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 Rietveld ; _database_code_amcsd 0013058 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ba Fe12 O19' _cell_length_a 5.9291 _cell_length_b 5.9281 _cell_length_c 23.407 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 712.493 _exptl_crystal_density_diffrn 5.181 _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 0.01267 Fe1 0.00000 0.00000 0.00000 1.00000 0.01646 Fe2 0.00000 0.00000 0.26100 0.50000 0.00253 Fe3 0.33333 0.66667 0.02700 1.00000 0.01267 Fe4 0.33333 0.66667 0.19080 1.00000 0.00507 Fe5 0.16710 0.33420 -0.10800 1.00000 0.01520 O1 0.00000 0.00000 0.14920 1.00000 0.00633 O2 0.33333 0.66667 -0.05470 1.00000 0.01013 O3 0.18100 0.36200 0.25000 1.00000 0.00887 O4 0.15590 0.31180 0.05170 1.00000 0.00887 O5 0.50130 1.00260 0.14910 1.00000 0.01267