data_[Y2Si2Ag2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  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 [P2_1/m]
_cell_length_a [6.4546]
_cell_length_b [6.6565]
_cell_length_c [7.6041]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.0805]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [YSiAgS4]
_chemical_formula_sum '[Y2 Si2 Ag2 S8]'
_cell_volume [325.8829]
_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
[
  Y  Y0  2  0.2243  0.2500  0.5571  1.0
  Si  Si1  2  0.2850  0.7500  0.3119  1.0
  Ag  Ag2  2  0.1320  0.2500  0.0131  1.0
  S  S3  4  0.0675  0.5040  0.2713  1.0
  S  S4  2  0.3949  0.7500  0.5806  1.0
  S  S5  2  0.4755  0.2500  0.8578  1.0
]