Ca0.08 Cu La1.92 O4 Rial C, Moran E, Alario-Franco M, Amador U, Martinez J, Rodriguez-Carvajal J, Andersen N Physica C 297 (1998) 277-293 Effects of extra oxygen on the structure and superconductivity of La2-xCaxCuO4+y prepared by chemical oxidation _cod_database_code 1006180 _database_code_amcsd 0015089 5.3271 5.3793 13.1327 90 90 90 Bmab atom x y z occ La1 0 .0049 .3613 .96 Ca1 0 .0049 .3613 .04 Cu1 0 0 0 O1 .25 .25 .0069 1.01 O2 0 -.0325 .1824 .995