data_[K4Tl4F16]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.1067]
_cell_length_b [11.9027]
_cell_length_c [5.7574]
_cell_angle_alpha [90.0000]
_cell_angle_beta [128.5842]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KTlF4]
_chemical_formula_sum '[K4 Tl4 F16]'
_cell_volume [434.2596]
_cell_formula_units_Z [4]
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  0.0000  0.1380  0.7500  1.0
  Tl  Tl1  4  0.0000  0.4030  0.2500  1.0
  F  F2  8  0.1684  0.2846  0.1945  1.0
  F  F3  8  0.2041  0.4713  0.7267  1.0
]