data_[Na8Sr4Ag4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  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 [4.1666]
_cell_length_b [18.0067]
_cell_length_c [14.4217]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Na2SrAgCl5]
_chemical_formula_sum '[Na8 Sr4 Ag4 Cl20]'
_cell_volume [1082.0258]
_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  0.0457  0.6650  1.0
  Na  Na1  4  0.0000  0.1388  0.2611  1.0
  Sr  Sr2  4  0.0000  0.2367  0.0226  1.0
  Ag  Ag3  4  0.0000  0.4916  0.4489  1.0
  Cl  Cl4  4  0.0000  0.0719  0.0283  1.0
  Cl  Cl5  4  0.0000  0.2496  0.3890  1.0
  Cl  Cl6  4  0.0000  0.2843  0.6616  1.0
  Cl  Cl7  4  0.0000  0.3923  0.0693  1.0
  Cl  Cl8  4  0.0000  0.4729  0.7781  1.0
]