data_[Cu6Ru3Br3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Ru  2.2000  1.3000  0.6610
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [2.9602]
_cell_length_b [2.9602]
_cell_length_c [24.5656]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Cu2RuBr]
_chemical_formula_sum '[Cu6 Ru3 Br3]'
_cell_volume [186.4270]
_cell_formula_units_Z [3]
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
[
  Cu  Cu0  3  0.0000  0.0000  0.0091  1
  Cu  Cu1  3  0.0000  0.0000  0.7499  1
  Ru  Ru2  3  0.0000  0.0000  0.4973  1
  Br  Br3  3  0.0000  0.0000  0.2437  1
]