data_global _chemical_name_mineral 'Xifengite' loop_ _publ_author_name 'Santamaria-Perez D' 'Nuss J' 'Haines J' 'Jansen M' 'Vegas A' _journal_name_full 'Solid State Sciences' _journal_volume 6 _journal_year 2004 _journal_page_first 673 _journal_page_last 678 _publ_section_title ; Iron silicides and their corresponding oxides: a high-pressure study of Fe5Si3 Note: P = 8.8 GPa ; _database_code_amcsd 0019676 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Fe5 Si3' _cell_length_a 6.6904 _cell_length_b 6.6904 _cell_length_c 4.667 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 180.914 _exptl_crystal_density_diffrn 6.673 _symmetry_space_group_name_H-M 'P 63/m c m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,z' 'x,x-y,-z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' '-y,-x,1/2+z' 'y,x,1/2-z' 'y,-x+y,-z' '-y,x-y,z' 'x-y,-y,z' '-x+y,y,-z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x,x-y,1/2+z' '-x,-x+y,1/2-z' 'x-y,x,-z' '-x+y,-x,z' 'y,x,z' '-y,-x,-z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x+y,y,1/2+z' 'x-y,-y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe1 0.33333 0.66667 0.00000 Fe2 0.23070 0.00000 0.25000 Si 0.59700 0.00000 0.25000