data_[Pu12Si4Sb8]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [12.7918]
_cell_length_b [4.3323]
_cell_length_c [11.1600]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pu3SiSb2]
_chemical_formula_sum '[Pu12 Si4 Sb8]'
_cell_volume [618.4683]
_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
[
  Pu  Pu0  4  0.0508  0.2500  0.4033  1
  Pu  Pu1  4  0.1204  0.7500  0.9536  1
  Pu  Pu2  4  0.2425  0.7500  0.2266  1
  Si  Si3  4  0.1037  0.2500  0.1391  1
  Sb  Sb4  4  0.0193  0.2500  0.7809  1
  Sb  Sb5  4  0.1963  0.7500  0.5172  1
]