data_[Si4Ge4Pt4]
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 [P2_1/c]
_cell_length_a [6.1963]
_cell_length_b [6.1260]
_cell_length_c [6.2025]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.3576]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [SiGePt]
_chemical_formula_sum '[Si4 Ge4 Pt4]'
_cell_volume [216.1451]
_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
[
  Si  Si0  4  0.3431  0.1310  0.6853  1.0
  Ge  Ge1  4  0.1479  0.6201  0.3630  1.0
  Pt  Pt2  4  0.2804  0.0077  0.2958  1.0
]