data_[Pr20Nd4Er4Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.6593]
_cell_length_b [20.5525]
_cell_length_c [10.8306]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pr5NdErTm2]
_chemical_formula_sum '[Pr20 Nd4 Er4 Tm8]'
_cell_volume [1259.7395]
_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  4  0.0000  0.0148  0.0194  1
  Pr  Pr1  4  0.0000  0.2809  0.3101  1
  Pr  Pr2  4  0.0000  0.2950  0.7029  1
  Pr  Pr3  4  0.0000  0.3875  0.0233  1
  Pr  Pr4  4  0.0000  0.4824  0.7445  1
  Nd  Nd5  4  0.0000  0.2006  0.0097  1
  Er  Er6  4  0.0000  0.4085  0.4630  1
  Tm  Tm7  4  0.0000  0.1102  0.7420  1
  Tm  Tm8  4  0.0000  0.1153  0.3091  1
]