data_[Na6Sn4Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.2780]
_cell_length_b [8.1215]
_cell_length_c [6.7225]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.3156]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3(SnCl4)2]
_chemical_formula_sum '[Na6 Sn4 Cl16]'
_cell_volume [735.6501]
_cell_formula_units_Z [2]
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  0.2589  0.0000  1
  Na  Na1  2  0.0000  0.0000  0.5000  1
  Sn  Sn2  4  0.2365  0.5000  0.6714  1
  Cl  Cl3  8  0.1281  0.2336  0.4184  1
  Cl  Cl4  4  0.1107  0.5000  0.8778  1
  Cl  Cl5  4  0.1229  0.0000  0.9477  1
]