two equivalent OSr2Ca2Co2 octahedra, and faces with two equivalent OSr3CaFe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. In the eighth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with six OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with four OSrCa3FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–60°. 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 twelve OSr2Ca2Fe2 octahedra, edges with four OSr3CaFe2 octahedra, and faces with three OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–61°. 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 twelve OSr2Ca2Fe2 octahedra, edges with four OSr3CaFe2 octahedra, and faces with four 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 one Sr, three Ca, and two Fe atoms. In the twelfth 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 eight OSr2Ca2Fe2 octahedra, edges with two equivalent OSrCa3FeCo octahedra, and faces with four OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 0–61°. In the thirteenth O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Fe atoms. In the fourteenth O site, O is bonded in a distorted linear geometry to two Sr, two Ca, and two Fe atoms. In the fifteenth O site, O is bonded in a distorted linear geometry to two Sr, two Ca, one Fe, and one Co atom. In the sixteenth O site, O is bonded in a distorted linear geometry to two Sr, two Ca, one Fe, and one Co atom.

36 MATERIALS SCIENCE↗

Materials Data on Sr2Ca2Fe(CoO4)3 by Materials Project

Sr2Ca2Fe(CoO4)3 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are four 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 CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent FeO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.66–2.77 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 SrO12 cuboctahedra, faces with two equivalent FeO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.72–2.79 Å. In the third Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent FeO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.71–2.79 Å. In the fourth Sr site, Sr is bonded to twelve O atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight SrO12 cuboctahedra, faces with six CaO12 cuboctahedra, faces with two equivalent FeO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.69–2.77 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 CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, faces with two equivalent FeO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.62–2.79 Å. In the second Ca site, Ca is bonded to twelve O atoms to form CaO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four CaO12 cuboctahedra, faces with two equivalent FeO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.56–2.78 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 CaO12 cuboctahedra, faces with six SrO12 cuboctahedra, faces with two equivalent FeO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.63–2.79 Å. In the fourth 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 CaO12 cuboctahedra, faces with four SrO12 cuboctahedra, faces with two equivalent FeO6 octahedra, and faces with six CoO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.55–2.80 Å. 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 four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Fe–O bond distances ranging from 1.90–2.01 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 FeO6 octahedra, corners with four CoO6 octahedra, faces with four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are a spread of Co–O bond distances ranging from 1.80–2.04 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 CoO6 octahedra, faces with four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Co–O bond distances ranging from 1.80–1.96 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 four SrO12 cuboctahedra, and faces with four CaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–8°. There are a spread of Co–O bond distances ranging from 1.80–2.01 Å. There are sixteen 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 OSr2Ca2FeCo octahedra, and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–64°. 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 OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2FeCo octahedra, and faces with five OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–62°. 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 OSr2Ca2Co2 octahedra, edges with four OSr2Ca2FeCo octahedra, and faces with five OSr2Ca2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 1–64°. 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 five OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–62°. In the fifth O site, O is bonded in a distorted linear geometry to three Sr, one 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, one Fe, and one Co atom. In the seventh O site, O is bonded to three Sr, one Ca, and two Co atoms to form distorted OSr3CaCo2 octahedra that share corners with sixteen OSr2Ca2Fe2 octahedra, edges with two equivalent OSr3CaCo2 octahedra, and faces with eight OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 58–62°. In the eighth O site, O is bonded in a distorted linear geometry to one Sr, three Ca, and two Co atoms. In the ninth O site, O is bonded to two Sr, two Ca, and two equivalent Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with eighteen OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with four OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 0–62°. In the tenth O site, O is bonded to two Sr, two Ca, and two equivalent Fe atoms to form distorted OSr2Ca2Fe2 octahedra that share corners with eighteen OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with four OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 1–62°. In the eleventh O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with eighteen OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with four OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–64°. In the twelfth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with eighteen OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with four OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–64°. In the thirteenth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with fourteen OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Fe2 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 to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with fourteen OSr2Ca2Co2 octahedra, edges with four OSr2Ca2Fe2 octahedra, and faces with six OSr2Ca2FeCo octahedra. The corner-sharing octahedra tilt angles range from 0–62°. In the fifteenth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with fourteen OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°. In the sixteenth O site, O is bonded to two Sr, two Ca, and two equivalent Co atoms to form distorted OSr2Ca2Co2 octahedra that share corners with fourteen OSr2Ca2Fe2 octahedra, edges with four OSr2Ca2Co2 octahedra, and faces with six OSr2Ca2Co2 octahedra. The corner-sharing octahedra tilt angles range from 1–60°.

36 MATERIALS SCIENCE↗