data_[Na8Sb12Pt16]
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 [Cmce]
_cell_length_a [6.5085]
_cell_length_b [16.1204]
_cell_length_c [7.2006]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Na2Sb3Pt4]
_chemical_formula_sum '[Na8 Sb12 Pt16]'
_cell_volume [755.4790]
_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  8  0.0000  0.0871  0.5968  1.0
  Sb  Sb1  8  0.2500  0.2461  0.2500  1.0
  Sb  Sb2  4  0.0000  0.0000  0.0000  1.0
  Pt  Pt3  8  0.0000  0.1706  0.9874  1.0
  Pt  Pt4  8  0.2500  0.0782  0.2500  1.0
]