data_[K2Tl4Hg2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [Imm2]
_cell_length_a [5.1874]
_cell_length_b [5.2699]
_cell_length_c [12.9413]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [KTl2HgPb]
_chemical_formula_sum '[K2 Tl4 Hg2 Pb2]'
_cell_volume [353.7744]
_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
[
  K  K0  2  0.0000  0.0000  0.5609  1.0
  Tl  Tl1  2  0.0000  0.0000  0.9454  1.0
  Tl  Tl2  2  0.0000  0.5000  0.8044  1.0
  Hg  Hg3  2  0.0000  0.0000  0.1728  1.0
  Pb  Pb4  2  0.0000  0.5000  0.3043  1.0
]