data_[Na8Ca4Ag4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ca  1.0000  1.8000  1.1400
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.0404]
_cell_length_b [17.5106]
_cell_length_c [14.2326]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Na2CaAgCl5]
_chemical_formula_sum '[Na8 Ca4 Ag4 Cl20]'
_cell_volume [1006.9544]
_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  0.0512  0.6656  1.0
  Na  Na1  4  0.0000  0.1428  0.2607  1.0
  Ca  Ca2  4  0.0000  0.2399  0.0252  1.0
  Ag  Ag3  4  0.0000  0.4815  0.4453  1.0
  Cl  Cl4  4  0.0000  0.0807  0.0357  1.0
  Cl  Cl5  4  0.0000  0.2543  0.3971  1.0
  Cl  Cl6  4  0.0000  0.2720  0.6607  1.0
  Cl  Cl7  4  0.0000  0.3924  0.0579  1.0
  Cl  Cl8  4  0.0000  0.4745  0.7758  1.0
]