data_[Pr10Nd12Er4]
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 [Pbam]
_cell_length_a [11.8560]
_cell_length_b [21.1159]
_cell_length_c [3.6725]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Pr5(Nd3Er)2]
_chemical_formula_sum '[Pr10 Nd12 Er4]'
_cell_volume [919.4186]
_cell_formula_units_Z [2]
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  4  0.0855  0.2270  0.5000  1
  Pr  Pr1  4  0.1967  0.9449  0.5000  1
  Pr  Pr2  2  0.0000  0.5000  0.5000  1
  Nd  Nd3  4  0.0642  0.0806  0.0000  1
  Nd  Nd4  4  0.0824  0.3680  0.0000  1
  Nd  Nd5  4  0.1741  0.6397  0.5000  1
  Er  Er6  4  0.1705  0.7893  0.0000  1
]