Ba2 Co0.554 Cu2.446 O7.12 Y Renevier H, Hodeau J, Marezio M, Santoro A Physica C 220 (1994) 143-159 Electron- and powder neutron-diffraction studies of Y Ba2 (Cu1-y Coy)3 O6+x with 0.05< y< 0.33 _cod_database_code 1008670 _database_code_amcsd 0016556 3.8850 3.8850 11.7055 90 90 90 P4/mmm atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ba1 .5 .5 .1911 Y1 .5 .5 .5 Cu1 0 0 0 .476 Co1 0 0 0 .524 Cu2 0 0 .3601 .985 Co2 0 0 .3601 .015 O1 0 0 .1534 O2 0 .5 .3784 O3 0 .5 0 .56 12.9 5.9 1.3 0 0 0