data_[Pr8Nd10Er8]
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 [I4/m]
_cell_length_a [13.1412]
_cell_length_b [13.1412]
_cell_length_c [5.1338]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Pr4Nd5Er4]
_chemical_formula_sum '[Pr8 Nd10 Er8]'
_cell_volume [886.5745]
_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  8  0.0777  0.3823  0.0000  1
  Nd  Nd1  8  0.0409  0.1910  0.5000  1
  Nd  Nd2  2  0.0000  0.0000  0.0000  1
  Er  Er3  8  0.1544  0.7684  0.0000  1
]