Materials Data on NaEuCu2F8 by Materials Project
NaEuCu2F8 crystallizes in the tetragonal I422 space group. The structure is three-dimensional. Na1+ is bonded in a 8-coordinate geometry to eight equivalent F1- atoms. All Na–F bond lengths are 2.44 Å. Eu3+ is bonded in a 8-coordinate geometry to eight equivalent F1- atoms. All Eu–F bond lengths are 2.39 Å. Cu2+ is bonded in a square co-planar geometry to four equivalent F1- atoms. All Cu–F bond lengths are 1.89 Å. F1- is bonded in a distorted trigonal planar geometry to one Na1+, one Eu3+, and one Cu2+ atom.