Ca0.1 Cu La1.9 O4.058 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 1006186 _database_code_amcsd 0015095 5.3474 5.3581 13.1870 90 90 90 Bmab atom x y z occ La1 0 .0018 .3602 .95 Ca1 0 .0018 .3602 .05 Cu1 0 0 0 O1 .25 .25 .0037 O2 0 -.0217 .1824 .913 O3 .039 .086 .184 .0435 O4 .25 .25 .243 .029