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DOE OSTI2020

Materials Data on Zn4FeCu10(SnSe4)5 by Materials Project

FeCu10Zn4(SnSe4)5 is Clathrate-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Fe3+ is bonded to four Se2- atoms to form FeSe4 tetrahedra that share corners with four equivalent SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are two shorter (2.44 Å) and two longer (2.45 Å) Fe–Se bond lengths. There are five inequivalent Cu+1.10+ sites. In the first Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share a cornercorner with one FeSe4 tetrahedra, corners with three equivalent ZnSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.43–2.45 Å. In the second Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share a cornercorner with one FeSe4 tetrahedra, corners with three ZnSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.43–2.45 Å. In the third Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with four CuSe4 tetrahedra, corners with four ZnSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are two shorter (2.43 Å) and two longer (2.44 Å) Cu–Se bond lengths. In the fourth Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with four CuSe4 tetrahedra, corners with four ZnSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are two shorter (2.43 Å) and two longer (2.44 Å) Cu–Se bond lengths. In the fifth Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with two equivalent FeSe4 tetrahedra, corners with two ZnSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.43–2.46 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four Se2- atoms to form ZnSe4 tetrahedra that share corners with four SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are three shorter (2.50 Å) and one longer (2.51 Å) Zn–Se bond lengths. In the second Zn2+ site, Zn2+ is bonded to four Se2- atoms to form ZnSe4 tetrahedra that share corners with four SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. All Zn–Se bond lengths are 2.50 Å. There are three inequivalent Sn+3.60+ sites. In the first Sn+3.60+ site, Sn+3.60+ is bonded to four Se2- atoms to form SnSe4 tetrahedra that share corners with four ZnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are three shorter (2.62 Å) and one longer (2.63 Å) Sn–Se bond lengths. In the second Sn+3.60+ site, Sn+3.60+ is bonded to four Se2- atoms to form SnSe4 tetrahedra that share corners with four equivalent ZnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are two shorter (2.62 Å) and two longer (2.63 Å) Sn–Se bond lengths. In the third Sn+3.60+ site, Sn+3.60+ is bonded to four Se2- atoms to form SnSe4 tetrahedra that share corners with two equivalent FeSe4 tetrahedra, corners with two equivalent ZnSe4 tetrahedra, and corners with eight CuSe4 tetrahedra. There are a spread of Sn–Se bond distances ranging from 2.63–2.65 Å. There are ten inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to two Cu+1.10+, one Zn2+, and one Sn+3.60+ atom to form corner-sharing SeZnCu2Sn tetrahedra. In the second Se2- site, Se2- is bonded to two Cu+1.10+, one Zn2+, and one Sn+3.60+ atom to form corner-sharing SeZnCu2Sn tetrahedra. In the third Se2- site, Se2- is bonded to one Fe3+, two Cu+1.10+, and one Sn+3.60+ atom to form corner-sharing SeFeCu2Sn tetrahedra. In the fourth Se2- site, Se2- is bonded to two Cu+1.10+, one Zn2+, and one Sn+3.60+ atom to form corner-sharing SeZnCu2Sn tetrahedra. In the fifth Se2- site, Se2- is bonded to two equivalent Cu+1.10+, one Zn2+, and one Sn+3.60+ atom to form corner-sharing SeZnCu2Sn tetrahedra. In the sixth Se2- site, Se2- is bonded to two equivalent Cu+1.10+, one Zn2+, and one Sn+3.60+ atom to form corner-sharing SeZnCu2Sn tetrahedra. In the seventh Se2- site, Se2- is bonded to two Cu+1.10+, one Zn2+, and one Sn+3.60+ atom to form corner-sharing SeZnCu2Sn tetrahedra. In the eighth Se2- site, Se2- is bonded to two Cu+1.10+, one Zn2+, and one Sn+3.60+ atom to form corner-sharing SeZnCu2Sn tetrahedra. In the ninth Se2- site, Se2- is bonded to two Cu+1.10+, one Zn2+, and one Sn+3.60+ atom to form corner-sharing SeZnCu2Sn tetrahedra. In the tenth Se2- site, Se2- is bonded to one Fe3+, two Cu+1.10+, and one Sn+3.60+ atom to form corner-sharing SeFeCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CdFe4Cu10(SnSe4)5 by Materials Project

Fe4Cu10Cd(SnSe4)5 is Clathrate-derived structured and crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. Fe3+ is bonded to four Se2- atoms to form FeSe4 tetrahedra that share corners with four SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are one shorter (2.42 Å) and three longer (2.43 Å) Fe–Se bond lengths. There are four inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share a cornercorner with one CdSe4 tetrahedra, corners with three equivalent FeSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.41–2.45 Å. In the second Cu1+ site, Cu1+ is bonded to four equivalent Se2- atoms to form CuSe4 tetrahedra that share corners with four equivalent FeSe4 tetrahedra, corners with four equivalent CuSe4 tetrahedra, and corners with four equivalent SnSe4 tetrahedra. All Cu–Se bond lengths are 2.45 Å. In the third Cu1+ site, Cu1+ is bonded to four equivalent Se2- atoms to form CuSe4 tetrahedra that share corners with four equivalent FeSe4 tetrahedra, corners with four equivalent CuSe4 tetrahedra, and corners with four equivalent SnSe4 tetrahedra. All Cu–Se bond lengths are 2.45 Å. In the fourth Cu1+ site, Cu1+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share a cornercorner with one CdSe4 tetrahedra, corners with three equivalent FeSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.42–2.45 Å. Cd2+ is bonded to four equivalent Se2- atoms to form CdSe4 tetrahedra that share corners with four equivalent SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. All Cd–Se bond lengths are 2.65 Å. There are two inequivalent Sn+3.20+ sites. In the first Sn+3.20+ site, Sn+3.20+ is bonded to four equivalent Se2- atoms to form SnSe4 tetrahedra that share corners with four equivalent FeSe4 tetrahedra and corners with eight CuSe4 tetrahedra. All Sn–Se bond lengths are 2.67 Å. In the second Sn+3.20+ site, Sn+3.20+ is bonded to four Se2- atoms to form SnSe4 tetrahedra that share a cornercorner with one CdSe4 tetrahedra, corners with three equivalent FeSe4 tetrahedra, and corners with eight CuSe4 tetrahedra. There are a spread of Sn–Se bond distances ranging from 2.63–2.66 Å. There are five inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to one Fe3+, two Cu1+, and one Sn+3.20+ atom to form corner-sharing SeFeCu2Sn tetrahedra. In the second Se2- site, Se2- is bonded to one Fe3+, two Cu1+, and one Sn+3.20+ atom to form corner-sharing SeFeCu2Sn tetrahedra. In the third Se2- site, Se2- is bonded to two Cu1+, one Cd2+, and one Sn+3.20+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the fourth Se2- site, Se2- is bonded to one Fe3+, two Cu1+, and one Sn+3.20+ atom to form corner-sharing SeFeCu2Sn tetrahedra. In the fifth Se2- site, Se2- is bonded to one Fe3+, two Cu1+, and one Sn+3.20+ atom to form corner-sharing SeFeCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnFe2Cu6(SnS4)3 by Materials Project

Fe2Cu6Zn(SnS4)3 is Clathrate-derived structured and crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. Fe3+ is bonded to four S2- atoms to form FeS4 tetrahedra that share corners with four SnS4 tetrahedra and corners with eight CuS4 tetrahedra. All Fe–S bond lengths are 2.30 Å. There are four inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with four equivalent FeS4 tetrahedra, corners with four CuS4 tetrahedra, and corners with four SnS4 tetrahedra. All Cu–S bond lengths are 2.32 Å. In the second Cu1+ site, Cu1+ is bonded to four equivalent S2- atoms to form CuS4 tetrahedra that share corners with four equivalent CuS4 tetrahedra, corners with four equivalent ZnS4 tetrahedra, and corners with four equivalent SnS4 tetrahedra. All Cu–S bond lengths are 2.30 Å. In the third Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with two equivalent FeS4 tetrahedra, corners with two equivalent ZnS4 tetrahedra, corners with four CuS4 tetrahedra, and corners with four equivalent SnS4 tetrahedra. There are two shorter (2.30 Å) and two longer (2.32 Å) Cu–S bond lengths. In the fourth Cu1+ site, Cu1+ is bonded to four equivalent S2- atoms to form CuS4 tetrahedra that share corners with four equivalent FeS4 tetrahedra, corners with four equivalent CuS4 tetrahedra, and corners with four equivalent SnS4 tetrahedra. All Cu–S bond lengths are 2.31 Å. Zn2+ is bonded to four equivalent S2- atoms to form ZnS4 tetrahedra that share corners with four equivalent SnS4 tetrahedra and corners with eight CuS4 tetrahedra. All Zn–S bond lengths are 2.35 Å. There are two inequivalent Sn+3.33+ sites. In the first Sn+3.33+ site, Sn+3.33+ is bonded to four S2- atoms to form SnS4 tetrahedra that share corners with two equivalent FeS4 tetrahedra, corners with two equivalent ZnS4 tetrahedra, and corners with eight CuS4 tetrahedra. There are two shorter (2.47 Å) and two longer (2.48 Å) Sn–S bond lengths. In the second Sn+3.33+ site, Sn+3.33+ is bonded to four equivalent S2- atoms to form SnS4 tetrahedra that share corners with four equivalent FeS4 tetrahedra and corners with eight CuS4 tetrahedra. All Sn–S bond lengths are 2.49 Å. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded to one Fe3+, two Cu1+, and one Sn+3.33+ atom to form corner-sharing SFeCu2Sn tetrahedra. In the second S2- site, S2- is bonded to one Fe3+, two Cu1+, and one Sn+3.33+ atom to form corner-sharing SFeCu2Sn tetrahedra. In the third S2- site, S2- is bonded to two Cu1+, one Zn2+, and one Sn+3.33+ atom to form corner-sharing SZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Si by Materials Project

Si is Clathrate-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are seven inequivalent Si sites. In the first Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. There are a spread of Si–Si bond distances ranging from 2.37–2.40 Å. In the second Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. There are one shorter (2.34 Å) and one longer (2.37 Å) Si–Si bond lengths. In the third Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. All Si–Si bond lengths are 2.37 Å. In the fourth Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. The Si–Si bond length is 2.33 Å. In the fifth Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. The Si–Si bond length is 2.40 Å. In the sixth Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. Both Si–Si bond lengths are 2.37 Å. In the seventh Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn2Cu10Sn5Hg3S20 by Materials Project

Cu10Hg3Zn2Sn5S20 is Clathrate-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are five inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with four CuS4 tetrahedra, corners with four HgS4 tetrahedra, and corners with four SnS4 tetrahedra. There are two shorter (2.30 Å) and two longer (2.31 Å) Cu–S bond lengths. In the second Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share a cornercorner with one ZnS4 tetrahedra, corners with three equivalent HgS4 tetrahedra, corners with four CuS4 tetrahedra, and corners with four SnS4 tetrahedra. There are a spread of Cu–S bond distances ranging from 2.30–2.34 Å. In the third Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with four CuS4 tetrahedra, corners with four HgS4 tetrahedra, and corners with four equivalent SnS4 tetrahedra. All Cu–S bond lengths are 2.30 Å. In the fourth Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share a cornercorner with one HgS4 tetrahedra, corners with three equivalent ZnS4 tetrahedra, corners with four CuS4 tetrahedra, and corners with four SnS4 tetrahedra. There are a spread of Cu–S bond distances ranging from 2.32–2.35 Å. In the fifth Cu1+ site, Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with four CuS4 tetrahedra, corners with four equivalent ZnS4 tetrahedra, and corners with four SnS4 tetrahedra. All Cu–S bond lengths are 2.35 Å. There are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to four S2- atoms to form HgS4 tetrahedra that share corners with four SnS4 tetrahedra and corners with eight CuS4 tetrahedra. There are two shorter (2.58 Å) and two longer (2.59 Å) Hg–S bond lengths. In the second Hg2+ site, Hg2+ is bonded to four S2- atoms to form HgS4 tetrahedra that share corners with four equivalent SnS4 tetrahedra and corners with eight CuS4 tetrahedra. There are two shorter (2.57 Å) and two longer (2.58 Å) Hg–S bond lengths. Zn2+ is bonded to four S2- atoms to form ZnS4 tetrahedra that share corners with four SnS4 tetrahedra and corners with eight CuS4 tetrahedra. There are two shorter (2.40 Å) and two longer (2.41 Å) Zn–S bond lengths. There are three inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to four S2- atoms to form SnS4 tetrahedra that share corners with two equivalent HgS4 tetrahedra, corners with two equivalent ZnS4 tetrahedra, and corners with eight CuS4 tetrahedra. There are two shorter (2.47 Å) and two longer (2.48 Å) Sn–S bond lengths. In the second Sn4+ site, Sn4+ is bonded to four S2- atoms to form SnS4 tetrahedra that share corners with four HgS4 tetrahedra and corners with eight CuS4 tetrahedra. There are three shorter (2.46 Å) and one longer (2.47 Å) Sn–S bond lengths. In the third Sn4+ site, Sn4+ is bonded to four S2- atoms to form SnS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with eight CuS4 tetrahedra. There are two shorter (2.49 Å) and two longer (2.50 Å) Sn–S bond lengths. There are ten inequivalent S2- sites. In the first S2- site, S2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra. In the second S2- site, S2- is bonded to two Cu1+, one Hg2+, and one Sn4+ atom to form corner-sharing SCu2SnHg tetrahedra. In the third S2- site, S2- is bonded to two Cu1+, one Hg2+, and one Sn4+ atom to form corner-sharing SCu2SnHg tetrahedra. In the fourth S2- site, S2- is bonded to two Cu1+, one Hg2+, and one Sn4+ atom to form corner-sharing SCu2SnHg tetrahedra. In the fifth S2- site, S2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra. In the sixth S2- site, S2- is bonded to two Cu1+, one Hg2+, and one Sn4+ atom to form corner-sharing SCu2SnHg tetrahedra. In the seventh S2- site, S2- is bonded to two equivalent Cu1+, one Hg2+, and one Sn4+ atom to form corner-sharing SCu2SnHg tetrahedra. In the eighth S2- site, S2- is bonded to two Cu1+, one Hg2+, and one Sn4+ atom to form corner-sharing SCu2SnHg tetrahedra. In the ninth S2- site, S2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra. In the tenth S2- site, S2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnCdCu4(SnSe4)2 by Materials Project

MnCu4Cd(SnSe4)2 is Clathrate-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Mn2+ is bonded to four Se2- atoms to form MnSe4 tetrahedra that share corners with four equivalent SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. All Mn–Se bond lengths are 2.55 Å. There are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share a cornercorner with one CdSe4 tetrahedra, corners with three equivalent MnSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four equivalent SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.42–2.46 Å. In the second Cu1+ site, Cu1+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share a cornercorner with one MnSe4 tetrahedra, corners with three equivalent CdSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four equivalent SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.41–2.45 Å. Cd2+ is bonded to four Se2- atoms to form CdSe4 tetrahedra that share corners with four equivalent SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. All Cd–Se bond lengths are 2.68 Å. Sn4+ is bonded to four Se2- atoms to form SnSe4 tetrahedra that share corners with two equivalent MnSe4 tetrahedra, corners with two equivalent CdSe4 tetrahedra, and corners with eight CuSe4 tetrahedra. There are two shorter (2.62 Å) and two longer (2.63 Å) Sn–Se bond lengths. There are four inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to two Cu1+, one Cd2+, and one Sn4+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the second Se2- site, Se2- is bonded to one Mn2+, two Cu1+, and one Sn4+ atom to form corner-sharing SeMnCu2Sn tetrahedra. In the third Se2- site, Se2- is bonded to one Mn2+, two equivalent Cu1+, and one Sn4+ atom to form corner-sharing SeMnCu2Sn tetrahedra. In the fourth Se2- site, Se2- is bonded to two equivalent Cu1+, one Cd2+, and one Sn4+ atom to form corner-sharing SeCdCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on InGaCuAgSe4 by Materials Project

AgCuInGaSe4 is Clathrate-derived structured and crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. Ag1+ is bonded to four equivalent Se2- atoms to form AgSe4 tetrahedra that share corners with four equivalent CuSe4 tetrahedra, corners with four equivalent InSe4 tetrahedra, and corners with four equivalent GaSe4 tetrahedra. All Ag–Se bond lengths are 2.66 Å. Cu1+ is bonded to four equivalent Se2- atoms to form CuSe4 tetrahedra that share corners with four equivalent AgSe4 tetrahedra, corners with four equivalent InSe4 tetrahedra, and corners with four equivalent GaSe4 tetrahedra. All Cu–Se bond lengths are 2.45 Å. In3+ is bonded to four equivalent Se2- atoms to form InSe4 tetrahedra that share corners with four equivalent AgSe4 tetrahedra, corners with four equivalent CuSe4 tetrahedra, and corners with four equivalent GaSe4 tetrahedra. All In–Se bond lengths are 2.66 Å. Ga3+ is bonded to four equivalent Se2- atoms to form GaSe4 tetrahedra that share corners with four equivalent AgSe4 tetrahedra, corners with four equivalent CuSe4 tetrahedra, and corners with four equivalent InSe4 tetrahedra. All Ga–Se bond lengths are 2.46 Å. Se2- is bonded to one Ag1+, one Cu1+, one In3+, and one Ga3+ atom to form corner-sharing SeInGaCuAg tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnCu2SnSe3S by Materials Project

Cu2ZnSn(Se0.75S0.25)4 is Clathrate-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Cu1+ is bonded to three Se2- and one S2- atom to form CuSe3S tetrahedra that share corners with four equivalent CuSe3S tetrahedra, corners with four equivalent ZnSe3S tetrahedra, and corners with four equivalent SnSe3S tetrahedra. There are two shorter (2.42 Å) and one longer (2.43 Å) Cu–Se bond lengths. The Cu–S bond length is 2.33 Å. Zn2+ is bonded to three Se2- and one S2- atom to form ZnSe3S tetrahedra that share corners with four equivalent SnSe3S tetrahedra and corners with eight equivalent CuSe3S tetrahedra. There are two shorter (2.49 Å) and one longer (2.50 Å) Zn–Se bond lengths. The Zn–S bond length is 2.39 Å. Sn4+ is bonded to three Se2- and one S2- atom to form SnSe3S tetrahedra that share corners with four equivalent ZnSe3S tetrahedra and corners with eight equivalent CuSe3S tetrahedra. All Sn–Se bond lengths are 2.61 Å. The Sn–S bond length is 2.50 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form SeZnCu2Sn tetrahedra that share corners with four equivalent SZnCu2Sn tetrahedra and corners with eight equivalent SeZnCu2Sn tetrahedra. In the second Se2- site, Se2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form SeZnCu2Sn tetrahedra that share corners with four equivalent SZnCu2Sn tetrahedra and corners with eight SeZnCu2Sn tetrahedra. S2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form SZnCu2Sn tetrahedra that share corners with twelve SeZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hg2TeS by Materials Project

Hg2TeS is Clathrate-derived structured and crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to three equivalent Te2- and one S2- atom to form corner-sharing HgTe3S tetrahedra. All Hg–Te bond lengths are 2.83 Å. The Hg–S bond length is 2.58 Å. In the second Hg2+ site, Hg2+ is bonded to one Te2- and three equivalent S2- atoms to form corner-sharing HgTeS3 tetrahedra. The Hg–Te bond length is 2.87 Å. All Hg–S bond lengths are 2.70 Å. Te2- is bonded to four Hg2+ atoms to form TeHg4 tetrahedra that share corners with six equivalent TeHg4 tetrahedra and corners with six equivalent SHg4 tetrahedra. S2- is bonded to four Hg2+ atoms to form SHg4 tetrahedra that share corners with six equivalent TeHg4 tetrahedra and corners with six equivalent SHg4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Si by Materials Project

Si is Clathrate-like structured and crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. there are eight inequivalent Si sites. In the first Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. There are a spread of Si–Si bond distances ranging from 2.34–2.41 Å. In the second Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. There are a spread of Si–Si bond distances ranging from 2.32–2.37 Å. In the third Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. The Si–Si bond length is 2.31 Å. In the fourth Si site, Si is bonded to four Si atoms to form a mixture of corner and edge-sharing SiSi4 tetrahedra. There are a spread of Si–Si bond distances ranging from 2.41–2.46 Å. In the fifth Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. The Si–Si bond length is 2.31 Å. In the sixth Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra. The Si–Si bond length is 2.33 Å. In the seventh Si site, Si is bonded to four Si atoms to form a mixture of distorted corner and edge-sharing SiSi4 tetrahedra. There are one shorter (2.41 Å) and two longer (2.46 Å) Si–Si bond lengths. In the eighth Si site, Si is bonded to four Si atoms to form corner-sharing SiSi4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li3Fe2(SiO4)2 by Materials Project

Li3Fe2(SiO4)2 is Clathrate-derived structured and crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are six inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share a cornercorner with one LiO4 tetrahedra, corners with four FeO4 tetrahedra, corners with four SiO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.98–2.16 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra, corners with four FeO4 tetrahedra, and corners with four SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.92–2.06 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra, corners with two FeO4 tetrahedra, corners with four SiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, an edgeedge with one FeO4 tetrahedra, and an edgeedge with one LiO4 trigonal pyramid. There are a spread of Li–O bond distances ranging from 1.99–2.10 Å. In the fourth Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra, corners with two FeO4 tetrahedra, corners with four SiO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, an edgeedge with one FeO4 tetrahedra, and an edgeedge with one LiO4 trigonal pyramid. There are a spread of Li–O bond distances ranging from 1.97–2.10 Å. In the fifth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share a cornercorner with one LiO4 tetrahedra, corners with four FeO4 tetrahedra, and corners with four SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.93–2.07 Å. In the sixth Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share a cornercorner with one LiO4 tetrahedra, corners with four FeO4 tetrahedra, corners with four SiO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.98–2.15 Å. There are four inequivalent Fe+2.50+ sites. In the first Fe+2.50+ site, Fe+2.50+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with three LiO4 tetrahedra, corners with four SiO4 tetrahedra, corners with two equivalent LiO4 trigonal pyramids, and an edgeedge with one LiO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 1.96–2.08 Å. In the second Fe+2.50+ site, Fe+2.50+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with three LiO4 tetrahedra, corners with four SiO4 tetrahedra, and corners with two equivalent LiO4 trigonal pyramids. There are a spread of Fe–O bond distances ranging from 1.89–1.97 Å. In the third Fe+2.50+ site, Fe+2.50+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with three LiO4 tetrahedra, corners with four SiO4 tetrahedra, and corners with two equivalent LiO4 trigonal pyramids. There are a spread of Fe–O bond distances ranging from 1.89–1.97 Å. In the fourth Fe+2.50+ site, Fe+2.50+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with three LiO4 tetrahedra, corners with four SiO4 tetrahedra, corners with two equivalent LiO4 trigonal pyramids, and an edgeedge with one LiO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 1.95–2.09 Å. There are four inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three LiO4 tetrahedra, corners with four FeO4 tetrahedra, and corners with three LiO4 trigonal pyramids. There are a spread of Si–O bond distances ranging from 1.62–1.68 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four FeO4 tetrahedra, corners with five LiO4 tetrahedra, and a cornercorner with one LiO4 trigonal pyramid. There are a spread of Si–O bond distances ranging from 1.64–1.67 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four FeO4 tetrahedra, corners with five LiO4 tetrahedra, and a cornercorner with one LiO4 trigonal pyramid. There are a spread of Si–O bond distances ranging from 1.64–1.67 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three LiO4 tetrahedra, corners with four FeO4 tetrahedra, and corners with three LiO4 trigonal pyramids. There are a spread of Si–O bond distances ranging from 1.63–1.68 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Fe+2.50+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing OLi2FeSi trigonal pyramids. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Fe+2.50+, and one Si4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Fe+2.50+, and one Si4+ atom. In the fourth O2- site, O2- is bonded to two Li1+, one Fe+2.50+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing OLi2FeSi tetrahedra. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Fe+2.50+, and one Si4+ atom. In the sixth O2- site, O2- is bonded to two Li1+, one Fe+2.50+, and one Si4+ atom to form a mixture of edge and corner-sharing OLi2FeSi tetrahedra. In the seventh O2- site, O2- is bonded to two Li1+, one Fe+2.50+, and one Si4+ atom to form corner-sharing OLi2FeSi tetrahedra. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Fe+2.50+, and one Si4+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Fe+2.50+, and one Si4+ atom. In the tenth O2- site, O2- is bonded to two Li1+, one Fe+2.50+, and one Si4+ atom to form corner-sharing OLi2FeSi tetrahedra. In the eleventh O2- site, O2- is bonded to two Li1+, one Fe+2.50+, and one Si4+ atom to form a mixture of edge and corner-sharing OLi2FeSi tetrahedra. In the twelfth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Fe+2.50+, and one Si4+ atom. In the thirteenth O2- site, O2- is bonded to two Li1+, one Fe+2.50+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing OLi2FeSi tetrahedra. In the fourteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Fe+2.50+, and one Si4+ atom. In the fifteenth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Fe+2.50+, and one Si4+ atom. In the sixteenth O2- site, O2- is bonded to two Li1+, one Fe+2.50+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing OLi2FeSi trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnCu2Sn(SeS)2 by Materials Project

Cu2ZnSnS2Se2 is Clathrate-derived structured and crystallizes in the orthorhombic Fmm2 space group. The structure is three-dimensional. Cu1+ is bonded to two equivalent Se2- and two equivalent S2- atoms to form CuSe2S2 tetrahedra that share corners with four equivalent CuSe2S2 tetrahedra, corners with four equivalent ZnSe2S2 tetrahedra, and corners with four equivalent SnSe2S2 tetrahedra. Both Cu–Se bond lengths are 2.44 Å. Both Cu–S bond lengths are 2.30 Å. Zn2+ is bonded to two equivalent Se2- and two equivalent S2- atoms to form ZnSe2S2 tetrahedra that share corners with four equivalent SnSe2S2 tetrahedra and corners with eight equivalent CuSe2S2 tetrahedra. Both Zn–Se bond lengths are 2.48 Å. Both Zn–S bond lengths are 2.39 Å. Sn4+ is bonded to two equivalent Se2- and two equivalent S2- atoms to form SnSe2S2 tetrahedra that share corners with four equivalent ZnSe2S2 tetrahedra and corners with eight equivalent CuSe2S2 tetrahedra. Both Sn–Se bond lengths are 2.59 Å. Both Sn–S bond lengths are 2.50 Å. Se2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form SeZnCu2Sn tetrahedra that share corners with four equivalent SeZnCu2Sn tetrahedra and corners with eight equivalent SZnCu2Sn tetrahedra. S2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form SZnCu2Sn tetrahedra that share corners with four equivalent SZnCu2Sn tetrahedra and corners with eight equivalent SeZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cd2GaAg(SeS)2 by Materials Project

AgCd2GaS2Se2 is Clathrate-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Ag1+ is bonded to one Se2- and three S2- atoms to form AgSeS3 tetrahedra that share corners with two equivalent AgSeS3 tetrahedra, corners with four equivalent GaSeS3 tetrahedra, and corners with six CdSe3S tetrahedra. The Ag–Se bond length is 2.64 Å. There are two shorter (2.58 Å) and one longer (2.68 Å) Ag–S bond lengths. There are two inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded to three Se2- and one S2- atom to form CdSe3S tetrahedra that share corners with three equivalent AgSeS3 tetrahedra, corners with three equivalent GaSeS3 tetrahedra, and corners with six CdSe3S tetrahedra. There are two shorter (2.59 Å) and one longer (2.72 Å) Cd–Se bond lengths. The Cd–S bond length is 2.63 Å. In the second Cd2+ site, Cd2+ is bonded to three Se2- and one S2- atom to form CdSe3S tetrahedra that share corners with three equivalent AgSeS3 tetrahedra, corners with three equivalent GaSeS3 tetrahedra, and corners with six CdSe3S tetrahedra. There are one shorter (2.59 Å) and two longer (2.69 Å) Cd–Se bond lengths. The Cd–S bond length is 2.54 Å. Ga3+ is bonded to one Se2- and three S2- atoms to form GaSeS3 tetrahedra that share corners with two equivalent GaSeS3 tetrahedra, corners with four equivalent AgSeS3 tetrahedra, and corners with six CdSe3S tetrahedra. The Ga–Se bond length is 2.50 Å. There are one shorter (2.29 Å) and two longer (2.47 Å) Ga–S bond lengths. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to one Ag1+ and three Cd2+ atoms to form SeCd3Ag tetrahedra that share corners with six SeCd3Ag tetrahedra and corners with six SCdGaAg2 tetrahedra. In the second Se2- site, Se2- is bonded to three Cd2+ and one Ga3+ atom to form SeCd3Ga tetrahedra that share corners with six SeCd3Ag tetrahedra and corners with six SCdGaAg2 tetrahedra. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded to two equivalent Ag1+, one Cd2+, and one Ga3+ atom to form SCdGaAg2 tetrahedra that share corners with six SeCd3Ag tetrahedra and corners with six SCdGaAg2 tetrahedra. In the second S2- site, S2- is bonded to one Ag1+, one Cd2+, and two equivalent Ga3+ atoms to form SCdGa2Ag tetrahedra that share corners with six SeCd3Ag tetrahedra and corners with six SCdGaAg2 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnCu2SnSe3S by Materials Project

Cu2ZnSn(Se0.75S0.25)4 is Clathrate-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to three Se2- and one S2- atom to form CuSe3S tetrahedra that share corners with four equivalent CuSe3S tetrahedra, corners with four equivalent ZnSe3S tetrahedra, and corners with four equivalent SnSe3S tetrahedra. There are two shorter (2.44 Å) and one longer (2.45 Å) Cu–Se bond lengths. The Cu–S bond length is 2.31 Å. In the second Cu1+ site, Cu1+ is bonded to three Se2- and one S2- atom to form CuSe3S tetrahedra that share corners with four equivalent CuSe3S tetrahedra, corners with four equivalent ZnSe3S tetrahedra, and corners with four equivalent SnSe3S tetrahedra. There are two shorter (2.43 Å) and one longer (2.44 Å) Cu–Se bond lengths. The Cu–S bond length is 2.30 Å. Zn2+ is bonded to three Se2- and one S2- atom to form ZnSe3S tetrahedra that share corners with four equivalent SnSe3S tetrahedra and corners with eight CuSe3S tetrahedra. There are two shorter (2.49 Å) and one longer (2.50 Å) Zn–Se bond lengths. The Zn–S bond length is 2.38 Å. Sn4+ is bonded to three Se2- and one S2- atom to form SnSe3S tetrahedra that share corners with four equivalent ZnSe3S tetrahedra and corners with eight CuSe3S tetrahedra. There are two shorter (2.61 Å) and one longer (2.62 Å) Sn–Se bond lengths. The Sn–S bond length is 2.51 Å. There are three inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form SeZnCu2Sn tetrahedra that share corners with four equivalent SZnCu2Sn tetrahedra and corners with eight SeZnCu2Sn tetrahedra. In the second Se2- site, Se2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form SeZnCu2Sn tetrahedra that share corners with four equivalent SZnCu2Sn tetrahedra and corners with eight SeZnCu2Sn tetrahedra. In the third Se2- site, Se2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form SeZnCu2Sn tetrahedra that share corners with four equivalent SZnCu2Sn tetrahedra and corners with eight SeZnCu2Sn tetrahedra. S2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form SZnCu2Sn tetrahedra that share corners with twelve SeZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cd4FeCu10(SnSe4)5 by Materials Project

FeCu10Cd4(SnSe4)5 is Clathrate-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Fe3+ is bonded to four Se2- atoms to form FeSe4 tetrahedra that share corners with four equivalent SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. All Fe–Se bond lengths are 2.46 Å. There are five inequivalent Cu+1.10+ sites. In the first Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with four CuSe4 tetrahedra, corners with four CdSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are three shorter (2.44 Å) and one longer (2.45 Å) Cu–Se bond lengths. In the second Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with four CuSe4 tetrahedra, corners with four CdSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are three shorter (2.44 Å) and one longer (2.45 Å) Cu–Se bond lengths. In the third Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share corners with four CuSe4 tetrahedra, corners with four equivalent CdSe4 tetrahedra, and corners with four SnSe4 tetrahedra. All Cu–Se bond lengths are 2.44 Å. In the fourth Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share a cornercorner with one CdSe4 tetrahedra, corners with three equivalent FeSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four equivalent SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.46–2.50 Å. In the fifth Cu+1.10+ site, Cu+1.10+ is bonded to four Se2- atoms to form CuSe4 tetrahedra that share a cornercorner with one FeSe4 tetrahedra, corners with three equivalent CdSe4 tetrahedra, corners with four CuSe4 tetrahedra, and corners with four SnSe4 tetrahedra. There are a spread of Cu–Se bond distances ranging from 2.44–2.49 Å. There are two inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded to four Se2- atoms to form CdSe4 tetrahedra that share corners with four SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are two shorter (2.69 Å) and two longer (2.70 Å) Cd–Se bond lengths. In the second Cd2+ site, Cd2+ is bonded to four Se2- atoms to form CdSe4 tetrahedra that share corners with four SnSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are two shorter (2.68 Å) and two longer (2.69 Å) Cd–Se bond lengths. There are three inequivalent Sn+3.60+ sites. In the first Sn+3.60+ site, Sn+3.60+ is bonded to four Se2- atoms to form SnSe4 tetrahedra that share corners with two equivalent FeSe4 tetrahedra, corners with two equivalent CdSe4 tetrahedra, and corners with eight CuSe4 tetrahedra. There are a spread of Sn–Se bond distances ranging from 2.64–2.67 Å. In the second Sn+3.60+ site, Sn+3.60+ is bonded to four Se2- atoms to form SnSe4 tetrahedra that share corners with four equivalent CdSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are two shorter (2.62 Å) and two longer (2.63 Å) Sn–Se bond lengths. In the third Sn+3.60+ site, Sn+3.60+ is bonded to four Se2- atoms to form SnSe4 tetrahedra that share corners with four CdSe4 tetrahedra and corners with eight CuSe4 tetrahedra. There are a spread of Sn–Se bond distances ranging from 2.62–2.64 Å. There are ten inequivalent Se2- sites. In the first Se2- site, Se2- is bonded to one Fe3+, two Cu+1.10+, and one Sn+3.60+ atom to form corner-sharing SeFeCu2Sn tetrahedra. In the second Se2- site, Se2- is bonded to two Cu+1.10+, one Cd2+, and one Sn+3.60+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the third Se2- site, Se2- is bonded to two equivalent Cu+1.10+, one Cd2+, and one Sn+3.60+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the fourth Se2- site, Se2- is bonded to two Cu+1.10+, one Cd2+, and one Sn+3.60+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the fifth Se2- site, Se2- is bonded to two Cu+1.10+, one Cd2+, and one Sn+3.60+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the sixth Se2- site, Se2- is bonded to two Cu+1.10+, one Cd2+, and one Sn+3.60+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the seventh Se2- site, Se2- is bonded to two Cu+1.10+, one Cd2+, and one Sn+3.60+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the eighth Se2- site, Se2- is bonded to two Cu+1.10+, one Cd2+, and one Sn+3.60+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the ninth Se2- site, Se2- is bonded to two Cu+1.10+, one Cd2+, and one Sn+3.60+ atom to form corner-sharing SeCdCu2Sn tetrahedra. In the tenth Se2- site, Se2- is bonded to one Fe3+, two equivalent Cu+1.10+, and one Sn+3.60+ atom to form corner-sharing SeFeCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ga2CuAg(TeSe)2 by Materials Project

AgCuGa2(TeSe)2 is Clathrate-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Ag1+ is bonded to two equivalent Te2- and two equivalent Se2- atoms to form AgTe2Se2 tetrahedra that share corners with four equivalent CuTe2Se2 tetrahedra and corners with eight GaTe2Se2 tetrahedra. Both Ag–Te bond lengths are 2.75 Å. Both Ag–Se bond lengths are 2.69 Å. Cu1+ is bonded to two equivalent Te2- and two equivalent Se2- atoms to form CuTe2Se2 tetrahedra that share corners with four equivalent AgTe2Se2 tetrahedra and corners with eight GaTe2Se2 tetrahedra. Both Cu–Te bond lengths are 2.57 Å. Both Cu–Se bond lengths are 2.51 Å. There are two inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded to two equivalent Te2- and two equivalent Se2- atoms to form GaTe2Se2 tetrahedra that share corners with four equivalent AgTe2Se2 tetrahedra, corners with four equivalent CuTe2Se2 tetrahedra, and corners with four equivalent GaTe2Se2 tetrahedra. Both Ga–Te bond lengths are 2.65 Å. Both Ga–Se bond lengths are 2.48 Å. In the second Ga3+ site, Ga3+ is bonded to two equivalent Te2- and two equivalent Se2- atoms to form GaTe2Se2 tetrahedra that share corners with four equivalent AgTe2Se2 tetrahedra, corners with four equivalent CuTe2Se2 tetrahedra, and corners with four equivalent GaTe2Se2 tetrahedra. Both Ga–Te bond lengths are 2.66 Å. Both Ga–Se bond lengths are 2.51 Å. Te2- is bonded to one Ag1+, one Cu1+, and two Ga3+ atoms to form TeGa2CuAg tetrahedra that share corners with four equivalent TeGa2CuAg tetrahedra and corners with eight equivalent SeGa2CuAg tetrahedra. Se2- is bonded to one Ag1+, one Cu1+, and two Ga3+ atoms to form SeGa2CuAg tetrahedra that share corners with four equivalent SeGa2CuAg tetrahedra and corners with eight equivalent TeGa2CuAg tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnCdCu4(SnS4)2 by Materials Project

Cu4CdZn(SnS4)2 is Clathrate-derived structured and crystallizes in the tetragonal P-42m space group. The structure is three-dimensional. Cu1+ is bonded to four S2- atoms to form CuS4 tetrahedra that share corners with two equivalent CdS4 tetrahedra, corners with two equivalent ZnS4 tetrahedra, corners with four equivalent CuS4 tetrahedra, and corners with four SnS4 tetrahedra. There are two shorter (2.31 Å) and two longer (2.34 Å) Cu–S bond lengths. Cd2+ is bonded to four equivalent S2- atoms to form CdS4 tetrahedra that share corners with four equivalent SnS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. All Cd–S bond lengths are 2.55 Å. Zn2+ is bonded to four equivalent S2- atoms to form ZnS4 tetrahedra that share corners with four equivalent SnS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. All Zn–S bond lengths are 2.41 Å. There are two inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to four equivalent S2- atoms to form SnS4 tetrahedra that share corners with four equivalent CdS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. All Sn–S bond lengths are 2.47 Å. In the second Sn4+ site, Sn4+ is bonded to four equivalent S2- atoms to form SnS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with eight equivalent CuS4 tetrahedra. All Sn–S bond lengths are 2.48 Å. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded to two equivalent Cu1+, one Cd2+, and one Sn4+ atom to form corner-sharing SCdCu2Sn tetrahedra. In the second S2- site, S2- is bonded to two equivalent Cu1+, one Zn2+, and one Sn4+ atom to form corner-sharing SZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ZnCu2SnSeS3 by Materials Project

Cu2ZnSnSeS3 is Clathrate-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded to one Se2- and three S2- atoms to form CuSeS3 tetrahedra that share corners with four equivalent CuSeS3 tetrahedra, corners with four equivalent ZnSeS3 tetrahedra, and corners with four equivalent SnSeS3 tetrahedra. The Cu–Se bond length is 2.43 Å. There are a spread of Cu–S bond distances ranging from 2.31–2.33 Å. In the second Cu1+ site, Cu1+ is bonded to one Se2- and three S2- atoms to form CuSeS3 tetrahedra that share corners with four equivalent CuSeS3 tetrahedra, corners with four equivalent ZnSeS3 tetrahedra, and corners with four equivalent SnSeS3 tetrahedra. The Cu–Se bond length is 2.42 Å. There are two shorter (2.31 Å) and one longer (2.32 Å) Cu–S bond lengths. Zn2+ is bonded to one Se2- and three S2- atoms to form ZnSeS3 tetrahedra that share corners with four equivalent SnSeS3 tetrahedra and corners with eight CuSeS3 tetrahedra. The Zn–Se bond length is 2.48 Å. There are one shorter (2.36 Å) and two longer (2.37 Å) Zn–S bond lengths. Sn4+ is bonded to one Se2- and three S2- atoms to form SnSeS3 tetrahedra that share corners with four equivalent ZnSeS3 tetrahedra and corners with eight CuSeS3 tetrahedra. The Sn–Se bond length is 2.59 Å. There are two shorter (2.48 Å) and one longer (2.49 Å) Sn–S bond lengths. Se2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form SeZnCu2Sn tetrahedra that share corners with twelve SZnCu2Sn tetrahedra. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form SZnCu2Sn tetrahedra that share corners with four equivalent SeZnCu2Sn tetrahedra and corners with eight SZnCu2Sn tetrahedra. In the second S2- site, S2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form SZnCu2Sn tetrahedra that share corners with four equivalent SeZnCu2Sn tetrahedra and corners with eight SZnCu2Sn tetrahedra. In the third S2- site, S2- is bonded to two Cu1+, one Zn2+, and one Sn4+ atom to form SZnCu2Sn tetrahedra that share corners with four equivalent SeZnCu2Sn tetrahedra and corners with eight SZnCu2Sn tetrahedra.

36 MATERIALS SCIENCE↗