data_global _chemical_name_mineral 'Naquite' loop_ _publ_author_name 'Wever F' 'Moeller H' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 75 _journal_year 1930 _journal_page_first 362 _journal_page_last 365 _publ_section_title ; Ueber den Kristallbau des Eisensilizides FeSi _cod_database_code 1011343 ; _database_code_amcsd 0018180 _chemical_formula_sum 'Fe Si' _cell_length_a 4.467 _cell_length_b 4.467 _cell_length_c 4.467 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 89.135 _exptl_crystal_density_diffrn 6.254 _symmetry_space_group_name_H-M 'P 21 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-z,-x,1/2+y' '-z,1/2+x,1/2-y' '1/2+z,1/2-x,-y' 'z,x,y' '1/2+y,1/2-z,-x' '1/2-y,-z,1/2+x' '-y,1/2+z,1/2-x' 'y,z,x' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe 0.13400 0.13400 0.13400 Si 0.84450 0.84450 0.84450