data_[Na8Sb8Pt4]
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
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.1918]
_cell_length_b [4.6476]
_cell_length_c [11.1112]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.1001]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Sb2Pt]
_chemical_formula_sum '[Na8 Sb8 Pt4]'
_cell_volume [509.8249]
_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  4  0.0075  0.0000  0.6779  1.0
  Na  Na1  4  0.1858  0.0000  0.1090  1.0
  Sb  Sb2  4  0.0176  0.5000  0.8797  1.0
  Sb  Sb3  4  0.1547  0.5000  0.5553  1.0
  Pt  Pt4  4  0.2183  0.5000  0.3458  1.0
]