data_[Nd6Sm8Pu2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  Pu  1.2800  1.7500  0.9675
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.5023]
_cell_length_b [11.7824]
_cell_length_c [13.0874]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Nd3Sm4Pu]
_chemical_formula_sum '[Nd6 Sm8 Pu2]'
_cell_volume [540.0590]
_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
[
  Nd  Nd0  4  0.0000  0.0000  0.2337  1
  Nd  Nd1  2  0.0000  0.5000  0.0000  1
  Sm  Sm2  8  0.0000  0.2522  0.3686  1
  Pu  Pu3  2  0.0000  0.5000  0.5000  1
]