data_global _amcsd_formula_title 'Fe2C9O9' loop_ _publ_author_name 'Powell H' 'Ewens R' _journal_name_full 'Journal of the Chemical Society' _journal_volume 1939 _journal_year 1939 _journal_page_first 286 _journal_page_last 292 _publ_section_title ; The crystal structure of iron enneacarbonyl _cod_database_code 1010480 ; _database_code_amcsd 0017396 _chemical_formula_sum 'Fe2 C9 O9' _cell_length_a 6.45 _cell_length_b 6.45 _cell_length_c 15.98 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 575.740 _exptl_crystal_density_diffrn 2.098 _symmetry_space_group_name_H-M 'P 63/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' 'y,-x+y,-z' '-y,x-y,z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x-y,x,-z' '-x+y,-x,z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe 0.33333 0.66667 0.17300 C1 0.32000 0.86000 0.25000 O1 0.31500 0.05500 0.25000 C2 0.35000 0.43000 0.11000 O2 0.36000 0.28500 0.07000