data_[Na4Si4Sn2Pt10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Si  1.9000  1.1000  0.5400
  Sn  1.9600  1.4500  0.8300
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [10.0571]
_cell_length_b [10.0571]
_cell_length_c [3.4514]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Na2Si2SnPt5]
_chemical_formula_sum '[Na4 Si4 Sn2 Pt10]'
_cell_volume [349.0937]
_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  0.1761  0.6761  0.0000  1.0
  Si  Si1  4  0.1251  0.3749  0.0000  1.0
  Sn  Sn2  2  0.0000  0.0000  0.0000  1.0
  Pt  Pt3  8  0.0610  0.2165  0.5000  1.0
  Pt  Pt4  2  0.0000  0.5000  0.5000  1.0
]