data_[Pm4Pr12Nd24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [Cmc2_1]
_cell_length_a [11.1303]
_cell_length_b [19.5763]
_cell_length_c [6.5315]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pm(PrNd2)3]
_chemical_formula_sum '[Pm4 Pr12 Nd24]'
_cell_volume [1423.1683]
_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
[
  Pr  Pr0  8  0.1757  0.1176  0.0382  1
  Pm  Pm1  4  0.0000  0.1896  0.3922  1
  Pr  Pr2  4  0.0000  0.3837  0.4144  1
  Nd  Nd3  8  0.1702  0.4591  0.9437  1
  Nd  Nd4  8  0.2351  0.2920  0.1254  1
  Nd  Nd5  4  0.0000  0.0339  0.6417  1
  Nd  Nd6  4  0.0000  0.2792  0.8518  1
]