data_global _chemical_name_mineral 'Tenorite' loop_ _publ_author_name 'Wyckoff R W G' _journal_name_full 'Crystal Structures' _journal_volume 1 _journal_year 1963 _journal_page_first 85 _journal_page_last 237 _publ_section_title ; Second edition. Interscience Publishers, New York, New York ; _database_code_amcsd 0011639 _chemical_formula_sum 'Cu O' _cell_length_a 4.653 _cell_length_b 3.410 _cell_length_c 5.108 _cell_angle_alpha 90 _cell_angle_beta 99.48 _cell_angle_gamma 90 _cell_volume 79.940 _exptl_crystal_density_diffrn 6.609 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cu 0.25000 0.25000 0.00000 O 0.00000 -0.58400 0.25000