data_global _amcsd_formula_title 'Fe12 O19 Sr' loop_ _publ_author_name 'Muller J' 'Collomb A' _journal_name_full 'Journal of Magnetism and Magnetic Materials' _journal_volume 103 _journal_year 1992 _journal_page_first 194 _journal_page_last 203 _publ_section_title ; A new representation of the bipyramidal site in the Sr Fe12 O19 M-type hexagonal ferrite between 4.6 and 195 K _cod_database_code 1008856 ; _database_code_amcsd 0016722 _chemical_formula_sum 'Sr Fe12 O19' _cell_length_a 5.8821 _cell_length_b 5.8821 _cell_length_c 23.02299 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 689.854 _exptl_crystal_density_diffrn 5.112 _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 Sr1 0.33333 0.66667 0.75000 1.00000 Fe1 0.00000 0.00000 0.00000 1.00000 Fe2 0.00000 0.00000 0.25580 0.50000 Fe3 0.33333 0.66667 0.02728 1.00000 Fe4 0.33333 0.66667 0.19080 1.00000 Fe5 0.16878 0.33756 -0.10921 1.00000 O1 0.00000 0.00000 0.15160 1.00000 O2 0.33333 0.66667 -0.05520 1.00000 O3 0.18280 0.36560 0.25000 1.00000 O4 0.15630 0.31260 0.05240 1.00000 O5 0.50510 0.01020 0.15100 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 Sr1 0.01370 0.01370 0.01090 0.00690 0.00000 0.00000 Fe1 0.00640 0.00640 0.00570 0.00320 0.00000 0.00000 Fe3 0.00740 0.00740 0.00450 0.00370 0.00000 0.00000 Fe4 0.00540 0.00540 0.00620 0.00270 0.00000 0.00000 Fe5 0.00570 0.00570 0.00710 0.00290 0.00010 0.00020 O1 0.00510 0.00510 0.00800 0.00260 0.00000 0.00000 O2 0.01030 0.01030 0.00330 0.00520 0.00000 0.00000 O3 0.01310 0.00490 0.01120 0.00250 0.00000 0.00000 O4 0.00930 0.00450 0.00790 0.00230 0.00080 0.00150 O5 0.00710 0.00900 0.01010 0.00450 0.00080 0.00150