data_[La8Tb20Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [14.9559]
_cell_length_b [11.9215]
_cell_length_c [6.7559]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [La2Tb5Er2]
_chemical_formula_sum '[La8 Tb20 Er8]'
_cell_volume [1204.5587]
_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  0.0527  0.7473  0.7957  1
  La  La1  8  0.1268  0.0024  0.9370  1
  Tb  Tb2  8  0.1433  0.2330  0.6176  1
  Tb  Tb3  4  0.2500  0.7412  0.5887  1
  Er  Er4  4  0.0000  0.0000  0.4765  1
  Er  Er5  4  0.2500  0.0087  0.3979  1
]