data_[Pr4Y2Ho4Er4]
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
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.5865]
_cell_length_b [5.0216]
_cell_length_c [24.9641]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pr2Y(HoEr)2]
_chemical_formula_sum '[Pr4 Y2 Ho4 Er4]'
_cell_volume [449.6043]
_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  0.0000  0.5000  0.3574  1.0
  Y  Y1  2  0.0000  0.5000  0.5000  1.0
  Ho  Ho2  4  0.0000  0.5000  0.2151  1.0
  Er  Er3  4  0.0000  0.5000  0.0701  1.0
]