Ba2.5 Bi1.59 Cu2 La0.91 O8.25 Hervieu M, Pham A, Michel C, Raveau B Physica C 209 (1993) 449-455 A 2212 bismuth cuprate with a non-modulated structure Bi2-xLaxBa2.5La0.5Cu2O8.25 _cod_database_code 1001585 _database_code_amcsd 0015046 3.938 3.938 31.213 90 90 90 I4/mmm atom x y z occ Bi1 .5 .5 .2057 .795 La1 .5 .5 .2057 .205 Ba1 0 0 .1184 Ba2 0 0 0 .5 La2 0 0 0 .5 Cu1 .5 .5 .0599 O1 .5 0 .053 O2 .5 .5 .697 O3 .5 .5 .136