Salammoniac Sirdeshmukh D B, Deshpande V T Acta Crystallographica A26 (1970) 295-295 X-ray measurement of the thermal expansion of ammonium chloride Locality: synthetic Sample: T = 54.0 C _database_code_amcsd 0009320 3.8822 3.8822 3.8822 90 90 90 Pm-3m atom x y z NH4 0 0 0 Cl .5 .5 .5