data_[Ac2Pm4Pr2Nd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [Pnnm]
_cell_length_a [6.7946]
_cell_length_b [18.6102]
_cell_length_c [3.5383]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [58]
_chemical_formula_structural [AcPm2PrNd2]
_chemical_formula_sum '[Ac2 Pm4 Pr2 Nd4]'
_cell_volume [447.4046]
_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
  Pm  Pm1  4  0.2024  0.6519  0.5000  1
  Pr  Pr2  2  0.0000  0.5000  0.0000  1
  Nd  Nd3  4  0.2091  0.8139  0.0000  1
]