data_[K2Tl1Pb1]
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 [Pm]
_cell_length_a [3.8934]
_cell_length_b [5.5998]
_cell_length_c [7.0945]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.3038]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [K2TlPb]
_chemical_formula_sum '[K2 Tl1 Pb1]'
_cell_volume [153.0555]
_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  0.0336  0.0000  0.0510  1.0
  K  K1  1  0.2172  0.5000  0.7004  1.0
  Tl  Tl2  1  0.6016  0.5000  0.2478  1.0
  Pb  Pb3  1  0.6476  0.0000  0.5008  1.0
]