data_[K2Na2Tl2Cl6]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.4066]
_cell_length_b [4.3883]
_cell_length_c [10.1298]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.9656]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KNaTlCl3]
_chemical_formula_sum '[K2 Na2 Tl2 Cl6]'
_cell_volume [417.5864]
_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  0.1456  0.2500  0.1733  1.0
  Na  Na1  2  0.1218  0.2500  0.5892  1.0
  Tl  Tl2  2  0.3760  0.7500  0.8339  1.0
  Cl  Cl3  2  0.1161  0.2500  0.8524  1.0
  Cl  Cl4  2  0.1684  0.7500  0.4481  1.0
  Cl  Cl5  2  0.3824  0.7500  0.1224  1.0
]