data_[K1Na2Tl6Pb2]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.6519]
_cell_length_b [6.7080]
_cell_length_c [9.6979]
_cell_angle_alpha [74.1840]
_cell_angle_beta [74.0900]
_cell_angle_gamma [61.7626]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KNa2(Tl3Pb)2]
_chemical_formula_sum '[K1 Na2 Tl6 Pb2]'
_cell_volume [361.3838]
_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  1  0.5000  0.0000  0.5000  1.0
  Na  Na1  2  0.3629  0.9001  0.9043  1.0
  Tl  Tl2  2  0.0927  0.0780  0.2237  1.0
  Tl  Tl3  2  0.1104  0.5800  0.1518  1.0
  Tl  Tl4  2  0.4061  0.4194  0.7960  1.0
  Pb  Pb5  2  0.1636  0.6412  0.4953  1.0
]