Br5 Pb2 Rb Powell H, Tasker H Journal of the Chemical Society 1937 (1937) 119-123 The Valency Angle of Bivalent Lead: The Crystal Structure of Ammonium, Rubidium, and Potassium Pentabromodiplumbites _cod_database_code 1010211 _database_code_amcsd 0017147 8.41 8.41 14.5 90 90 90 I4/mcm atom x y z Rb1 0 0 .25 Br1 0 0 0 Pb1 .158 .658 0 Br2 .163 .663 .365