data_[Na3Tl4Hg2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  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 [5.4029]
_cell_length_b [5.4029]
_cell_length_c [13.0862]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Na3Tl4(HgPb)2]
_chemical_formula_sum '[Na3 Tl4 Hg2 Pb2]'
_cell_volume [330.8207]
_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
[
  Na  Na0  2  0.0000  0.0000  0.2873  1.0
  Na  Na1  1  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  2  0.3333  0.6667  0.1615  1.0
  Tl  Tl3  2  0.3333  0.6667  0.6771  1.0
  Hg  Hg4  2  0.3333  0.6667  0.9175  1.0
  Pb  Pb5  2  0.3333  0.6667  0.4257  1.0
]