data_[Na6Sb6Pt9]
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 [R3m]
_cell_length_a [4.6202]
_cell_length_b [4.6202]
_cell_length_c [22.5387]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Na2Sb2Pt3]
_chemical_formula_sum '[Na6 Sb6 Pt9]'
_cell_volume [416.6646]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.2443  1
  Na  Na1  3  0.0000  0.0000  0.7579  1
  Sb  Sb2  3  0.0000  0.0000  0.4988  1
  Sb  Sb3  3  0.0000  0.0000  0.9990  1
  Pt  Pt4  3  0.0000  0.0000  0.1211  1
  Pt  Pt5  3  0.0000  0.0000  0.3737  1
  Pt  Pt6  3  0.0000  0.0000  0.6301  1
]