data_[Na4Sb2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pnnm]
_cell_length_a [6.7255]
_cell_length_b [6.9839]
_cell_length_c [11.5009]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [58]
_chemical_formula_structural [Na2SbCl6]
_chemical_formula_sum '[Na4 Sb2 Cl12]'
_cell_volume [540.2026]
_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  0.5000  0.3136  1
  Sb  Sb1  2  0.0000  0.0000  0.5000  1
  Cl  Cl2  8  0.2138  0.1564  0.3428  1
  Cl  Cl3  4  0.2129  0.6999  0.5000  1
]