data_[Na4V2Ag2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  V  1.6300  1.3500  0.7775
  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 [7.9358]
_cell_length_b [6.7283]
_cell_length_c [7.0783]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Na2VAgS4]
_chemical_formula_sum '[Na4 V2 Ag2 S8]'
_cell_volume [377.9402]
_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  4  0.2489  0.7960  0.4402  1.0
  V  V1  2  0.0000  0.7879  0.0173  1.0
  Ag  Ag2  2  0.0000  0.2275  0.5248  1.0
  S  S3  4  0.2208  0.6082  0.0752  1.0
  S  S4  2  0.0000  0.0464  0.1994  1.0
  S  S5  2  0.0000  0.8946  0.7278  1.0
]