data_[Na4Sn4Pt6]
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 [C2/m]
_cell_length_a [11.9142]
_cell_length_b [4.0279]
_cell_length_c [7.3743]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.3276]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Sn2Pt3]
_chemical_formula_sum '[Na4 Sn4 Pt6]'
_cell_volume [302.2938]
_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  0.1363  0.0000  0.7892  1.0
  Sn  Sn1  4  0.1593  0.0000  0.2693  1.0
  Pt  Pt2  4  0.0841  0.5000  0.4338  1.0
  Pt  Pt3  2  0.0000  0.5000  0.0000  1.0
]