Materials Data on K3PS4 by Materials Project

Abstract

K3PS4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of K–S bond distances ranging from 3.21–3.80 Å. In the second K1+ site, K1+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of K–S bond distances ranging from 3.18–3.50 Å. P5+ is bonded in a tetrahedral geometry to four S2- atoms. There are three shorter (2.06 Å) and one longer (2.07 Å) P–S bond lengths. There are three inequivalent S2- sites. In the first S2- site, S2- is bonded to five K1+ and one P5+ atom to form edge-sharing SK5P octahedra. In the second S2- site, S2- is bonded in a 1-coordinate geometry to six K1+ and one P5+ atom. In the third S2- site, S2- is bonded in a 1-coordinate geometry to five K1+ and one P5+ atom.