data_[Pr9Sm18Pu3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
  Pu  1.2800  1.7500  0.9675
]
_symmetry_space_group_name_H-M [R32]
_cell_length_a [9.9894]
_cell_length_b [9.9894]
_cell_length_c [11.9033]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [Pr3Sm6Pu]
_chemical_formula_sum '[Pr9 Sm18 Pu3]'
_cell_volume [1028.6706]
_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
[
  Pr  Pr0  6  0.0000  0.0000  0.2409  1
  Pr  Pr1  3  0.0000  0.0000  0.5000  1
  Sm  Sm2  9  0.0000  0.3161  0.0000  1
  Sm  Sm3  9  0.0000  0.6714  0.5000  1
  Pu  Pu4  3  0.0000  0.0000  0.0000  1
]