O4 Pt3 Muller O, Roy R Journal of the Less-Common Metals 16 (1968) 129-146 Formation and stability of the platinum and rhodium oxides at high oxygen pressures and the structures of Pt3 O4, beta-Pt O2 and Rh O2 _cod_database_code 1008167 _database_code_amcsd 0016107 5.585 5.585 5.585 90 90 90 Pm3n atom x y z Pt1 .25 0 .5 O1 .25 .25 .25