Ba2 Ca0.18 Co0.24 Cu2.76 O7 Y0.82 Suard E, Caignaert V, Maignan A, Bouree F, Raveau B Physica C 210 (1993) 164-172 Influence of thermal treatment on Y1-xCaxBa2Cu3-xCoxO7. A neutron diffraction study _cod_database_code 1001587 _database_code_amcsd 0015048 3.8649 3.8649 11.7053 90 90 90 P4/mmm atom x y z occ Y1 .5 .5 .5 .82 Ca1 .5 .5 .5 .18 Ba1 .5 .5 .1897 Cu1 0 0 0 .76 Co1 0 0 0 .24 Cu2 0 0 .3588 O1 0 .5 .3767 O2 0 0 .1544 O3 .058 .5 0 .250