data_[Pr2Nd4Ho2Er4]
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
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pnnm]
_cell_length_a [7.0514]
_cell_length_b [9.8529]
_cell_length_c [5.7035]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [58]
_chemical_formula_structural [PrNd2HoEr2]
_chemical_formula_sum '[Pr2 Nd4 Ho2 Er4]'
_cell_volume [396.2588]
_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  2  0.0000  0.0000  0.0000  1.0
  Nd  Nd1  4  0.2471  0.3330  0.0000  1.0
  Ho  Ho2  2  0.0000  0.5000  0.5000  1.0
  Er  Er3  4  0.2497  0.6664  0.0000  1.0
]