data_[Na8Ag4Cl20]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.6058]
_cell_length_b [13.1505]
_cell_length_c [12.1143]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Na2AgCl5]
_chemical_formula_sum '[Na8 Ag4 Cl20]'
_cell_volume [893.0539]
_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  8  0.0000  0.1709  0.5808  1
  Ag  Ag1  4  0.0000  0.1767  0.2500  1
  Cl  Cl2  8  0.0000  0.0484  0.1075  1
  Cl  Cl3  8  0.0000  0.3078  0.1047  1
  Cl  Cl4  4  0.0000  0.3095  0.7500  1
]