Sal ammoniac_2 Formula: N H4 Cl Name: Sal ammoniac Unit cell: 3.86 3.86 3.86 90.0 90.0 90.0 , V=57.51 Space group: PM-3M (221)
Vainshtein B K , Trudy Instituta Kristallografii Akademiya Nauk SSSR , 12 (1956) p.18-24, Refinement of the structure of the group NH4, in the structure of ammonium chloride