Ba2 Ca0.27 Co0.36 Cu2.64 O7.05 Y0.73 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 1001591 _database_code_amcsd 0015052 3.8666 3.8666 11.6726 90 90 90 P4/mmm atom x y z occ Y1 .5 .5 .5 .73 Ca1 .5 .5 .5 .27 Ba1 .5 .5 .1886 Cu1 0 0 0 .73 Co1 0 0 0 .27 Cu2 0 0 .3585 .955 Co2 0 0 .3585 .045 O1 0 .5 .3758 O2 0 0 .1564 O3 .059 .5 0 .2625