data_[Tb4Nd4Er20Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  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 [5.5603]
_cell_length_b [19.6917]
_cell_length_c [10.4755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [TbNdEr5Tm2]
_chemical_formula_sum '[Tb4 Nd4 Er20 Tm8]'
_cell_volume [1146.9859]
_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  0.1997  0.0127  1
  Nd  Nd1  4  0.0000  0.4163  0.4500  1
  Er  Er2  4  0.0000  0.0175  0.0254  1
  Er  Er3  4  0.0000  0.2809  0.3121  1
  Er  Er4  4  0.0000  0.2988  0.7099  1
  Er  Er5  4  0.0000  0.3888  0.0232  1
  Er  Er6  4  0.0000  0.4779  0.7360  1
  Tm  Tm7  4  0.0000  0.1107  0.7356  1
  Tm  Tm8  4  0.0000  0.1131  0.3191  1
]