data_[Na10Tl4Hg4Pb2]
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 [11.6514]
_cell_length_b [11.6514]
_cell_length_c [4.4679]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Na5Tl2Hg2Pb]
_chemical_formula_sum '[Na10 Tl4 Hg4 Pb2]'
_cell_volume [606.5500]
_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  0.0864  0.1871  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Tl  Tl2  4  0.1693  0.6693  0.0000  1.0
  Hg  Hg3  4  0.1323  0.3677  0.0000  1.0
  Pb  Pb4  2  0.0000  0.0000  0.0000  1.0
]