data_[Tb6Hf6Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Hf  1.3000  1.5500  0.8500
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [3.5223]
_cell_length_b [3.5223]
_cell_length_c [47.3069]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [TbHfBr]
_chemical_formula_sum '[Tb6 Hf6 Br6]'
_cell_volume [508.2967]
_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  6  0.0000  0.0000  0.0832  1
  Hf  Hf1  6  0.0000  0.0000  0.3070  1
  Br  Br2  6  0.0000  0.0000  0.2069  1
]