Materials Data on CsSnS3 by Materials Project
CsSnS3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Cs1+ is bonded in a 8-coordinate geometry to eight S+1.67- atoms. There are a spread of Cs–S bond distances ranging from 3.56–4.15 Å. Sn4+ is bonded to five S+1.67- atoms to form edge-sharing SnS5 trigonal bipyramids. There are a spread of Sn–S bond distances ranging from 2.44–2.63 Å. There are three inequivalent S+1.67- sites. In the first S+1.67- site, S+1.67- is bonded in a 1-coordinate geometry to three equivalent Cs1+, one Sn4+, and one S+1.67- atom. The S–S bond length is 2.10 Å. In the second S+1.67- site, S+1.67- is bonded in a 4-coordinate geometry to two equivalent Cs1+ and two equivalent Sn4+ atoms. In the third S+1.67- site, S+1.67- is bonded in a 2-coordinate geometry to three equivalent Cs1+ and two equivalent Sn4+ atoms.