data_[K8Na3Tl2]
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
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [9.2931]
_cell_length_b [6.4230]
_cell_length_c [11.7755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.4859]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [K8Na3Tl2]
_chemical_formula_sum '[K8 Na3 Tl2]'
_cell_volume [673.9722]
_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  2  0.0825  0.5000  0.6778  1
  K  K1  2  0.1616  0.0000  0.2389  1
  K  K2  2  0.3485  0.0000  0.5991  1
  K  K3  2  0.4422  0.5000  0.1633  1
  Na  Na4  2  0.2865  0.0000  0.9359  1
  Na  Na5  1  0.0000  0.5000  0.0000  1
  Tl  Tl6  2  0.3335  0.5000  0.4422  1
]