data_global _amcsd_formula_title 'Fe12 O19 Sr' loop_ _publ_author_name 'Obradors X' 'Solans X' 'Collomb A' 'Samaras D' 'Rodriguez J' 'Pernet M' 'Font-Altaba M' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 72 _journal_year 1988 _journal_page_first 218 _journal_page_last 224 _publ_section_title ; Crystal structure of strontium hexaferrite Sr Fe12 O19 _cod_database_code 1006000 ; _database_code_amcsd 0013608 _chemical_formula_sum 'Sr Fe12 O19' _cell_length_a 5.8844 _cell_length_b 5.8844 _cell_length_c 23.050 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 691.203 _exptl_crystal_density_diffrn 5.102 _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 0.66667 0.33333 0.25000 1.00000 Fe1 0.00000 0.00000 0.00000 1.00000 Fe2 0.00000 0.00000 0.25420 0.50000 Fe3 0.33333 0.66667 0.02720 1.00000 Fe4 0.33333 0.66667 0.19090 1.00000 Fe5 0.16890 0.33780 -0.10930 1.00000 O1 0.00000 0.00000 0.15160 1.00000 O2 0.33333 0.66667 -0.05520 1.00000 O3 0.18170 0.36340 0.25000 1.00000 O4 0.15650 0.31300 0.05270 1.00000 O5 0.50470 0.00940 0.15080 1.00000