data_[Pr4Dy18Er6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.0493]
_cell_length_b [8.9586]
_cell_length_c [6.2437]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.9779]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2(Dy3Er)3]
_chemical_formula_sum '[Pr4 Dy18 Er6]'
_cell_volume [952.3583]
_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  0.3036  0.5000  1
  Dy  Dy1  8  0.1614  0.1611  0.3357  1
  Dy  Dy2  8  0.1618  0.2902  0.8409  1
  Dy  Dy3  2  0.0000  0.5000  0.0000  1
  Er  Er4  4  0.1942  0.5000  0.3191  1
  Er  Er5  2  0.0000  0.0000  0.0000  1
]