Materials Data on Cs2Se3 by Materials Project

Abstract

Cs2Se3 crystallizes in the orthorhombic Cmc2_1 space group. The structure is three-dimensional. there are two inequivalent Cs sites. In the first Cs site, Cs is bonded in a 7-coordinate geometry to seven Se atoms. There are a spread of Cs–Se bond distances ranging from 3.64–3.83 Å. In the second Cs site, Cs is bonded in a 8-coordinate geometry to eight Se atoms. There are a spread of Cs–Se bond distances ranging from 3.60–4.20 Å. There are two inequivalent Se sites. In the first Se site, Se is bonded in a 7-coordinate geometry to six Cs and one Se atom. The Se–Se bond length is 2.41 Å. In the second Se site, Se is bonded in a 5-coordinate geometry to three Cs and two equivalent Se atoms.