data_[Tb3Dy9O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.8308]
_cell_length_b [5.8308]
_cell_length_c [15.2043]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [TbDy3O6]
_chemical_formula_sum '[Tb3 Dy9 O18]'
_cell_volume [447.6634]
_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  3  0.0000  0.0000  0.1409  1.0
  Dy  Dy1  3  0.0000  0.0000  0.3580  1.0
  Dy  Dy2  3  0.0000  0.0000  0.6417  1.0
  Dy  Dy3  3  0.0000  0.0000  0.8584  1.0
  O  O4  9  0.0408  0.6674  0.9170  1.0
  O  O5  9  0.0433  0.3741  0.4167  1.0
]