data_global
_chemical_name_mineral 'Proustite'
loop_
_publ_author_name
'Harker D'
_journal_name_full 'Journal of Chemical Physics'
_journal_volume 4 
_journal_year 1936
_journal_page_first 381
_journal_page_last 390
_publ_section_title
;
 The application of the three-dimensional patterson method and the
 crystal structures of proustite, Ag3 As S3, and pyrargyrite, Ag3 SbS3
 _cod_database_code 1011161
;
_database_code_amcsd 0018040
_chemical_formula_sum 'As Ag3 S3'
_cell_length_a 10.74
_cell_length_b 10.74
_cell_length_c 8.64
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 863.084
_exptl_crystal_density_diffrn      5.711
_symmetry_space_group_name_H-M 'R 3 c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,1/2+z'
  '2/3+x,1/3+x-y,5/6+z'
  '1/3+x,2/3+x-y,1/6+z'
  '-y,-x,1/2+z'
  '2/3-y,1/3-x,5/6+z'
  '1/3-y,2/3-x,1/6+z'
  '-x+y,y,1/2+z'
  '2/3-x+y,1/3+y,5/6+z'
  '1/3-x+y,2/3+y,1/6+z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
As1   0.00000   0.00000   0.00000
Ag1   0.24600   0.29800   0.23500
S1   0.22000   0.09500   0.38500