data_[Rb4Pu4Cu4O20]
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
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.4227]
_cell_length_b [10.2465]
_cell_length_c [6.4630]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.8253]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbPuCuO5]
_chemical_formula_sum '[Rb4 Pu4 Cu4 O20]'
_cell_volume [488.6652]
_cell_formula_units_Z [4]
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  0.0902  0.7500  1
  Pu  Pu1  4  0.2500  0.2500  0.5000  1
  Cu  Cu2  4  0.0000  0.4502  0.7500  1
  O  O3  8  0.1443  0.3208  0.6936  1
  O  O4  8  0.1898  0.4198  0.3312  1
  O  O5  4  0.0000  0.1715  0.2500  1
]