data_[Tm6Fe6Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Fe  1.8300  1.4000  0.8525
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [3.8462]
_cell_length_b [3.8462]
_cell_length_c [34.6522]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [TmFeBr]
_chemical_formula_sum '[Tm6 Fe6 Br6]'
_cell_volume [443.9449]
_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  0.4441  1.0
  Fe  Fe1  6  0.0000  0.0000  0.1646  1.0
  Br  Br2  6  0.0000  0.0000  0.2775  1.0
]