Materials Data on V2F9 by Materials Project

Abstract

V2F9 crystallizes in the trigonal P3 space group. The structure is zero-dimensional and consists of two V2F9 clusters. there are two inequivalent V+4.50+ sites. In the first V+4.50+ site, V+4.50+ is bonded to six F1- atoms to form distorted face-sharing VF6 octahedra. There is three shorter (1.75 Å) and three longer (2.01 Å) V–F bond length. In the second V+4.50+ site, V+4.50+ is bonded to six F1- atoms to form distorted face-sharing VF6 octahedra. There is three shorter (1.75 Å) and three longer (2.00 Å) V–F bond length. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one V+4.50+ atom. In the second F1- site, F1- is bonded in an L-shaped geometry to two V+4.50+ atoms. In the third F1- site, F1- is bonded in a single-bond geometry to one V+4.50+ atom.