data_[Na8Ge16Pt20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ge  2.0100  1.2500  0.7700
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [5.5734]
_cell_length_b [9.9662]
_cell_length_c [15.4011]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Na2Ge4Pt5]
_chemical_formula_sum '[Na8 Ge16 Pt20]'
_cell_volume [855.4729]
_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  8  0.0000  0.0000  0.1183  1.0
  Ge  Ge1  16  0.0000  0.1591  0.3713  1.0
  Pt  Pt2  8  0.2500  0.2500  0.0000  1.0
  Pt  Pt3  8  0.2500  0.2500  0.2500  1.0
  Pt  Pt4  4  0.0000  0.0000  0.5000  1.0
]