data_1010150 _chemical_name_systematic 'Carbon oxide' _chemical_formula_structural 'C O2' _chemical_formula_sum 'O2' _publ_section_title ; The structure of solid nitrous oxide and carbon dioxide ; loop_ _publ_author_name 'de=Smedt, J' 'Keesom, W H' _journal_name_full ; Koninklijke Nederlandse Akademie van Wetenschappen, Series B: Physical Sciences: Proceedings ; _journal_coden_ASTM KNWBAA _journal_volume 27 _journal_year 1924 _journal_page_first 839 _journal_page_last 846 _cell_length_a 5.63 _cell_length_b 5.63 _cell_length_c 5.63 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 178.5 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P n -3 S' _symmetry_Int_Tables_number 201 _symmetry_cell_setting cubic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,-z' '-x,y,-z' '-x,-y,z' 'y,z,x' '-y,-z,x' 'y,-z,-x' '-y,z,-x' 'z,x,y' '-z,x,-y' '-z,-x,y' 'z,-x,-y' '1/2-x,1/2-y,1/2-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2+x,1/2+y,1/2-z' '1/2-y,1/2-z,1/2-x' '1/2+y,1/2+z,1/2-x' '1/2-y,1/2+z,1/2+x' '1/2+y,1/2-z,1/2+x' '1/2-z,1/2-x,1/2-y' '1/2+z,1/2-x,1/2+y' '1/2+z,1/2+x,1/2-y' '1/2-z,1/2+x,1/2+y' loop_ _atom_type_symbol _atom_type_oxidation_number C4+ 4.000 O2- -2.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag C1 C4+ 4 b 0.25 0.25 0.25 1. 0 d O1 O2- 8 e 0.108 0.108 0.108 1. 0 d