data_global
_chemical_name_mineral 'Koutekite'
loop_
_publ_author_name
'Liebisch W'
'Schubert K'
_journal_name_full 'Journal of the Less-Common Metals'
_journal_volume 23 
_journal_year 1971
_journal_page_first 231
_journal_page_last 236
_publ_section_title
;
 Zur struktur der mischung kupfer-arsen
;
_database_code_amcsd 0014136
_chemical_formula_sum 'Cu5 As2'
_cell_length_a 5.977
_cell_length_b 11.577
_cell_length_c 5.491
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 379.954
_exptl_crystal_density_diffrn      8.174
_symmetry_space_group_name_H-M 'I b a m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,-z'
  '-x,y,1/2+z'
  '1/2-x,1/2+y,+z'
  'x,-y,1/2-z'
  '1/2+x,1/2-y,-z'
  'x,y,-z'
  '1/2+x,1/2+y,1/2-z'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,-z'
  '1/2-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Cu1   0.33500   0.40900   0.00000   0.01393
Cu2   0.00000   0.26400   0.25000   0.01013
Cu3   0.50000   0.00000   0.25000   0.01013
As   0.23800   0.11800   0.00000 ?