data_[Pr12Y24Er9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.0066]
_cell_length_b [7.0066]
_cell_length_c [35.6882]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Pr4Y8Er3]
_chemical_formula_sum '[Pr12 Y24 Er9]'
_cell_volume [1517.2851]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.3362  1
  Pr  Pr1  3  -0.0000  -0.0000  0.5000  1
  Pr  Pr2  3  0.0000  0.0000  0.0000  1
  Y  Y3  18  0.0019  0.5009  0.7513  1
  Y  Y4  6  0.0000  0.0000  0.2444  1
  Er  Er5  9  0.0000  0.5000  0.5000  1
]