data_[K4U4Tl2O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  U  1.3800  1.7500  0.9913
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.3518]
_cell_length_b [4.3518]
_cell_length_c [22.2235]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [K2U2TlO7]
_chemical_formula_sum '[K4 U4 Tl2 O14]'
_cell_volume [420.8775]
_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  0.0000  0.0000  0.1915  1
  U  U1  4  0.0000  0.0000  0.4022  1
  Tl  Tl2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0000  0.5000  0.0985  1
  O  O4  4  0.0000  0.0000  0.3138  1
  O  O5  2  0.0000  0.0000  0.5000  1
]