data_[Na10Tl2Hg4Pb4]
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 [P4/mbm]
_cell_length_a [10.9259]
_cell_length_b [10.9259]
_cell_length_c [4.8008]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Na5Tl(HgPb)2]
_chemical_formula_sum '[Na10 Tl2 Hg4 Pb4]'
_cell_volume [573.0994]
_cell_formula_units_Z [2]
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  8  0.0870  0.8069  0.5000  1
  Na  Na1  2  0.0000  0.5000  0.5000  1
  Tl  Tl2  2  0.0000  0.0000  0.0000  1
  Hg  Hg3  4  0.1295  0.6295  0.0000  1
  Pb  Pb4  4  0.1665  0.3335  0.0000  1
]