data_[Si1Pt1W1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [2.8336]
_cell_length_b [2.8336]
_cell_length_c [6.4120]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [SiPtW]
_chemical_formula_sum '[Si1 Pt1 W1]'
_cell_volume [44.5877]
_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
[
  Si  Si0  1  0.6667  0.3333  0.3274  1
  Pt  Pt1  1  0.0000  0.0000  0.0171  1
  W  W2  1  0.3333  0.6667  0.6554  1
]