Kuzminite Havighurst R Journal of the American Chemical Society 48 (1926) 2113-2131 Parameters in crystal structure. The mercurouos halides _cod_database_code 1011077 _database_code_amcsd 0017975 4.66 4.66 11.12 90 90 90 P4_2/mnm atom x y z Hg1 0 0 .116 Br1 0 0 .347