Materials Data on CsTiCu3Se4 by Materials Project

Abstract

CsCu3TiSe4 crystallizes in the cubic P-43m space group. The structure is three-dimensional. Cs1+ is bonded to four equivalent Se2- atoms to form CsSe4 tetrahedra that share corners with four equivalent TiSe4 tetrahedra and corners with twelve equivalent CuSe4 tetrahedra. All Cs–Se bond lengths are 3.11 Å. Ti4+ is bonded to four equivalent Se2- atoms to form TiSe4 tetrahedra that share corners with four equivalent CsSe4 tetrahedra and edges with six equivalent CuSe4 tetrahedra. All Ti–Se bond lengths are 2.36 Å. Cu1+ is bonded to four equivalent Se2- atoms to form distorted CuSe4 tetrahedra that share corners with four equivalent CsSe4 tetrahedra, corners with eight equivalent CuSe4 tetrahedra, and edges with two equivalent TiSe4 tetrahedra. All Cu–Se bond lengths are 2.64 Å. Se2- is bonded to one Cs1+, one Ti4+, and three equivalent Cu1+ atoms to form a mixture of distorted corner and edge-sharing SeCsTiCu3 trigonal bipyramids.