data_[Na8Zn4Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [13.6895]
_cell_length_b [8.0088]
_cell_length_c [6.4271]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Na2ZnCl4]
_chemical_formula_sum '[Na8 Zn4 Cl16]'
_cell_volume [704.6545]
_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  0.0000  0.0000  1
  Na  Na1  4  0.2306  0.2500  0.4947  1
  Zn  Zn2  4  0.0916  0.7500  0.4133  1
  Cl  Cl3  8  0.1656  0.5239  0.2607  1
  Cl  Cl4  4  0.0630  0.2500  0.7337  1
  Cl  Cl5  4  0.0919  0.7500  0.7648  1
]