data_[Ac4Tb4Pr20Nd8]
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
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [9.1086]
_cell_length_b [9.1086]
_cell_length_c [15.9899]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [AcTbPr5Nd2]
_chemical_formula_sum '[Ac4 Tb4 Pr20 Nd8]'
_cell_volume [1326.6255]
_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  0.0000  0.2500  1
  Tb  Tb1  4  0.0000  0.5000  0.2500  1
  Pr  Pr2  16  0.2043  0.2957  0.3659  1
  Pr  Pr3  4  0.0000  0.0000  0.0000  1
  Nd  Nd4  8  0.1165  0.6165  0.5000  1
]