data_[Na2Ag4W2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  W  2.3600  1.3500  0.7667
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [6.1198]
_cell_length_b [6.1198]
_cell_length_c [10.5615]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [NaAg2WS4]
_chemical_formula_sum '[Na2 Ag4 W2 S8]'
_cell_volume [395.5434]
_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
[
  Na  Na0  2  0.0000  0.0000  0.5000  1
  Ag  Ag1  4  0.0000  0.5000  0.2500  1
  W  W2  2  0.0000  0.0000  0.0000  1
  S  S3  8  0.2121  0.2121  0.8758  1
]