data_global
_chemical_name_mineral 'Crednerite'
loop_
_publ_author_name
'Kondrashev I D'
_journal_name_full 'Soviet Physics Crystallography'
_journal_volume 3 
_journal_year 1959
_journal_page_first 703
_journal_page_last 706
_publ_section_title
;
 The crystal structure and composition of crednerite, CuMnO2
 Note: calculated bond lengths unreconcileable with reported
;
_database_code_amcsd 0015535
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Cu Mn O2'
_cell_length_a 5.530
_cell_length_b 2.884
_cell_length_c 5.898
_cell_angle_alpha 90
_cell_angle_beta 104.6
_cell_angle_gamma 90
_cell_volume 91.027
_exptl_crystal_density_diffrn      5.490
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-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   0.00000   0.50000   0.50000
Mn   0.00000   0.00000   0.00000
O   0.41600   0.00000   0.14300