Br D4 N Levy H, Peterson S Journal of the American Chemical Society 75 (1953) 1536-1542 Neutron diffraction determination of the crystal structure of ammonium bromide in four phases _cod_database_code 1008920 _database_code_amcsd 0016787 6.9 6.9 6.9 90 90 90 Fm3m atom x y z occ N1 0 0 0 Br1 .5 .5 .5 D1 0 .0152 .1741 .0833 D2 .4206 .4206 .841 .0833