data_[Pr3Nd18Er24]
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
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [9.0885]
_cell_length_b [9.0885]
_cell_length_c [20.9169]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pr(Nd3Er4)2]
_chemical_formula_sum '[Pr3 Nd18 Er24]'
_cell_volume [1496.2740]
_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  3  0.0000  0.0000  0.0000  1
  Nd  Nd1  18  0.0613  0.2473  0.7106  1
  Er  Er2  18  0.0797  0.5568  0.8081  1
  Er  Er3  6  0.0000  0.0000  0.4237  1
]