data_[Si2Ag6S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.7566]
_cell_length_b [6.8375]
_cell_length_c [6.6891]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [SiAg3S4]
_chemical_formula_sum '[Si2 Ag6 S8]'
_cell_volume [354.7621]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Si  Si0  2  0.0000  0.1802  0.0089  1.0
  Ag  Ag1  4  0.2483  0.6780  0.9897  1.0
  Ag  Ag2  2  0.0000  0.8648  0.4955  1.0
  S  S3  4  0.2291  0.3233  0.1129  1.0
  S  S4  2  0.0000  0.1859  0.6884  1.0
  S  S5  2  0.0000  0.8834  0.1174  1.0
]