HCl Niimura N, Shimaoka K, Motegi H, Hoshino S Journal of the Physical Society of Japan 32 (1972) 1019-1026 Crystal structure and phase transition of hydrogen chloride Note: this phase is stable above 120 K Note: T = 135 K Locality: synthetic _database_code_amcsd 0018515 5.482 5.482 5.482 90 90 90 Fm3m atom x y z Biso H .166 .166 0 9.0 Cl 0 0 0 4.1