data_[Tb18Y18Tm6]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.1884]
_cell_length_b [6.1884]
_cell_length_c [42.4349]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb3Y3Tm]
_chemical_formula_sum '[Tb18 Y18 Tm6]'
_cell_volume [1407.3596]
_cell_formula_units_Z [6]
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  0.0002  0.3313  0.1327  1
  Y  Y1  18  0.0002  0.3338  0.9343  1
  Tm  Tm2  6  0.0000  0.0000  0.3333  1
]