data_[Na3Nd6Pt27]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Nd  1.1400  1.8500  1.2765
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.4902]
_cell_length_b [5.4902]
_cell_length_c [26.4433]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [NaNd2Pt9]
_chemical_formula_sum '[Na3 Nd6 Pt27]'
_cell_volume [690.2800]
_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  0.0000  1.0
  Nd  Nd1  6  0.0000  0.0000  0.1364  1.0
  Pt  Pt2  18  0.0038  0.5019  0.9160  1.0
  Pt  Pt3  6  0.0000  0.0000  0.3321  1.0
  Pt  Pt4  3  -0.0000  -0.0000  0.5000  1.0
]