data_[Ac2Pr8Sm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [11.1337]
_cell_length_b [11.1337]
_cell_length_c [5.2437]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ac(PrSm)4]
_chemical_formula_sum '[Ac2 Pr8 Sm8]'
_cell_volume [650.0016]
_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
[
  Ac  Ac0  2  0.0000  0.0000  0.0000  1
  Pr  Pr1  8  0.1697  0.1697  0.5000  1
  Sm  Sm2  8  0.0000  0.3374  0.0000  1
]