data_[K2Tl2Pb2O6]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.0758]
_cell_length_b [3.4226]
_cell_length_c [10.3955]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.2825]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KTlPbO3]
_chemical_formula_sum '[K2 Tl2 Pb2 O6]'
_cell_volume [251.3376]
_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  0.1349  0.2500  0.2009  1.0
  Tl  Tl1  2  0.3708  0.7500  0.8854  1.0
  Pb  Pb2  2  0.2076  0.2500  0.5605  1.0
  O  O3  2  0.1123  0.7500  0.4217  1.0
  O  O4  2  0.1815  0.2500  0.8193  1.0
  O  O5  2  0.4031  0.7500  0.1056  1.0
]