AM_Barberiite Formula: N H4 B F4 Name: Barberiite Unit cell: 7.243 8.808 5.908 90.0 90.0 90.0 , V=376.91 Space group: PBNM (62)

van Rensburg D J J , Boeyens J C A , Journal of Solid State Chemistry , 5 (1972) p.79-84, The crystal structure of ammonium tetrafluoroborate IV at 140 K, Locality: synthetic, Sample: T = 140 K, Note: x(H2), y(H2) adjusted to match reported bond lengths