data_[Cs4Nb8Tl4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Nb  1.6000  1.4500  0.8200
  Tl  1.6200  1.9000  1.3325
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.4103]
_cell_length_b [12.0700]
_cell_length_c [6.5521]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.6151]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CsNb2TlO6]
_chemical_formula_sum '[Cs4 Nb8 Tl4 O24]'
_cell_volume [953.8765]
_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
[
  Cs  Cs0  4  0.0000  0.1069  0.2500  1.0
  Nb  Nb1  8  0.2198  0.4174  0.2230  1.0
  Tl  Tl2  4  0.0000  0.2841  0.7500  1.0
  O  O3  8  0.1327  0.1172  0.7108  1.0
  O  O4  8  0.1405  0.2915  0.1644  1.0
  O  O5  8  0.1872  0.4908  0.4695  1.0
]