Murdochite Winkler B, Chall M, Pickard C J, Milman V, White J Acta Crystallographica B56 (2000) 22-26 Structure of Cu6PbO8 Note: these are model structure derived from quantum calculations This model appears to be the stable phase at ambient conditions _database_code_amcsd 0009907 9.314 9.314 9.314 90 90 90 Fm3m atom x y z Pb 0 0 0 Cu .25 .25 0 O .145 .145 .145