data_[Ba3Sn1Hg2Pb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [6.7562]
_cell_length_b [6.7562]
_cell_length_c [10.9818]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Ba3Sn(HgPb3)2]
_chemical_formula_sum '[Ba3 Sn1 Hg2 Pb6]'
_cell_volume [434.1213]
_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
[
  Ba  Ba0  2  0.3333  0.6667  0.5833  1
  Ba  Ba1  1  0.0000  0.0000  0.0000  1
  Sn  Sn2  1  0.0000  0.0000  0.5000  1
  Hg  Hg3  2  0.3333  0.6667  0.9248  1
  Pb  Pb4  6  0.1708  0.3416  0.2706  1
]