Materials Data on SnPbS3 by Materials Project

Abstract

PbSnS3 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Pb2+ is bonded in a 6-coordinate geometry to eight S2- atoms. There are a spread of Pb–S bond distances ranging from 2.77–3.70 Å. Sn4+ is bonded to six S2- atoms to form edge-sharing SnS6 octahedra. There are a spread of Sn–S bond distances ranging from 2.52–2.65 Å. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded in a 4-coordinate geometry to one Pb2+ and three equivalent Sn4+ atoms. In the second S2- site, S2- is bonded in a 2-coordinate geometry to three equivalent Pb2+ and two equivalent Sn4+ atoms. In the third S2- site, S2- is bonded in a 3-coordinate geometry to four equivalent Pb2+ and one Sn4+ atom.