data_[Na2Ge3Pt6]
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 [P-62m]
_cell_length_a [7.3811]
_cell_length_b [7.3811]
_cell_length_c [4.2371]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [189]
_chemical_formula_structural [Na2(GePt2)3]
_chemical_formula_sum '[Na2 Ge3 Pt6]'
_cell_volume [199.9133]
_cell_formula_units_Z [1]
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  2  0.3333  0.6667  0.0000  1
  Ge  Ge1  3  0.0000  0.3963  0.5000  1
  Pt  Pt2  3  0.0000  0.2212  0.0000  1
  Pt  Pt3  3  0.0000  0.7265  0.5000  1
]