data_[Ce4Nd2Pu2Se6O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Nd  1.1400  1.8500  1.2765
  Pu  1.2800  1.7500  0.9675
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [8.5112]
_cell_length_b [4.0484]
_cell_length_c [13.0213]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Ce2NdPuSe3O4]
_chemical_formula_sum '[Ce4 Nd2 Pu2 Se6 O8]'
_cell_volume [448.6660]
_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
[
  Ce  Ce0  4  0.2377  0.0000  0.6864  1
  Nd  Nd1  2  0.0000  0.0000  0.0009  1
  Pu  Pu2  2  0.5000  0.0000  0.0161  1
  Se  Se3  4  0.3528  0.0000  0.3586  1
  Se  Se4  2  0.0000  0.0000  0.3146  1
  O  O5  4  0.2449  0.0000  0.0854  1
  O  O6  2  0.0000  0.0000  0.5869  1
  O  O7  2  0.5000  0.0000  0.6155  1
]