data_[Ac8Tb20Pr4Sm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.8280]
_cell_length_b [20.1954]
_cell_length_c [11.0227]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ac2Tb5PrSm]
_chemical_formula_sum '[Ac8 Tb20 Pr4 Sm4]'
_cell_volume [1297.3466]
_cell_formula_units_Z [4]
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
[
  Tb  Tb0  4  0.0000  0.0203  0.0293  1
  Ac  Ac1  4  0.0000  0.1115  0.7308  1
  Ac  Ac2  4  0.0000  0.1180  0.3234  1
  Tb  Tb3  4  0.0000  0.2862  0.3032  1
  Tb  Tb4  4  0.0000  0.2971  0.7049  1
  Tb  Tb5  4  0.0000  0.3961  0.0238  1
  Tb  Tb6  4  0.0000  0.4787  0.7391  1
  Pr  Pr7  4  0.0000  0.4163  0.4614  1
  Sm  Sm8  4  0.0000  0.2088  0.0081  1
]