Ca0.08 Cu La1.92 O4.07 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 1006190 _database_code_amcsd 0015099 5.3360 5.3671 13.1638 90 90 90 Bmab atom x y z occ La1 0 .0003 .3607 .96 Ca1 0 .0003 .3607 .04 Cu1 0 0 0 O1 .25 .25 .0045 O2 0 -.022 .1823 .900 O3 .032 .111 .183 .050 O4 .25 .25 .234 .035