Ba2 Ca0.15 Co0.12 Cu2.88 O7.01 Y0.85 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 1001590 _database_code_amcsd 0015051 3.8424 3.8810 11.6821 90 90 90 Pmmm atom x y z occ Y1 .5 .5 .5 .85 Ca1 .5 .5 .5 .15 Ba1 .5 .5 .1858 Cu1 0 0 0 .89 Co1 0 0 0 .11 Cu2 0 0 .3565 .995 Co2 0 0 .3565 .005 O1 0 .5 .3785 O2 .5 0 .3754 O3 0 0 .1577 O4 .051 .5 0 .395 O5 .5 .051 0 .11