data_[Rb9Pu9U3Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pu  1.2800  1.7500  0.9675
  U  1.3800  1.7500  0.9913
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.5127]
_cell_length_b [8.5127]
_cell_length_c [24.2891]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb3Pu3USe8]
_chemical_formula_sum '[Rb9 Pu9 U3 Se24]'
_cell_volume [1524.3284]
_cell_formula_units_Z [3]
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
[
  Rb  Rb0  9  0.0000  0.5000  0.0000  1
  Pu  Pu1  9  0.0000  0.5000  0.5000  1
  U  U2  3  0.0000  0.0000  0.5000  1
  Se  Se3  18  0.0091  0.5046  0.2297  1
  Se  Se4  6  0.0000  0.0000  0.2311  1
]