data_[Ta3Hg6Ru3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Hg  2.0000  1.5000  1.2450
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.1888]
_cell_length_b [3.1888]
_cell_length_c [27.9150]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [TaHg2Ru]
_chemical_formula_sum '[Ta3 Hg6 Ru3]'
_cell_volume [245.8208]
_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
[
  Ta  Ta0  3  0.0000  0.0000  0.2381  1
  Hg  Hg1  3  0.0000  0.0000  0.7578  1
  Hg  Hg2  3  0.0000  0.0000  0.9927  1
  Ru  Ru3  3  0.0000  0.0000  0.5114  1
]