data_[Na2U2Ag4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  U  1.3800  1.7500  0.9913
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [5.4131]
_cell_length_b [5.4131]
_cell_length_c [11.4835]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [NaU(AgS2)2]
_chemical_formula_sum '[Na2 U2 Ag4 S8]'
_cell_volume [336.4896]
_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
  U  U1  2  0.0000  0.5000  0.2500  1
  Ag  Ag2  2  0.0000  0.0000  0.0000  1
  Ag  Ag3  2  0.0000  0.5000  0.7500  1
  S  S4  4  0.0000  0.0000  0.2535  1
  S  S5  4  0.0000  0.5000  0.0279  1
]