data_global _chemical_name_mineral 'Clinoferrosilite' loop_ _publ_author_name 'Sueno S' 'Kimata M' 'Prewitt C T' _journal_name_full 'American Mineralogist' _journal_volume 69 _journal_year 1984 _journal_page_first 264 _journal_page_last 269 _publ_section_title ; The crystal structure of high clinoferrosilicate T = 1050 C ; _database_code_amcsd 0000936 _chemical_formula_sum 'Fe Si O3' _cell_length_a 9.928 _cell_length_b 9.179 _cell_length_c 5.338 _cell_angle_alpha 90 _cell_angle_beta 110.20 _cell_angle_gamma 90 _cell_volume 456.527 _exptl_crystal_density_diffrn 3.839 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Fe1 0.00000 0.90140 0.25000 0.02571 Fe2 0.00000 0.26250 0.25000 0.03597 Si 0.29620 0.08520 0.27080 0.02406 O1 0.12410 0.09030 0.15870 0.04154 O2 0.37470 0.23980 0.36160 0.02824 O3 0.35890 0.01340 0.04450 0.03040