Mitscherlichite Hendricks S, Dickinson R Journal of the American Chemical Society 49 (1927) 2149-2162 The Crystal Structure of ammonium, potassium and rubidium cupric chloride dihydrates _cod_database_code 1011065 _database_code_amcsd 0017964 7.45 7.45 7.88 90 90 90 P4_2/mnm atom x y z Cu1 0 0 0 K1 0 .5 .25 Cl1 .213 .213 0 Cl2 .217 -.217 0 O1 0 0 .32