data_[Na6Li6Pu3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  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 [5.8854]
_cell_length_b [5.8854]
_cell_length_c [15.7964]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na2Li2PuO6]
_chemical_formula_sum '[Na6 Li6 Pu3 O18]'
_cell_volume [473.8470]
_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
[
  Na  Na0  6  0.0000  0.0000  0.2028  1
  Li  Li1  6  0.0000  0.0000  0.4103  1
  Pu  Pu2  3  0.0000  0.0000  0.0000  1
  O  O3  18  0.0284  0.5142  0.7437  1
]