Ca0.1 Cu La1.9 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 1006181 _database_code_amcsd 0015090 5.3239 5.3709 13.1446 90 90 90 Bmab atom x y z occ La1 0 .0062 .3612 .95 Ca1 0 .0062 .3612 .05 Cu1 0 0 0 O1 .25 .25 .0070 1.010 O2 0 -.0293 .1821 .995