data_[Na8Cu4Sn4Cl20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.0782]
_cell_length_b [17.1092]
_cell_length_c [13.5645]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Na2CuSnCl5]
_chemical_formula_sum '[Na8 Cu4 Sn4 Cl20]'
_cell_volume [946.4493]
_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  0.0737  0.6497  1.0
  Na  Na1  4  0.0000  0.0931  0.3640  1.0
  Cu  Cu2  4  0.0000  0.4287  0.4125  1.0
  Sn  Sn3  4  0.0000  0.2177  0.0515  1.0
  Cl  Cl4  4  0.0000  0.0369  0.9906  1.0
  Cl  Cl5  4  0.0000  0.2375  0.6839  1.0
  Cl  Cl6  4  0.0000  0.2915  0.4037  1.0
  Cl  Cl7  4  0.0000  0.3672  0.0043  1.0
  Cl  Cl8  4  0.0000  0.4971  0.7637  1.0
]