Bi0.775 O1.5 Pr0.225 Drache M, Obbade S, Wignacourt J, Conflant P Journal of Solid State Chemistry 142 (1999) 349-359 Structural and conductivity properties of Bi(0.775) Ln(0.225) O1.5 oxide conductors (Ln = La, Pr, Nd, Sm, Eu, Gd, Tb, Dy) with rhombohedral Bi-Sr-O type _cod_database_code 1004136 _database_code_amcsd 0013960 3.9975 3.9975 27.50899 90 90 120 R-3m atom x y z occ Bi1 0 0 0 .325 Pr1 0 0 0 .675 Bi2 0 0 .2244 O1 0 0 .302 O2 0 0 .095 .81 O3 0 0 .445 .44