data_[Si2Ag4Ge2S8]
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
  Ge  2.0100  1.2500  0.7700
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [8.8158]
_cell_length_b [6.6111]
_cell_length_c [6.1800]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [SiAg2GeS4]
_chemical_formula_sum '[Si2 Ag4 Ge2 S8]'
_cell_volume [360.1866]
_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  0.1620  0.9959  1.0
  Ag  Ag1  4  0.2484  0.6953  0.0024  1.0
  Ge  Ge2  2  0.0000  0.7981  0.4648  1.0
  S  S3  4  0.2050  0.3105  0.9082  1.0
  S  S4  2  0.0000  0.1508  0.3509  1.0
  S  S5  2  0.0000  0.8570  0.8672  1.0
]