data_[Ac20Pr4Nd4Sm8]
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
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.9994]
_cell_length_b [21.9799]
_cell_length_c [11.2691]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ac5PrNdSm2]
_chemical_formula_sum '[Ac20 Pr4 Nd4 Sm8]'
_cell_volume [1486.0185]
_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
[
  Ac  Ac0  4  0.0000  0.0101  0.9882  1
  Ac  Ac1  4  0.0000  0.2755  0.6784  1
  Ac  Ac2  4  0.0000  0.2984  0.2961  1
  Ac  Ac3  4  0.0000  0.3751  0.9799  1
  Ac  Ac4  4  0.0000  0.4865  0.2540  1
  Pr  Pr5  4  0.0000  0.4062  0.5369  1
  Nd  Nd6  4  0.0000  0.1916  0.9861  1
  Sm  Sm7  4  0.0000  0.1133  0.7002  1
  Sm  Sm8  4  0.0000  0.1159  0.2562  1
]