data_global _amcsd_formula_title 'BiPbBaLaCuO6' loop_ _publ_author_name 'Michel C' 'Pelloquin D' 'Hervieu M' 'Raveau B' 'Bouree F' _journal_name_full 'European Journal of Solid State and Inorganic Chemistry' _journal_volume 30 _journal_year 1993 _journal_page_first 991 _journal_page_last 996 _publ_section_title ; Neutron diffraction study of the modulation free 2201-type structure: BiPbBaLaCuO6 _cod_database_code 1001570 ; _database_code_amcsd 0012585 _chemical_formula_sum '(Bi Pb) (Ba La) Cu O6' _cell_length_a 5.4071 _cell_length_b 5.4895 _cell_length_c 24.549 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 728.670 _exptl_crystal_density_diffrn 7.766 _symmetry_space_group_name_H-M 'P n a n' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+z' '-x,1/2+y,1/2+z' 'x,1/2-y,1/2-z' '1/2+x,-y,z' '1/2-x,y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Bi1 -0.00520 0.26660 0.06050 0.50000 Pb1 -0.00520 0.26660 0.06050 0.50000 Ba1 0.00890 0.75000 0.17560 0.50000 La1 0.00890 0.75000 0.17560 0.50000 Cu1 0.50000 0.75000 0.25000 1.00000 O1 0.75000 0.00000 0.25000 1.00000 O2 0.49660 0.78140 0.14640 1.00000 O3 0.90250 0.64500 0.06960 0.50000 O4 0.09750 0.64500 0.06960 0.50000