data_[Na24S4I8O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  S  2.5800  1.0000  0.8800
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Fm-3m]
_cell_length_a [10.0189]
_cell_length_b [10.0189]
_cell_length_c [10.0189]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [225]
_chemical_formula_structural [Na6SI2O]
_chemical_formula_sum '[Na24 S4 I8 O4]'
_cell_volume [1005.6882]
_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  24  0.0000  0.0000  0.2684  1.0
  S  S1  4  0.0000  0.0000  0.0000  1.0
  I  I2  8  0.2500  0.2500  0.2500  1.0
  O  O3  4  0.0000  0.0000  0.5000  1.0
]