data_[Na6Bi8Pt4]
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 [C2/m]
_cell_length_a [11.6062]
_cell_length_b [4.7541]
_cell_length_c [8.9947]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.7927]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3(Bi2Pt)2]
_chemical_formula_sum '[Na6 Bi8 Pt4]'
_cell_volume [496.0601]
_cell_formula_units_Z [2]
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  0.1072  0.5000  0.2901  1.0
  Na  Na1  2  0.0000  0.0000  0.0000  1.0
  Bi  Bi2  4  0.1041  0.0000  0.6257  1.0
  Bi  Bi3  4  0.1895  0.5000  0.9004  1.0
  Pt  Pt4  4  0.2317  0.5000  0.5953  1.0
]