data_[K4Na6Tl4]
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 [C2/m]
_cell_length_a [13.3352]
_cell_length_b [5.3704]
_cell_length_c [9.1556]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.7861]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Na3Tl2]
_chemical_formula_sum '[K4 Na6 Tl4]'
_cell_volume [574.6585]
_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  0.1534  0.0000  0.7825  1.0
  Na  Na1  4  0.1452  0.5000  0.4382  1.0
  Na  Na2  2  0.0000  0.5000  0.0000  1.0
  Tl  Tl3  4  0.1189  0.0000  0.1869  1.0
]