data_[Na4Sn2Sb2S8]
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
  Sb  2.0500  1.4500  0.8300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [10.3696]
_cell_length_b [6.7791]
_cell_length_c [5.9118]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Na2SnSbS4]
_chemical_formula_sum '[Na4 Sn2 Sb2 S8]'
_cell_volume [415.5755]
_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  0.2481  0.3056  0.4432  1.0
  Sn  Sn1  2  0.0000  0.1890  0.9640  1.0
  Sb  Sb2  2  0.0000  0.7978  0.4743  1.0
  S  S3  4  0.2467  0.2708  0.9325  1.0
  S  S4  2  0.0000  0.1572  0.4113  1.0
  S  S5  2  0.0000  0.8144  0.8988  1.0
]