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 = 470 C, neutron, refined with MXD ; _database_code_amcsd 0013057 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ba Fe12 O19' _cell_length_a 5.929 _cell_length_b 5.929 _cell_length_c 23.413 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 712.772 _exptl_crystal_density_diffrn 5.179 _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 _atom_site_U_iso_or_equiv Ba 0.66667 0.33333 0.25000 1.00000 0.03040 Fe1 0.00000 0.00000 0.00000 1.00000 0.00887 Fe2 0.00000 0.00000 0.26100 0.50000 0.00253 Fe3 0.33333 0.66667 0.02640 1.00000 0.01520 Fe4 0.33333 0.66667 0.18970 1.00000 0.00887 Fe5 0.16670 0.33340 -0.10810 1.00000 0.00887 O1 0.00000 0.00000 0.15100 1.00000 0.02406 O2 0.33333 0.66667 -0.05580 1.00000 0.01013 O3 0.18300 0.36600 0.25000 1.00000 0.00633 O4 0.15700 0.31400 0.05200 1.00000 0.01267 O5 0.50300 1.00600 0.14940 1.00000 0.01267