data_global _chemical_name_mineral 'Oxygen' loop_ _publ_author_name 'Schiferl D' 'Cromer D T' 'Schwalbe L A' 'Mills R L' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 39 _journal_year 1983 _journal_page_first 153 _journal_page_last 157 _publ_section_title ; Structure of 'Orange' 18O2 at 9.6 GPa and 297 K ; _database_code_amcsd 0020615 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'O' _cell_length_a 4.2151 _cell_length_b 2.9567 _cell_length_c 6.6897 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 83.372 _exptl_crystal_density_diffrn 2.549 _symmetry_space_group_name_H-M 'F m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,y,1/2+z' '1/2+x,1/2+y,z' 'x,-y,z' 'x,1/2-y,1/2+z' '1/2+x,-y,1/2+z' '1/2+x,1/2-y,z' '-x,y,-z' '-x,1/2+y,1/2-z' '1/2-x,y,1/2-z' '1/2-x,1/2+y,-z' '-x,y,z' '-x,1/2+y,1/2+z' '1/2-x,y,1/2+z' '1/2-x,1/2+y,z' 'x,-y,-z' 'x,1/2-y,1/2-z' '1/2+x,-y,1/2-z' '1/2+x,1/2-y,-z' 'x,y,-z' 'x,1/2+y,1/2-z' '1/2+x,y,1/2-z' '1/2+x,1/2+y,-z' '-x,-y,z' '-x,1/2-y,1/2+z' '1/2-x,-y,1/2+z' '1/2-x,1/2-y,z' '-x,-y,-z' '-x,1/2-y,1/2-z' '1/2-x,-y,1/2-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z O 0.00000 0.00000 0.08710