data_[Tb8Ho12Tm20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ho  1.2300  1.7500  1.0410
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.5252]
_cell_length_b [15.5034]
_cell_length_c [9.3524]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.0630]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb2Ho3Tm5]
_chemical_formula_sum '[Tb8 Ho12 Tm20]'
_cell_volume [1264.2437]
_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  8  0.1436  0.1249  0.5475  1
  Ho  Ho1  8  0.1553  0.3785  0.0489  1
  Ho  Ho2  4  0.0000  0.2721  0.2500  1
  Tm  Tm3  8  0.2371  0.3810  0.7272  1
  Tm  Tm4  4  0.0000  0.0232  0.7500  1
  Tm  Tm5  4  0.0000  0.2304  0.7500  1
  Tm  Tm6  4  0.0000  0.4731  0.2500  1
]