Ca0.05 Cu La1.95 O4.1 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 1006189 _database_code_amcsd 0015098 5.3310 5.3826 13.1623 90 90 90 Bmab atom x y z occ La1 0 .0007 .3608 .975 Ca1 0 .0007 .3608 .025 Cu1 0 0 0 O1 .25 .25 .0049 1.01 O2 0 -.025 .1821 .880 O3 .055 .088 .182 .060 O4 .25 .25 .234 .040