data_global _amcsd_formula_title 'Ba Cu5 La4 O13.4' loop_ _publ_author_name 'Michel C' 'Er-Rakho L' 'Raveau B' _journal_name_full 'Materials Research Bulletin' _journal_volume 20 _journal_year 1985 _journal_page_first 667 _journal_page_last 671 _publ_section_title ; The oxygen defect perovskite Ba La4 Cu5 O13.4, a metallic conductor _cod_database_code 1001854 ; _database_code_amcsd 0014317 _chemical_formula_sum '(Ba La4) Cu5 O13.395' _cell_length_a 8.644 _cell_length_b 8.644 _cell_length_c 3.867 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 288.937 _exptl_crystal_density_diffrn 7.040 _symmetry_space_group_name_H-M 'P 4/m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'y,-x,-z' '-y,x,z' 'x,y,-z' '-x,-y,z' '-y,x,-z' 'y,-x,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ba1 0.50000 0.50000 0.50000 0.20000 La1 0.50000 0.50000 0.50000 0.80000 Ba2 0.12400 0.27700 0.50000 0.20000 La2 0.12400 0.27700 0.50000 0.80000 Cu1 0.00000 0.00000 0.00000 1.00000 Cu2 0.41500 0.16800 0.00000 1.00000 O1 0.00000 0.00000 0.50000 0.89300 O2 0.00000 0.50000 0.00000 0.89300 O3 0.26100 0.38400 0.00000 0.89300 O4 0.22900 0.06300 0.00000 0.89300 O5 0.42800 0.15500 0.50000 0.89300