data_global
_chemical_name_mineral 'Domeykite'
loop_
_publ_author_name
'Iglesias J E'
'Nowacki W'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 145 
_journal_year 1977
_journal_page_first 334
_journal_page_last 345
_publ_section_title
;
 Refinement of the crystal structure of alpha domeykite,
 a structure related to the A15 type
;
_database_code_amcsd 0010794
_chemical_compound_source 'Mohawk No. 2 mine, Keweenaw County, Michigan, USA'
_chemical_formula_sum 'Cu3 As'
_cell_length_a 9.619
_cell_length_b 9.619
_cell_length_c 9.619
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 890.000
_exptl_crystal_density_diffrn      7.928
_symmetry_space_group_name_H-M 'I -4 3 d'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2-z,x,-y'
  '-z,1/2+x,1/2-y'
  '1/2-y,z,-x'
  '-y,1/2+z,1/2-x'
  '1/2-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/4+x,3/4-z,1/4-y'
  '3/4+x,1/4-z,3/4-y'
  '1/4+z,3/4-y,1/4-x'
  '3/4+z,1/4-y,3/4-x'
  '1/4+y,3/4-x,1/4-z'
  '3/4+y,1/4-x,3/4-z'
  '1/4+x,1/4+z,1/4+y'
  '3/4+x,3/4+z,3/4+y'
  '1/4+z,1/4+y,1/4+x'
  '3/4+z,3/4+y,3/4+x'
  '1/4+y,1/4+x,1/4+z'
  '3/4+y,3/4+x,3/4+z'
  '-z,1/2-x,y'
  '1/2-z,-x,1/2+y'
  '-y,1/2-z,x'
  '1/2-y,-z,1/2+x'
  '-x,1/2-y,z'
  '1/2-x,-y,1/2+z'
  '1/2+z,1/2-x,-y'
  '+z,-x,1/2-y'
  '1/2+y,1/2-z,-x'
  '+y,-z,1/2-x'
  '1/2+x,1/2-y,-z'
  '+x,-y,1/2-z'
  '3/4-x,3/4+z,1/4-y'
  '1/4-x,1/4+z,3/4-y'
  '3/4-z,3/4+y,1/4-x'
  '1/4-z,1/4+y,3/4-x'
  '3/4-y,3/4+x,1/4-z'
  '1/4-y,1/4+x,3/4-z'
  '3/4-x,1/4-z,1/4+y'
  '1/4-x,3/4-z,3/4+y'
  '3/4-z,1/4-y,1/4+x'
  '1/4-z,3/4-y,3/4+x'
  '3/4-y,1/4-x,1/4+z'
  '1/4-y,3/4-x,3/4+z'
  'z,x,y'
  '1/2+z,1/2+x,1/2+y'
  'y,z,x'
  '1/2+y,1/2+z,1/2+x'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Cu  -0.02930   0.12020   0.18760
As  -0.02980  -0.02980  -0.02980
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 0.01359 0.01078 0.02062 -0.00047 0.00422 0.00047
As 0.00891 0.00891 0.00891 -0.00042 -0.00042 -0.00042