data_[Tb18Dy36Tl3]
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
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [11.8222]
_cell_length_b [11.8222]
_cell_length_c [14.9593]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb6Dy12Tl]
_chemical_formula_sum '[Tb18 Dy36 Tl3]'
_cell_volume [1810.6660]
_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  0.0167  0.5899  0.6849  1
  Dy  Dy1  18  0.0004  0.8257  0.8132  1
  Dy  Dy2  18  0.0446  0.1951  0.4158  1
  Tl  Tl3  3  0.0000  0.0000  0.0000  1
]