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Materials Data on Al2P2NO8 by Materials Project

(AlPO4)4N2 is quartz (alpha)-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional and consists of eight ammonia molecules and one AlPO4 framework. In the AlPO4 framework, there are two inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. There is one shorter (1.75 Å) and three longer (1.76 Å) Al–O bond length. In the second Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.75–1.77 Å. There are two inequivalent P+4.50+ sites. In the first P+4.50+ site, P+4.50+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four AlO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.53–1.55 Å. In the second P+4.50+ site, P+4.50+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four AlO4 tetrahedra. There is one shorter (1.53 Å) and three longer (1.54 Å) P–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P+4.50+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P+4.50+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P+4.50+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P+4.50+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P+4.50+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Al3+ and one P+4.50+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Al3+ and one P+4.50+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P+4.50+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CeSe2 by Materials Project

CeSe2 is quartz (alpha)-like structured and crystallizes in the orthorhombic C222_1 space group. The structure is three-dimensional. Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are one shorter (2.72 Å) and three longer (2.73 Å) Ce–Se bond lengths. There are three inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a bent 150 degrees geometry to two equivalent Ce4+ atoms. In the second Se2- site, Se2- is bonded in a bent 150 degrees geometry to two equivalent Ce4+ atoms. In the third Se2- site, Se2- is bonded in a bent 120 degrees geometry to two equivalent Ce4+ atoms.

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Materials Data on Al2Si2H8N2O9 by Materials Project

(AlSiO4)4(NH4)4O2 is quartz (alpha)-derived structured and crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional and consists of eight ammonium molecules, four water molecules, and one AlSiO4 framework. In the AlSiO4 framework, there are two inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.74–1.79 Å. In the second Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.73–1.78 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four AlO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.65 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four AlO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.61–1.66 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CeSe2 by Materials Project

CeSe2 is quartz (alpha) structured and crystallizes in the trigonal P3_121 space group. The structure is three-dimensional. Ce4+ is bonded to four equivalent Se2- atoms to form corner-sharing CeSe4 tetrahedra. All Ce–Se bond lengths are 2.73 Å. Se2- is bonded in a bent 120 degrees geometry to two equivalent Ce4+ atoms.

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Materials Data on SiO2 by Materials Project

SiO2 is quartz (beta)-like structured and crystallizes in the cubic I-43m space group. The structure is three-dimensional. Si4+ is bonded to four equivalent O2- atoms to form corner-sharing SiO4 tetrahedra. All Si–O bond lengths are 1.62 Å. O2- is bonded in a bent 150 degrees geometry to two equivalent Si4+ atoms.

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Materials Data on SiO2 by Materials Project

SiO2 is quartz (alpha)-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eighteen inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is three shorter (1.65 Å) and one longer (1.66 Å) Si–O bond length. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. In the fifth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. In the sixth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. In the seventh Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the eighth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the ninth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the tenth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. In the eleventh Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is one shorter (1.65 Å) and three longer (1.66 Å) Si–O bond length. In the twelfth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. In the thirteenth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the fourteenth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the fifteenth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the sixteenth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. In the seventeenth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.64–1.66 Å. In the eighteenth Si4+ site, Si4+ is bonded to four O2- atoms to form distorted corner-sharing SiO4 tetrahedra. There is two shorter (1.65 Å) and two longer (1.66 Å) Si–O bond length. There are thirty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the thirteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the fourteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the fifteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the sixteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the eighteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the nineteenth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twentieth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-first O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-second O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-seventh O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-eighth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the twenty-ninth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the thirtieth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the thirty-first O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the thirty-second O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the thirty-third O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the thirty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the thirty-fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the thirty-sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms.

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Materials Data on BeO2 by Materials Project

BeO2 is quartz (alpha)-like structured and crystallizes in the monoclinic P2_1 space group. The structure is two-dimensional and consists of one BeO2 sheet oriented in the (0, 0, 1) direction. there are six inequivalent Be sites. In the first Be site, Be is bonded to four O atoms to form corner-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.57–1.62 Å. In the second Be site, Be is bonded to four O atoms to form corner-sharing BeO4 tetrahedra. There is two shorter (1.58 Å) and two longer (1.62 Å) Be–O bond length. In the third Be site, Be is bonded to four O atoms to form corner-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.57–1.62 Å. In the fourth Be site, Be is bonded to four O atoms to form corner-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.58–1.63 Å. In the fifth Be site, Be is bonded to four O atoms to form corner-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.58–1.62 Å. In the sixth Be site, Be is bonded to four O atoms to form corner-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.58–1.62 Å. There are twelve inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to two Be atoms. In the second O site, O is bonded in a bent 150 degrees geometry to two Be atoms. In the third O site, O is bonded in a bent 150 degrees geometry to two Be atoms. In the fourth O site, O is bonded in a bent 150 degrees geometry to two Be atoms. In the fifth O site, O is bonded in a bent 150 degrees geometry to two equivalent Be atoms. In the sixth O site, O is bonded in a bent 150 degrees geometry to two Be atoms. In the seventh O site, O is bonded in a distorted bent 120 degrees geometry to two Be atoms. In the eighth O site, O is bonded in a bent 150 degrees geometry to two Be atoms. In the ninth O site, O is bonded in a bent 150 degrees geometry to two equivalent Be atoms. In the tenth O site, O is bonded in a bent 150 degrees geometry to two Be atoms. In the eleventh O site, O is bonded in a bent 150 degrees geometry to two Be atoms. In the twelfth O site, O is bonded in a bent 120 degrees geometry to two Be atoms.

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Materials Data on GeO2 by Materials Project

GeO2 is quartz (alpha)-like structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded to four O2- atoms to form corner-sharing GeO4 tetrahedra. There are a spread of Ge–O bond distances ranging from 1.73–1.77 Å. In the second Ge4+ site, Ge4+ is bonded to four O2- atoms to form corner-sharing GeO4 tetrahedra. There is one shorter (1.75 Å) and three longer (1.76 Å) Ge–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two equivalent Ge4+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Ge4+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two Ge4+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two Ge4+ atoms. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two Ge4+ atoms.

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Materials Data on CeSe2 by Materials Project

CeSe2 is quartz (beta) structured and crystallizes in the trigonal P3_221 space group. The structure is three-dimensional. Ce4+ is bonded to four equivalent Se2- atoms to form corner-sharing CeSe4 tetrahedra. All Ce–Se bond lengths are 2.71 Å. Se2- is bonded in a linear geometry to two equivalent Ce4+ atoms.

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Materials Data on Al2Si3H8(NO5)2 by Materials Project

Al2Si3O10(NH4)2 is quartz (alpha)-derived structured and crystallizes in the orthorhombic Fdd2 space group. The structure is three-dimensional and consists of sixteen ammonium molecules and one Al2Si3O10 framework. In the Al2Si3O10 framework, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four SiO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.75–1.78 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two equivalent AlO4 tetrahedra and corners with two equivalent SiO4 tetrahedra. There is two shorter (1.63 Å) and two longer (1.64 Å) Si–O bond length. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one SiO4 tetrahedra and corners with three equivalent AlO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.66 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Al3+ and one Si4+ atom.

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Materials Data on CeSe2 by Materials Project

CeSe2 is quartz (alpha)-like structured and crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. All Ce–Se bond lengths are 2.72 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a bent 150 degrees geometry to two equivalent Ce4+ atoms. In the second Se2- site, Se2- is bonded in a bent 150 degrees geometry to two equivalent Ce4+ atoms.

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Materials Data on PN2 by Materials Project

PN2 is quartz (alpha)-like structured and crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. P5+ is bonded to four N+2.50- atoms to form corner-sharing PN4 tetrahedra. All P–N bond lengths are 1.61 Å. There are two inequivalent N+2.50- sites. In the first N+2.50- site, N+2.50- is bonded in a bent 150 degrees geometry to two equivalent P5+ atoms. In the second N+2.50- site, N+2.50- is bonded in a bent 150 degrees geometry to two equivalent P5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on CeSe2 by Materials Project

CeSe2 is quartz (alpha)-like structured and crystallizes in the tetragonal I-42d space group. The structure is three-dimensional. Ce4+ is bonded to four equivalent Se2- atoms to form distorted corner-sharing CeSe4 tetrahedra. All Ce–Se bond lengths are 2.72 Å. Se2- is bonded in a bent 150 degrees geometry to two equivalent Ce4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on CrN2 by Materials Project

CrN2 is quartz (alpha)-like structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent Cr6+ sites. In the first Cr6+ site, Cr6+ is bonded to four N3- atoms to form corner-sharing CrN4 tetrahedra. There are a spread of Cr–N bond distances ranging from 1.68–1.82 Å. In the second Cr6+ site, Cr6+ is bonded to four N3- atoms to form corner-sharing CrN4 tetrahedra. There are a spread of Cr–N bond distances ranging from 1.67–1.79 Å. There are four inequivalent N3- sites. In the first N3- site, N3- is bonded in a bent 120 degrees geometry to two Cr6+ atoms. In the second N3- site, N3- is bonded in a bent 150 degrees geometry to two Cr6+ atoms. In the third N3- site, N3- is bonded in a distorted bent 120 degrees geometry to two Cr6+ atoms. In the fourth N3- site, N3- is bonded in a bent 150 degrees geometry to two Cr6+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on BeO2 by Materials Project

BeO2 is quartz (alpha)-like structured and crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Be is bonded to four O atoms to form corner-sharing BeO4 tetrahedra. There is two shorter (1.59 Å) and two longer (1.60 Å) Be–O bond length. There are two inequivalent O sites. In the first O site, O is bonded in a bent 150 degrees geometry to two equivalent Be atoms. In the second O site, O is bonded in a bent 150 degrees geometry to two equivalent Be atoms.

36 MATERIALS SCIENCE↗

Materials Data on CeSe2 by Materials Project

CeSe2 is quartz (alpha)-like structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are eight inequivalent Ce4+ sites. In the first Ce4+ site, Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are two shorter (2.73 Å) and two longer (2.74 Å) Ce–Se bond lengths. In the second Ce4+ site, Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are two shorter (2.73 Å) and two longer (2.74 Å) Ce–Se bond lengths. In the third Ce4+ site, Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are two shorter (2.73 Å) and two longer (2.74 Å) Ce–Se bond lengths. In the fourth Ce4+ site, Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are two shorter (2.73 Å) and two longer (2.74 Å) Ce–Se bond lengths. In the fifth Ce4+ site, Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are one shorter (2.73 Å) and three longer (2.74 Å) Ce–Se bond lengths. In the sixth Ce4+ site, Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are two shorter (2.73 Å) and two longer (2.74 Å) Ce–Se bond lengths. In the seventh Ce4+ site, Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are two shorter (2.73 Å) and two longer (2.74 Å) Ce–Se bond lengths. In the eighth Ce4+ site, Ce4+ is bonded to four Se2- atoms to form corner-sharing CeSe4 tetrahedra. There are three shorter (2.73 Å) and one longer (2.74 Å) Ce–Se bond lengths. There are sixteen inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a distorted bent 150 degrees geometry to two Ce4+ atoms. In the second Se2- site, Se2- is bonded in a distorted bent 150 degrees geometry to two Ce4+ atoms. In the third Se2- site, Se2- is bonded in a distorted bent 150 degrees geometry to two Ce4+ atoms. In the fourth Se2- site, Se2- is bonded in a distorted bent 150 degrees geometry to two Ce4+ atoms. In the fifth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the sixth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the seventh Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the eighth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the ninth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the tenth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the eleventh Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the twelfth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the thirteenth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the fourteenth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the fifteenth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms. In the sixteenth Se2- site, Se2- is bonded in a bent 150 degrees geometry to two Ce4+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on AlCoP2NO8 by Materials Project

(CoAl(PO4)2)2N2 is quartz (alpha)-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional and consists of four ammonia molecules and one CoAl(PO4)2 framework. In the CoAl(PO4)2 framework, there are four inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four PO4 tetrahedra. There is one shorter (1.83 Å) and three longer (1.85 Å) Co–O bond length. In the second Co2+ site, Co2+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four PO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.83–1.87 Å. In the third Co2+ site, Co2+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four PO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.83–1.86 Å. In the fourth Co2+ site, Co2+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four PO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.84–1.87 Å. There are four inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.74–1.77 Å. In the second Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.75–1.78 Å. In the third Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. There are a spread of Al–O bond distances ranging from 1.75–1.77 Å. In the fourth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. There is three shorter (1.76 Å) and one longer (1.77 Å) Al–O bond length. There are eight inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two CoO4 tetrahedra and corners with two AlO4 tetrahedra. There is three shorter (1.54 Å) and one longer (1.55 Å) P–O bond length. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one CoO4 tetrahedra and corners with three AlO4 tetrahedra. All P–O bond lengths are 1.54 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one CoO4 tetrahedra and corners with three AlO4 tetrahedra. There is three shorter (1.54 Å) and one longer (1.55 Å) P–O bond length. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two CoO4 tetrahedra and corners with two AlO4 tetrahedra. All P–O bond lengths are 1.54 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one AlO4 tetrahedra and corners with three CoO4 tetrahedra. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one AlO4 tetrahedra and corners with three CoO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.53–1.56 Å. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two CoO4 tetrahedra and corners with two AlO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the eighth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two CoO4 tetrahedra and corners with two AlO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.53–1.56 Å. There are thirty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Co2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Al3+ and one P5+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Al3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Co2+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Al3+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a bent 120 degrees geometry to one Co2+ and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a bent 120 degrees geometry to one Co2+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Co2+ and one P5+ atom. In the twenty-fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the twenty-sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the twenty-seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the twenty-eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the twenty-ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the thirtieth O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the thirty-first O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom. In the thirty-second O2- site, O2- is bonded in a bent 150 degrees geometry to one Co2+ and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Al2Fe(PO4)3 by Materials Project

FeAl2(PO4)3 is quartz (alpha)-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with four PO4 tetrahedra. There is one shorter (1.87 Å) and three longer (1.88 Å) Fe–O bond length. In the second Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with four PO4 tetrahedra. All Fe–O bond lengths are 1.88 Å. There are four inequivalent Al3+ sites. In the first Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. All Al–O bond lengths are 1.76 Å. In the second Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. All Al–O bond lengths are 1.75 Å. In the third Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. All Al–O bond lengths are 1.75 Å. In the fourth Al3+ site, Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with four PO4 tetrahedra. All Al–O bond lengths are 1.76 Å. There are six inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one FeO4 tetrahedra and corners with three AlO4 tetrahedra. All P–O bond lengths are 1.54 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one FeO4 tetrahedra and corners with three AlO4 tetrahedra. All P–O bond lengths are 1.54 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two FeO4 tetrahedra and corners with two equivalent AlO4 tetrahedra. All P–O bond lengths are 1.54 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four AlO4 tetrahedra. All P–O bond lengths are 1.54 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent FeO4 tetrahedra and corners with two AlO4 tetrahedra. All P–O bond lengths are 1.54 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent FeO4 tetrahedra and corners with two AlO4 tetrahedra. All P–O bond lengths are 1.54 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Al3+ and one P5+ atom.

36 MATERIALS SCIENCE↗