data_[Pu8Si16Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pu  1.2800  1.7500  0.9675
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.2934]
_cell_length_b [8.5075]
_cell_length_c [16.0398]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [PuSi2Pt]
_chemical_formula_sum '[Pu8 Si16 Pt8]'
_cell_volume [585.8786]
_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
[
  Pu  Pu0  4  0.0000  0.2583  0.0000  1
  Pu  Pu1  4  0.0000  0.5000  0.2021  1
  Si  Si2  8  0.0000  0.1476  0.8007  1
  Si  Si3  4  0.0000  0.0000  0.4273  1
  Si  Si4  4  0.0000  0.5000  0.4276  1
  Pt  Pt5  8  0.0000  0.2539  0.3516  1
]