data_[K2Nb2Tl4O2F10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Nb  1.6000  1.4500  0.8200
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [11.1938]
_cell_length_b [6.3958]
_cell_length_c [6.6612]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.6293]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [KNbTl2OF5]
_chemical_formula_sum '[K2 Nb2 Tl4 O2 F10]'
_cell_volume [387.6232]
_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  0.4967  0.0000  0.4998  1.0
  Nb  Nb1  2  0.4812  0.5000  0.9736  1.0
  Tl  Tl2  2  0.2416  0.5000  0.2397  1.0
  Tl  Tl3  2  0.2485  0.0000  0.7509  1.0
  O  O4  2  0.2921  0.5000  0.7025  1.0
  F  F5  4  0.0602  0.2176  0.8389  1.0
  F  F6  4  0.4553  0.2824  0.1810  1.0
  F  F7  2  0.2089  0.0000  0.2936  1.0
]