data_[Ca3Ho6Pu3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Ho  1.2300  1.7500  1.0410
  Pu  1.2800  1.7500  0.9675
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.8346]
_cell_length_b [5.8346]
_cell_length_c [15.2412]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [CaHo2PuO6]
_chemical_formula_sum '[Ca3 Ho6 Pu3 O18]'
_cell_volume [449.3367]
_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
[
  Ca  Ca0  3  0.0000  0.0000  0.1955  1
  Ho  Ho1  3  0.0000  0.0000  0.4737  1
  Ho  Ho2  3  0.0000  0.0000  0.9793  1
  Pu  Pu3  3  0.0000  0.0000  0.6863  1
  O  O4  9  0.0006  0.3016  0.0815  1
  O  O5  9  0.0177  0.7269  0.5864  1
]