data_[K4Tl10Pb2]
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 [Cm]
_cell_length_a [8.5516]
_cell_length_b [11.0604]
_cell_length_c [6.8420]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.0481]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [K2Tl5Pb]
_chemical_formula_sum '[K4 Tl10 Pb2]'
_cell_volume [565.7337]
_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  4  0.0311  0.1968  0.5022  1.0
  Tl  Tl1  4  0.0217  0.2928  0.9944  1.0
  Tl  Tl2  2  0.1662  0.5000  0.3804  1.0
  Tl  Tl3  2  0.2301  0.0000  0.0510  1.0
  Tl  Tl4  2  0.3982  0.0000  0.6153  1.0
  Pb  Pb5  2  0.3225  0.5000  0.9601  1.0
]