Materials Data on GeN3F7 by Materials Project
N2Ge(NF4)2GeF4(NF)2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four ammonia molecules, four monofluoroamine molecules, two tetrafluorogermane molecules, and two Ge(NF4)2 clusters. In each Ge(NF4)2 cluster, Ge4+ is bonded in a distorted octahedral geometry to six F1- atoms. There are four shorter (1.75 Å) and two longer (2.44 Å) Ge–F bond lengths. N1+ is bonded in a water-like geometry to two F1- atoms. There is one shorter (1.34 Å) and one longer (1.45 Å) N–F bond length. There are four inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one Ge4+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one N1+ atom. In the third F1- site, F1- is bonded in a 2-coordinate geometry to one Ge4+ and one N1+ atom. In the fourth F1- site, F1- is bonded in a single-bond geometry to one Ge4+ atom.