data_global _amcsd_formula_title 'Ba Co1.8 Fe16.2 O27' loop_ _publ_author_name 'Collomb A' 'Lambert Andron B' 'Boucherle J' 'Samaras D' _journal_name_full 'Physica Status Solidi' _journal_volume A96 _journal_year 1986 _journal_page_first 385 _journal_page_last 395 _publ_section_title ; Crystal structure and Cobalt location in the W-type hexagonal ferrite (Ba) Co2-W. _cod_database_code 1008345 ; _database_code_amcsd 0016256 _chemical_formula_sum 'Ba Fe16.2 Co1.8 O27' _cell_length_a 5.9043 _cell_length_b 5.9043 _cell_length_c 32.910 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 993.563 _exptl_crystal_density_diffrn 5.282 _symmetry_space_group_name_H-M 'P 63/m m c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,1/2+z' 'x,x-y,1/2-z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' '-y,-x,z' 'y,x,-z' 'y,-x+y,-z' '-y,x-y,z' 'x-y,-y,1/2+z' '-x+y,y,1/2-z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x,x-y,z' '-x,-x+y,-z' 'x-y,x,-z' '-x+y,-x,z' 'y,x,1/2+z' '-y,-x,1/2-z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x+y,y,z' 'x-y,-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ba1 0.00000 0.00000 0.25000 1.00000 Fe1 0.33333 0.66667 -0.24469 0.50000 Fe2 0.33333 0.66667 -0.42607 0.88000 Co1 0.33333 0.66667 -0.42607 0.12000 Fe3 0.50000 0.00000 0.00000 0.88000 Co2 0.50000 0.00000 0.00000 0.12000 Fe4 0.00000 0.00000 0.05587 0.88000 Co3 0.00000 0.00000 0.05587 0.12000 Fe5 0.33333 0.66667 0.09293 0.88000 Co4 0.33333 0.66667 0.09293 0.12000 Fe6 0.33333 0.66667 0.20794 1.00000 Fe7 -0.16464 -0.32927 0.15017 0.88000 Co5 -0.16464 -0.32927 0.15017 0.12000 O1 0.00000 0.00000 0.11267 1.00000 O2 0.33333 0.66667 0.03487 1.00000 O3 0.33333 0.66667 0.32024 1.00000 O4 0.48570 0.97140 0.25000 1.00000 O5 -0.51160 -0.02320 0.11030 1.00000 O6 -0.17500 -0.35000 0.03617 1.00000 O7 0.16420 0.32830 0.17904 1.00000