data_[Pr20Er8Tm12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.7155]
_cell_length_b [14.9123]
_cell_length_c [10.0414]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.2400]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pr5Er2Tm3]
_chemical_formula_sum '[Pr20 Er8 Tm12]'
_cell_volume [1357.1566]
_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  8  0.2444  0.1183  0.7422  1
  Pr  Pr1  4  0.0000  0.2286  0.2500  1
  Pr  Pr2  4  0.0000  0.2692  0.7500  1
  Pr  Pr3  4  0.0000  0.4790  0.7500  1
  Er  Er4  8  0.1553  0.1200  0.0579  1
  Tm  Tm5  8  0.1541  0.3757  0.5587  1
  Tm  Tm6  4  0.0000  0.0233  0.2500  1
]