data_[Tb8Pr4Nd20Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6880]
_cell_length_b [20.4824]
_cell_length_c [10.7994]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Tb2PrNd5Er]
_chemical_formula_sum '[Tb8 Pr4 Nd20 Er4]'
_cell_volume [1258.1773]
_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  0.1104  0.7372  1
  Tb  Tb1  4  0.0000  0.1162  0.3172  1
  Pr  Pr2  4  0.0000  0.2017  0.0091  1
  Nd  Nd3  4  0.0000  0.0162  0.0219  1
  Nd  Nd4  4  0.0000  0.2811  0.3084  1
  Nd  Nd5  4  0.0000  0.2969  0.7035  1
  Nd  Nd6  4  0.0000  0.3916  0.0249  1
  Nd  Nd7  4  0.0000  0.4800  0.7426  1
  Er  Er8  4  0.0000  0.4099  0.4591  1
]