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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Zn(InSe2)2 by Materials Project

ZnIn2Se4 crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. Zn2+ is bonded to four equivalent Se2- atoms to form ZnSe4 tetrahedra that share corners with eight InSe4 tetrahedra. All Zn–Se bond lengths are 2.51 Å. There are two inequivalent In3+ sites. In the first In3+ site, In3+ is bonded to four equivalent Se2- atoms to form InSe4 tetrahedra that share corners with four equivalent ZnSe4 tetrahedra and corners with four equivalent InSe4 tetrahedra. All In–Se bond lengths are 2.64 Å. In the second In3+ site, In3+ is bonded to four equivalent Se2- atoms to form InSe4 tetrahedra that share corners with four equivalent ZnSe4 tetrahedra and corners with four equivalent InSe4 tetrahedra. All In–Se bond lengths are 2.64 Å. Se2- is bonded in a trigonal non-coplanar geometry to one Zn2+ and two In3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(InSe2)2 by Materials Project

ZnIn2Se4 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Zn2+ is bonded to four Se2- atoms to form ZnSe4 tetrahedra that share corners with eight equivalent InSe4 tetrahedra. There are three shorter (2.50 Å) and one longer (2.51 Å) Zn–Se bond lengths. In3+ is bonded to four Se2- atoms to form InSe4 tetrahedra that share corners with four equivalent ZnSe4 tetrahedra and corners with four equivalent InSe4 tetrahedra. All In–Se bond lengths are 2.64 Å. There are three inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a trigonal non-coplanar geometry to one Zn2+ and two equivalent In3+ atoms. In the second Se2- site, Se2- is bonded in a trigonal non-coplanar geometry to one Zn2+ and two equivalent In3+ atoms. In the third Se2- site, Se2- is bonded in a trigonal non-coplanar geometry to one Zn2+ and two equivalent In3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(InSe2)2 by Materials Project

ZnIn2Se4 is Spinel structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Zn2+ is bonded to four equivalent Se2- atoms to form ZnSe4 tetrahedra that share corners with twelve equivalent InSe6 octahedra. The corner-sharing octahedral tilt angles are 56°. All Zn–Se bond lengths are 2.54 Å. In3+ is bonded to six equivalent Se2- atoms to form InSe6 octahedra that share corners with six equivalent ZnSe4 tetrahedra and edges with six equivalent InSe6 octahedra. All In–Se bond lengths are 2.78 Å. Se2- is bonded in a distorted rectangular see-saw-like geometry to one Zn2+ and three equivalent In3+ atoms.

36 MATERIALS SCIENCE↗