data_global _amcsd_formula_title 'Co Cu O2' loop_ _publ_author_name 'Bertaut F' 'Delorme C' _journal_name_full 'Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences' _journal_volume 238 _journal_year 1954 _journal_page_first 1829 _journal_page_last 1830 _publ_section_title ; Le systeme Co-Cu-O. _cod_database_code 1008152 ; _database_code_amcsd 0016092 _chemical_formula_sum 'Cu Co O2' _cell_length_a 5.95 _cell_length_b 5.95 _cell_length_c 5.95 _cell_angle_alpha 27.7 _cell_angle_beta 27.7 _cell_angle_gamma 27.7 _cell_volume 40.185 _exptl_crystal_density_diffrn 6.383 _symmetry_space_group_name_H-M 'R -3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-z,-y' '-z,-x,-y' 'y,x,z' 'y,z,x' '-z,-y,-x' '-x,-y,-z' 'x,z,y' 'z,x,y' '-y,-x,-z' '-y,-z,-x' 'z,y,x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cu1 0.00000 0.00000 0.00000 Co1 0.50000 0.50000 0.50000 O1 0.11100 0.11100 0.11100