data_[Rb4Pu2U4Se12]
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 [C2/m]
_cell_length_a [7.2848]
_cell_length_b [12.6476]
_cell_length_c [8.5275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.2798]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Pu(USe3)2]
_chemical_formula_sum '[Rb4 Pu2 U4 Se12]'
_cell_volume [754.1740]
_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
[
  Rb  Rb0  4  0.0000  0.1651  0.0000  1
  Pu  Pu1  2  0.0000  0.0000  0.5000  1
  U  U2  4  0.0000  0.3340  0.5000  1
  Se  Se3  8  0.2324  0.1705  0.6913  1
  Se  Se4  4  0.2230  0.5000  0.6921  1
]