YBaCuFeO5 Er Rakho L, Michel C, Lacorre P, Raveau B Journal of Solid State Chemistry 73 (1988) 531-535 YBaCuFeO5+d: A Novel Oxygen-Deficient Perovskite with a Layer Structure _cod_database_code 1000233 _database_code_amcsd 0013616 3.867 3.867 7.656 90 90 90 P4mm atom x y z occ Ba1 0 0 .0226 Y1 0 0 .5112 Cu1 .5 .5 .2738 .62 Fe1 .5 .5 .2738 .38 Cu2 .5 .5 .7387 .38 Fe2 .5 .5 .7387 .62 O1 .5 .5 .0149 O2 .5 0 .3331 O3 .5 0 .7028