data_[Tm6Ni6Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Ni  1.9100  1.3500  0.7400
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [3.9379]
_cell_length_b [3.9379]
_cell_length_c [33.4564]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [TmNiBr]
_chemical_formula_sum '[Tm6 Ni6 Br6]'
_cell_volume [449.3084]
_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
[
  Tm  Tm0  6  0.0000  0.0000  0.4461  1.0
  Ni  Ni1  6  0.0000  0.0000  0.1626  1.0
  Br  Br2  6  0.0000  0.0000  0.2769  1.0
]