data_[Si8Ge8Pt16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Pbca]
_cell_length_a [5.6218]
_cell_length_b [14.4680]
_cell_length_c [6.5190]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [61]
_chemical_formula_structural [SiGePt2]
_chemical_formula_sum '[Si8 Ge8 Pt16]'
_cell_volume [530.2268]
_cell_formula_units_Z [8]
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
[
  Si  Si0  8  0.1849  0.0596  0.0582  1
  Ge  Ge1  8  0.1765  0.6874  0.5630  1
  Pt  Pt2  8  0.0098  0.0530  0.7080  1
  Pt  Pt3  8  0.0149  0.6603  0.1886  1
]