data_[Na4Sb4Pt6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.4926]
_cell_length_b [4.2116]
_cell_length_c [7.3452]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.5293]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Sb2Pt3]
_chemical_formula_sum '[Na4 Sb4 Pt6]'
_cell_volume [306.2391]
_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  0.1388  0.0000  0.7759  1.0
  Sb  Sb1  4  0.1505  0.0000  0.2602  1.0
  Pt  Pt2  4  0.0921  0.5000  0.4329  1.0
  Pt  Pt3  2  0.0000  0.5000  0.0000  1.0
]