data_[Na4Pu4Ag4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pu  1.2800  1.7500  0.9675
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.0340]
_cell_length_b [12.9927]
_cell_length_c [10.0083]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5595]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaPuAgCl5]
_chemical_formula_sum '[Na4 Pu4 Ag4 Cl20]'
_cell_volume [984.4115]
_cell_formula_units_Z [4]
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  0.0000  0.4259  0.2500  1
  Pu  Pu1  4  0.0000  0.0000  0.0000  1
  Ag  Ag2  4  0.0000  0.2853  0.7500  1
  Cl  Cl3  8  0.1689  0.4199  0.9470  1
  Cl  Cl4  8  0.1789  0.1675  0.6392  1
  Cl  Cl5  4  0.0000  0.0843  0.2500  1
]