Materials Data on NaBe2N3F8 by Materials Project
(NaBe2F6)2N2(NF)4 crystallizes in the trigonal P-3m1 space group. The structure is two-dimensional and consists of one ammonia molecule; two monofluoroamine molecules; and one NaBe2F6 sheet oriented in the (0, 0, 1) direction. In the NaBe2F6 sheet, Na1+ is bonded in an octahedral geometry to six equivalent F1- atoms. All Na–F bond lengths are 2.31 Å. Be2+ is bonded in a trigonal planar geometry to three equivalent F1- atoms. All Be–F bond lengths are 1.47 Å. F1- is bonded in a distorted bent 150 degrees geometry to one Na1+ and one Be2+ atom.