data_[Na3Tl1Cd3Hg2]
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
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-62m]
_cell_length_a [8.9157]
_cell_length_b [8.9157]
_cell_length_c [3.3968]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [189]
_chemical_formula_structural [Na3TlCd3Hg2]
_chemical_formula_sum '[Na3 Tl1 Cd3 Hg2]'
_cell_volume [233.8307]
_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  0.6327  0.0000  1.0
  Tl  Tl1  1  0.0000  0.0000  0.0000  1.0
  Cd  Cd2  3  0.0000  0.3137  0.5000  1.0
  Hg  Hg3  2  0.3333  0.6667  0.5000  1.0
]