data_[Na4Sn4Pt4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.6054]
_cell_length_b [4.4239]
_cell_length_c [7.9576]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [NaSnPt]
_chemical_formula_sum '[Na4 Sn4 Pt4]'
_cell_volume [267.7370]
_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  4  0.0153  0.2500  0.1660  1.0
  Sn  Sn1  4  0.1582  0.2500  0.5730  1.0
  Pt  Pt2  4  0.1994  0.7500  0.3833  1.0
]