data_[Na12Bi12Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Bi  2.0200  1.6000  1.0350
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.7404]
_cell_length_b [11.0438]
_cell_length_c [16.2512]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Na3Bi3Pt2]
_chemical_formula_sum '[Na12 Bi12 Pt8]'
_cell_volume [850.7793]
_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  0.0668  0.6195  1.0
  Na  Na1  4  0.0000  0.3509  0.7500  1.0
  Bi  Bi2  8  0.0000  0.3611  0.5373  1.0
  Bi  Bi3  4  0.0000  0.3472  0.2500  1.0
  Pt  Pt4  8  0.0000  0.2193  0.1060  1.0
]