Bi2 Cu3 O16 Sr5 Pelloquin D, Maignan A, Caldes M, Hervieu M, Michel C, Raveau B Physica C 212 (1993) 199-205 The bismuth oxycarbonate Bi2Sr6-xCu3O10(CO3)2. A new 40K superconductor, second member of the series (Bi2Sr2CuO6)n(Sr2CuO2CO3)n' _cod_database_code 1001571 _database_code_amcsd 0015053 5.469 5.483 54.26 90 90 90 Fmmm atom x y z occ Bi1 0 0 .221 Sr1 0 0 .671 .833 Sr2 0 0 .604 .833 Sr3 0 0 .534 .833 Cu1 0 0 .137 Cu2 0 0 0 C1 0 0 .069 O1 0 0 .721 O2 0 0 .171 O3 0 0 .104 O4 0 0 .034 O5 .25 .25 .137 O6 .25 .25 0 O7 .17 .17 .069 .25