data_[Si2Ag4Sn2S8]
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
  Sn  1.9600  1.4500  0.8300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [9.0829]
_cell_length_b [6.5975]
_cell_length_c [6.2775]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [SiAg2SnS4]
_chemical_formula_sum '[Si2 Ag4 Sn2 S8]'
_cell_volume [376.1739]
_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  0.6714  0.9993  1.0
  Ag  Ag1  4  0.2488  0.2022  0.0019  1.0
  Sn  Sn2  2  0.0000  0.2825  0.4594  1.0
  S  S3  4  0.1964  0.8190  0.9007  1.0
  S  S4  2  0.0000  0.3608  0.8889  1.0
  S  S5  2  0.0000  0.6708  0.3471  1.0
]