data_global _chemical_name_mineral 'Tenorite' loop_ _publ_author_name 'Calos N J' 'Forrester J S' 'Schaffer G B' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 122 _journal_year 1996 _journal_page_first 273 _journal_page_last 280 _publ_section_title ; A crystallographic contribution to the mechanism of a mechanically induced solid state reaction Note: milling time = 25 min ; _database_code_amcsd 0018815 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Cu O' _cell_length_a 4.6839 _cell_length_b 3.4734 _cell_length_c 5.1226 _cell_angle_alpha 90 _cell_angle_beta 98.7300 _cell_angle_gamma 90 _cell_volume 82.374 _exptl_crystal_density_diffrn 6.414 _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 0.47210 0.25000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Cu 0.01520 0.01589 0.01948 -0.00244 0.01188 0.02406 O 0.17699 0.03423 0.10650 0.00000 -0.07006 0.00000