data_global
_chemical_name_mineral 'Algodonite'
loop_
_publ_author_name
'Heyding R D'
'Despault G J G'
_journal_name_full 'Canadian Journal of Chemistry'
_journal_volume 38 
_journal_year 1960
_journal_page_first 2477
_journal_page_last 2481
_publ_section_title
;
 The copper/arsenic system and the copper arsenide minerals
;
_database_code_amcsd 0018469
_chemical_compound_source 'Synthetic'
_chemical_formula_sum '(Cu.889 As.111)'
_cell_length_a 2.588
_cell_length_b 2.588
_cell_length_c 4.226
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 24.513
_exptl_crystal_density_diffrn      8.781
_symmetry_space_group_name_H-M 'P 63/m m c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  'x,x-y,1/2-z'
  '-x+y,-x,1/2-z'
  'x-y,x,1/2+z'
  '-y,-x,z'
  'y,x,-z'
  'y,-x+y,-z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  '-x+y,y,1/2-z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  'x,x-y,z'
  '-x,-x+y,-z'
  'x-y,x,-z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  '-y,-x,1/2-z'
  '-y,x-y,1/2-z'
  'y,-x+y,1/2+z'
  '-x+y,y,z'
  'x-y,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Cu   0.33333   0.66667   0.25000   0.88900
As   0.33333   0.66667   0.25000   0.11100