data_[Na4Sn2S6]
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
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.0344]
_cell_length_b [13.0035]
_cell_length_c [6.5394]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Na2SnS3]
_chemical_formula_sum '[Na4 Sn2 S6]'
_cell_volume [343.0685]
_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  0.1646  0.2539  1.0
  Sn  Sn1  2  0.0000  0.5000  0.2208  1.0
  S  S2  4  0.0000  0.3451  0.0345  1.0
  S  S3  2  0.0000  0.0000  0.9595  1.0
]