data_[Hg1Ru1Br1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  Ru  2.2000  1.3000  0.6610
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.4490]
_cell_length_b [3.4490]
_cell_length_c [6.3859]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [HgRuBr]
_chemical_formula_sum '[Hg1 Ru1 Br1]'
_cell_volume [65.7853]
_cell_formula_units_Z [1]
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
[
  Hg  Hg0  1  0.6667  0.3333  0.3776  1
  Ru  Ru1  1  0.3333  0.6667  0.6960  1
  Br  Br2  1  0.0000  0.0000  0.9264  1
]