data_[Na2Tl3Hg4Pb2]
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 [5.3755]
_cell_length_b [5.3755]
_cell_length_c [13.1357]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Na2Tl3(Hg2Pb)2]
_chemical_formula_sum '[Na2 Tl3 Hg4 Pb2]'
_cell_volume [328.7115]
_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  0.3333  0.6667  0.8799  1.0
  Tl  Tl1  2  0.0000  0.0000  0.2624  1.0
  Tl  Tl2  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg3  2  0.3333  0.6667  0.1322  1.0
  Hg  Hg4  2  0.3333  0.6667  0.6329  1.0
  Pb  Pb5  2  0.3333  0.6667  0.3899  1.0
]