data_[Tb8Pr4Dy20Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  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 [I4/mcm]
_cell_length_a [8.9553]
_cell_length_b [8.9553]
_cell_length_c [14.6881]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Tb2PrDy5Er]
_chemical_formula_sum '[Tb8 Pr4 Dy20 Er4]'
_cell_volume [1177.9416]
_cell_formula_units_Z [4]
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
[
  Tb  Tb0  8  0.1125  0.3875  0.0000  1
  Pr  Pr1  4  0.0000  0.0000  0.2500  1
  Dy  Dy2  16  0.2056  0.2944  0.3677  1
  Dy  Dy3  4  0.0000  0.0000  0.0000  1
  Er  Er4  4  0.0000  0.5000  0.2500  1
]