data_[Pu4Se4S2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pu  1.2800  1.7500  0.9675
  Se  2.5500  1.1500  1.0133
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.0358]
_cell_length_b [5.6697]
_cell_length_c [12.5361]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pu2Se2S]
_chemical_formula_sum '[Pu4 Se4 S2]'
_cell_volume [286.8494]
_cell_formula_units_Z [2]
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  0.5000  0.3470  1
  Se  Se1  4  0.0000  0.0000  0.3162  1
  S  S2  2  0.0000  0.0000  0.0000  1
]