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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Zn(GaS2)2 by Materials Project

ZnGa2S4 crystallizes in the tetragonal I-42m space group. The structure is three-dimensional. Zn2+ is bonded to four equivalent S2- atoms to form ZnS4 tetrahedra that share corners with eight equivalent GaS4 tetrahedra. All Zn–S bond lengths are 2.36 Å. Ga3+ is bonded to four equivalent S2- atoms to form GaS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with four equivalent GaS4 tetrahedra. All Ga–S bond lengths are 2.32 Å. S2- is bonded in a trigonal non-coplanar geometry to one Zn2+ and two equivalent Ga3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(GaS2)2 by Materials Project

ZnGa2S4 crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. Zn2+ is bonded to four equivalent S2- atoms to form ZnS4 tetrahedra that share corners with eight GaS4 tetrahedra. All Zn–S bond lengths are 2.37 Å. There are two inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded to four equivalent S2- atoms to form GaS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with four equivalent GaS4 tetrahedra. All Ga–S bond lengths are 2.31 Å. In the second Ga3+ site, Ga3+ is bonded to four equivalent S2- atoms to form GaS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with four equivalent GaS4 tetrahedra. All Ga–S bond lengths are 2.31 Å. S2- is bonded in a trigonal non-coplanar geometry to one Zn2+ and two Ga3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(GaS2)2 by Materials Project

ZnGa2S4 crystallizes in the tetragonal P-42m space group. The structure is three-dimensional. Zn2+ is bonded to four equivalent S2- atoms to form ZnS4 tetrahedra that share corners with eight equivalent GaS4 tetrahedra. All Zn–S bond lengths are 2.36 Å. Ga3+ is bonded to four equivalent S2- atoms to form GaS4 tetrahedra that share corners with four equivalent ZnS4 tetrahedra and corners with four equivalent GaS4 tetrahedra. All Ga–S bond lengths are 2.32 Å. S2- is bonded in a trigonal non-coplanar geometry to one Zn2+ and two equivalent Ga3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn2Ga2S5 by Materials Project

Zn2Ga2S5 crystallizes in the trigonal R-3m space group. The structure is two-dimensional and consists of three Zn2Ga2S5 sheets oriented in the (0, 0, 1) direction. Zn2+ is bonded to six S2- atoms to form ZnS6 octahedra that share corners with three equivalent ZnS6 octahedra, corners with three equivalent GaS4 tetrahedra, and edges with nine equivalent ZnS6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are three shorter (2.47 Å) and three longer (2.61 Å) Zn–S bond lengths. Ga3+ is bonded to four S2- atoms to form GaS4 tetrahedra that share corners with three equivalent ZnS6 octahedra and corners with six equivalent GaS4 tetrahedra. The corner-sharing octahedral tilt angles are 60°. There are one shorter (2.21 Å) and three longer (2.36 Å) Ga–S bond lengths. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded to six equivalent Zn2+ atoms to form SZn6 octahedra that share corners with six equivalent SZn3Ga tetrahedra, edges with six equivalent SZn6 octahedra, and edges with six equivalent SZn3Ga tetrahedra. In the second S2- site, S2- is bonded to three equivalent Zn2+ and one Ga3+ atom to form distorted SZn3Ga tetrahedra that share corners with three equivalent SZn6 octahedra, corners with six equivalent SZn3Ga tetrahedra, and edges with three equivalent SZn6 octahedra. The corner-sharing octahedral tilt angles are 5°. In the third S2- site, S2- is bonded in a trigonal non-coplanar geometry to three equivalent Ga3+ atoms.

36 MATERIALS SCIENCE↗