Ba2 Co0.345 Cu2.655 O7.29 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 1008667 _database_code_amcsd 0016553 3.8684 3.8684 11.6596 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 .1858 Y1 .5 .5 .5 Cu1 0 0 0 .66 Co1 0 0 0 .34 Cu2 0 0 .3580 .9975 Co2 0 0 .3580 .0025 O1 0 0 .1559 O2 0 .5 .3768 O3 0 .5 0 .643 8.1 4.4 2.2 0 0 0