data_global
_chemical_name_mineral 'Tenorite'
loop_
_publ_author_name
'Asbrink S'
'Norrby L J'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 26
_journal_year 1970
_journal_page_first 8
_journal_page_last 15
_publ_section_title
;
 A refinement of the crystal structure of copper(II) oxide,
 with a discussion of some exceptional E.s.d.'s
;
_database_code_amcsd 18812
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Cu O'
_cell_length_a 4.6837
_cell_length_b 3.4226
_cell_length_c 5.1288
_cell_angle_alpha 90.0
_cell_angle_beta 99.54
_cell_angle_gamma 90.0
_cell_volume 81.08
_exptl_crystal_density_diffrn  6.516
_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   0.25  0.25  0.0
O   0.0  0.4184  0.25
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   0.00573  0.00786  0.00454  0.00209  0.00134  0.00084
O   0.0068  0.0111  0.0056  0.0  0.003  0.0