H18 N8 Ni O6 Wyckoff R Journal of the American Chemical Society 44 (1922) 1260-1266 The composition and crystal structure of nickel nitrate hexammoniate _cod_database_code 1010626 _database_code_amcsd 0017508 10.96 10.96 10.96 90 90 90 Pa3 atom x y z Ni1 0 0 0 N1 .25 .25 .25 N2 .25 0 0 O1 .25 .25 0