data_[Na9As6Pt9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  As  2.1800  1.1500  0.6600
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.5878]
_cell_length_b [5.5878]
_cell_length_c [18.6419]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na3As2Pt3]
_chemical_formula_sum '[Na9 As6 Pt9]'
_cell_volume [504.0811]
_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  6  0.0000  0.0000  0.0781  1.0
  Na  Na1  3  -0.0000  -0.0000  0.5000  1.0
  As  As2  6  0.0000  0.0000  0.2327  1.0
  Pt  Pt3  9  0.0000  0.5000  0.0000  1.0
]