data_global _amcsd_formula_title 'Ba0.99 Fe6.295 Mg0.705 O11' loop_ _publ_author_name 'Collomb A' 'Muller J' 'Fournier T' _journal_name_full 'Materials Research Bulletin' _journal_volume 28 _journal_year 1993 _journal_page_first 621 _journal_page_last 627 _publ_section_title ; Magnesium location in the barium-magnesium-iron Y-type hexagonal ferrite _cod_database_code 1008651 ; _database_code_amcsd 0016539 _chemical_formula_sum 'Ba.99 Mg.705 Fe6.295 O11' _cell_length_a 5.865 _cell_length_b 5.865 _cell_length_c 43.48599 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1295.436 _exptl_crystal_density_diffrn 5.235 _symmetry_space_group_name_H-M 'R -3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' 'y,x,-z' '2/3+y,1/3+x,1/3-z' '1/3+y,2/3+x,2/3-z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-x,-x+y,-z' '2/3-x,1/3-x+y,1/3-z' '1/3-x,2/3-x+y,2/3-z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' 'x-y,-y,-z' '2/3+x-y,1/3-y,1/3-z' '1/3+x-y,2/3-y,2/3-z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-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 0.29985 0.99000 Mg1 0.00000 0.00000 0.37646 0.04000 Fe1 0.00000 0.00000 0.37646 0.96000 Mg2 0.00000 0.00000 0.15225 0.14000 Fe2 0.00000 0.00000 0.15225 0.86000 Fe3 0.00000 0.00000 0.06558 1.00000 Mg3 0.00000 0.00000 0.50000 0.12000 Fe4 0.00000 0.00000 0.50000 0.88000 Mg4 0.50381 0.49619 0.10962 0.13500 Fe5 0.50381 0.49619 0.10962 0.86500 Mg5 0.00000 0.00000 0.00000 0.12000 Fe6 0.00000 0.00000 0.00000 0.88000 O1 0.00000 0.00000 0.41978 1.00000 O2 0.00000 0.00000 0.19632 1.00000 O3 0.15830 0.84170 0.02892 1.00000 O4 0.82994 0.17006 0.08495 1.00000 O5 0.17682 0.82318 0.13835 1.00000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ba1 0.00880 0.00880 0.00880 0.00440 0.00000 0.00000 Mg1 0.00490 0.00490 0.00430 0.00250 0.00000 0.00000 Fe1 0.00490 0.00490 0.00430 0.00250 0.00000 0.00000 Mg2 0.00410 0.00410 0.00510 0.00210 0.00000 0.00000 Fe2 0.00410 0.00410 0.00510 0.00210 0.00000 0.00000 Fe3 0.00540 0.00540 0.00500 0.00270 0.00000 0.00000 Mg3 0.00510 0.00510 0.00380 0.00250 0.00000 0.00000 Fe4 0.00510 0.00510 0.00380 0.00250 0.00000 0.00000 Mg4 0.00550 0.00550 0.00560 0.00330 0.00000 0.00000 Fe5 0.00550 0.00550 0.00560 0.00330 0.00000 0.00000 Mg5 0.00650 0.00650 0.00430 0.00320 0.00000 0.00000 Fe6 0.00650 0.00650 0.00430 0.00320 0.00000 0.00000 O1 0.00590 0.00590 0.00380 0.00300 0.00000 0.00000 O2 0.00450 0.00450 0.00810 0.00230 0.00000 0.00000 O3 0.00990 0.00990 0.01130 0.00510 -0.00270 0.00270 O4 0.00510 0.00510 0.00730 0.00200 0.00090 -0.00090 O5 0.00610 0.00610 0.00560 0.00340 0.00010 -0.00010