Ba Cu5 La4 O13.4 Michel C, Er-Rakho L, Raveau B Materials Research Bulletin 20 (1985) 667-671 The oxygen defect perovskite Ba La4 Cu5 O13.4, a metallic conductor _cod_database_code 1001854 _database_code_amcsd 0014317 8.644 8.644 3.867 90 90 90 P4/m atom x y z occ Ba1 .5 .5 .5 .2 La1 .5 .5 .5 .8 Ba2 .124 .277 .5 .2 La2 .124 .277 .5 .8 Cu1 0 0 0 Cu2 .415 .168 0 O1 0 0 .5 .893 O2 0 .5 0 .893 O3 .261 .384 0 .893 O4 .229 .063 0 .893 O5 .428 .155 .5 .893