data_[Si2Ag16S12]
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 [7.6820]
_cell_length_b [7.4960]
_cell_length_c [10.5760]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Si(Ag4S3)2]
_chemical_formula_sum '[Si2 Ag16 S12]'
_cell_volume [609.0116]
_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  0.7537  0.5197  1
  Ag  Ag1  4  0.2012  0.8581  0.1559  1
  Ag  Ag2  4  0.2033  0.8951  0.8649  1
  Ag  Ag3  4  0.2052  0.4724  0.2677  1
  Ag  Ag4  2  0.0000  0.2889  0.4811  1
  Ag  Ag5  2  0.0000  0.3743  0.0349  1
  S  S6  4  0.2327  0.7549  0.4058  1
  S  S7  2  0.0000  0.1983  0.2496  1
  S  S8  2  0.0000  0.5264  0.6435  1
  S  S9  2  0.0000  0.7141  0.0038  1
  S  S10  2  0.0000  0.9847  0.6427  1
]