data_[Tb24Y18Er3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [9.0563]
_cell_length_b [9.0563]
_cell_length_c [20.6158]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb8Y6Er]
_chemical_formula_sum '[Tb24 Y18 Er3]'
_cell_volume [1464.3152]
_cell_formula_units_Z [3]
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  18  0.0817  0.5543  0.8076  1
  Tb  Tb1  6  0.0000  0.0000  0.4234  1
  Y  Y2  18  0.0578  0.2470  0.7070  1
  Er  Er3  3  0.0000  0.0000  0.0000  1
]