data_[Na3Tl6Pt3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.6201]
_cell_length_b [4.6201]
_cell_length_c [17.0739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaTl2Pt]
_chemical_formula_sum '[Na3 Tl6 Pt3]'
_cell_volume [315.6257]
_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  0.4931  1.0
  Tl  Tl1  3  0.0000  0.0000  0.0637  1.0
  Tl  Tl2  3  0.0000  0.0000  0.2696  1.0
  Pt  Pt3  3  0.0000  0.0000  0.6736  1.0
]