data_[Tb8Pm20Pr4Nd4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  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 [5.7304]
_cell_length_b [20.3892]
_cell_length_c [10.7205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Tb2Pm5PrNd]
_chemical_formula_sum '[Tb8 Pm20 Pr4 Nd4]'
_cell_volume [1252.5510]
_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
[
  Tb  Tb0  4  0.0000  0.1123  0.7326  1
  Tb  Tb1  4  0.0000  0.1169  0.3238  1
  Pm  Pm2  4  0.0000  0.0167  0.0251  1
  Pm  Pm3  4  0.0000  0.2808  0.3107  1
  Pm  Pm4  4  0.0000  0.2969  0.7058  1
  Pm  Pm5  4  0.0000  0.3914  0.0259  1
  Pr  Pr6  4  0.0000  0.4145  0.4501  1
  Pm  Pm7  4  0.0000  0.4774  0.7395  1
  Nd  Nd8  4  0.0000  0.2018  0.0106  1
]