data_[Na2Sb2Cl6]
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 [P2_1/m]
_cell_length_a [7.4547]
_cell_length_b [3.5853]
_cell_length_c [11.6005]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.4399]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaSbCl3]
_chemical_formula_sum '[Na2 Sb2 Cl6]'
_cell_volume [298.8580]
_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  2  0.2538  0.2500  0.7536  1
  Sb  Sb1  2  0.1712  0.2500  0.1835  1
  Cl  Cl2  2  0.0573  0.2500  0.3636  1
  Cl  Cl3  2  0.1996  0.7500  0.9319  1
  Cl  Cl4  2  0.4892  0.7500  0.6875  1
]