data_[Ac6Pr4Nd4]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.6914]
_cell_length_b [3.7331]
_cell_length_c [9.0460]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.6714]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac3(PrNd)2]
_chemical_formula_sum '[Ac6 Pr4 Nd4]'
_cell_volume [559.0085]
_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  4  0.2169  0.0000  0.7949  1
  Ac  Ac1  2  0.0000  0.0000  0.5000  1
  Pr  Pr2  4  0.0632  0.5000  0.9093  1
  Nd  Nd3  4  0.1426  0.0000  0.3239  1
]