data_[K2Tl2Pb2]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.7592]
_cell_length_b [6.8300]
_cell_length_c [7.8848]
_cell_angle_alpha [100.4781]
_cell_angle_beta [107.4055]
_cell_angle_gamma [90.6059]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KTlPb]
_chemical_formula_sum '[K2 Tl2 Pb2]'
_cell_volume [239.9066]
_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  0.1145  0.8262  0.2193  1.0
  Tl  Tl1  2  0.4239  0.6619  0.8441  1.0
  Pb  Pb2  2  0.2314  0.3398  0.4658  1.0
]