data_[Sm4Pu2Th6Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Pu  1.2800  1.7500  0.9675
  Th  1.3000  1.8000  1.0800
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.3816]
_cell_length_b [4.1605]
_cell_length_c [8.4016]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.3467]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2Pu(ThSe2)3]
_chemical_formula_sum '[Sm4 Pu2 Th6 Se12]'
_cell_volume [619.6091]
_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
[
  Sm  Sm0  4  0.1656  0.0000  0.3326  1
  Pu  Pu1  2  0.0000  0.5000  0.0000  1
  Th  Th2  4  0.1676  0.0000  0.8365  1
  Th  Th3  2  0.0000  0.5000  0.5000  1
  Se  Se4  4  0.0007  0.0000  0.2436  1
  Se  Se5  4  0.1641  0.5000  0.0877  1
  Se  Se6  4  0.1685  0.5000  0.5814  1
]