data_[Na2Tl2Cd2Hg6]
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 [P2_1/m]
_cell_length_a [7.2458]
_cell_length_b [4.7855]
_cell_length_c [9.9896]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2528]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaTlCdHg3]
_chemical_formula_sum '[Na2 Tl2 Cd2 Hg6]'
_cell_volume [327.0153]
_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  2  0.1583  0.2500  0.2869  1.0
  Tl  Tl1  2  0.3656  0.7500  0.8715  1.0
  Cd  Cd2  2  0.1061  0.2500  0.6143  1.0
  Hg  Hg3  2  0.0858  0.2500  0.9376  1.0
  Hg  Hg4  2  0.3524  0.7500  0.5309  1.0
  Hg  Hg5  2  0.3926  0.7500  0.2195  1.0
]