data_[Na3Hg2Bi3Pb1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P-62m]
_cell_length_a [9.3401]
_cell_length_b [9.3401]
_cell_length_c [3.5323]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [189]
_chemical_formula_structural [Na3Hg2Bi3Pb]
_chemical_formula_sum '[Na3 Hg2 Bi3 Pb1]'
_cell_volume [266.8635]
_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  3  0.0000  0.6307  0.0000  1.0
  Hg  Hg1  2  0.3333  0.6667  0.5000  1.0
  Bi  Bi2  3  0.0000  0.3154  0.5000  1.0
  Pb  Pb3  1  0.0000  0.0000  0.0000  1.0
]