data_global _chemical_name_mineral 'Barioferrite' loop_ _publ_author_name 'Collomb A' 'Wolfers P' 'Obradors X' _journal_name_full 'Journal of Magnetism and Magnetic Materials' _journal_volume 62 _journal_year 1986 _journal_page_first 57 _journal_page_last 67 _publ_section_title ; Neutron diffraction studies of some hexagonal ferrites: BaFe12O19, BaMg2-W and CaCo2-W Note: T = 4.2 K Sample: BaCo2 - W ; _database_code_amcsd 0013061 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ba Fe16.069 Co1.931 O27' _cell_length_a 5.899 _cell_length_b 5.899 _cell_length_c 32.846 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 989.851 _exptl_crystal_density_diffrn 5.303 _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 Ba 0.00000 0.00000 0.25000 1.00000 Fe1 0.33333 0.66667 -0.25000 1.00000 Fe2 0.33333 0.66667 -0.42680 0.91400 Co2 0.33333 0.66667 -0.42680 0.08600 Fe3 0.50000 0.00000 0.00000 0.59500 Co3 0.50000 0.00000 0.00000 0.40500 Fe4 0.00000 0.00000 0.05520 0.85200 Co4 0.00000 0.00000 0.05520 0.14800 Fe5 0.33333 0.66667 0.09260 0.87600 Co5 0.33333 0.66667 0.09260 0.12400 Fe6 0.33333 0.66667 0.20720 1.00000 Fe7 -0.16430 -0.32860 0.15060 1.00000 O1 0.00000 0.00000 0.11600 1.00000 O2 0.33333 0.66667 0.03170 1.00000 O3 0.33333 0.66667 -0.32700 1.00000 O4 0.48800 0.97600 0.25000 1.00000 O5 0.50200 1.00400 0.10980 1.00000 O6 -0.17600 -0.35200 0.03500 1.00000 O7 0.17000 0.34000 0.18110 1.00000