Ca0.03 Cu La1.97 O4.091 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 1006183 _database_code_amcsd 0015092 5.3510 5.3801 13.1940 90 90 90 Bmab atom x y z occ La1 0 .0020 .3602 .985 Ca1 0 .0020 .3602 .015 Cu1 0 0 0 O1 .25 .25 .0050 O2 0 -.0226 .1825 .863 O3 .029 .097 .181 .0685 O4 .25 .25 .227 .0455