data_[Lu4Fe4Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Lu  1.2700  1.7500  1.0010
  Fe  1.8300  1.4000  0.8525
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P6_3/mmc]
_cell_length_a [3.8649]
_cell_length_b [3.8649]
_cell_length_c [16.1211]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [194]
_chemical_formula_structural [Lu2Fe2Br]
_chemical_formula_sum '[Lu4 Fe4 Br2]'
_cell_volume [208.5488]
_cell_formula_units_Z [2]
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
[
  Lu  Lu0  4  0.0000  0.0000  0.1077  1.0
  Fe  Fe1  4  0.3333  0.6667  0.4936  1.0
  Br  Br2  2  0.3333  0.6667  0.7500  1.0
]