Bromargyrite Hull S, Keen D A Physical Review B59 (1999) 750-761 Pressure-induced phase transitions in AgCl, AgBr, and AgI Locality: synthetic Sample: P = 3.9 GPa, Phase I _database_code_amcsd 0015215 5.6344 5.6344 5.6344 90 90 90 Fm3m atom x y z Biso Ag .5 .5 .5 6.5 Br 0 0 0 3.2