data_[K3Na2Tl2Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.7378]
_cell_length_b [5.7378]
_cell_length_c [13.1112]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [K3Na2(TlHg2)2]
_chemical_formula_sum '[K3 Na2 Tl2 Hg4]'
_cell_volume [373.8166]
_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
[
  K  K0  2  0.0000  0.0000  0.3022  1
  K  K1  1  0.0000  0.0000  0.0000  1
  Na  Na2  2  0.3333  0.6667  0.1342  1
  Tl  Tl3  2  0.3333  0.6667  0.6082  1
  Hg  Hg4  2  0.3333  0.6667  0.3794  1
  Hg  Hg5  2  0.3333  0.6667  0.8630  1
]