Materials Data on CsCuF4 by Materials Project

CsCuF4 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Cs1+ is bonded in a 8-coordinate geometry to eight equivalent F1- atoms. All Cs–F bond lengths are 3.05 Å. Cu3+ is bonded in a square co-planar geometry to four equivalent F1- atoms. All Cu–F bond lengths are 1.78 Å. F1- is bonded in a distorted single-bond geometry to two equivalent Cs1+ and one Cu3+ atom.