data_2300091 _journal_name_full 'Journal of Applied Crystallography' _journal_year 2004 _journal_volume 37 _journal_page_first 82 _journal_page_last 90 _chemical_formula_sum "C Fe3" _chemical_formula_weight 179.55 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M "P n m a" loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 +x,+y,+z 2 -x+1/2,+y+1/2,+z+1/2 3 +x,-y+1/2,+z 4 -x+1/2,-y,+z+1/2 -1 -x,-y,-z -2 +x+1/2,-y+1/2,-z+1/2 -3 -x,+y+1/2,-z -4 +x+1/2,+y,-z+1/2 _cell_length_a 5.08990(16) _cell_length_b 6.7810(2) _cell_length_c 4.52797(13) _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_volume 156.28165 _cell_formula_units_Z 4 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy _atom_site_type_symbol Fe1 0.19054 0.05722 0.33137 0.02276 Uiso 1.0 FE Fe2 0.03453 0.25 0.83714 0.02276 Uiso 1.0 FE C 0.90599 0.25 0.44807 0.01633 Uiso 1.0 C