data_[Rb6Ca3Pu9O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ca  1.0000  1.8000  1.1400
  Pu  1.2800  1.7500  0.9675
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.0035]
_cell_length_b [8.0035]
_cell_length_c [18.3046]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2CaPu3O12]
_chemical_formula_sum '[Rb6 Ca3 Pu9 O36]'
_cell_volume [1015.4342]
_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  6  0.0000  0.0000  0.3770  1
  Ca  Ca1  3  0.0000  0.0000  0.0000  1
  Pu  Pu2  9  0.0000  0.5000  0.5000  1
  O  O3  18  0.0404  0.5202  0.6017  1
  O  O4  18  0.0789  0.5395  0.8461  1
]