data_[Cs8Na4Tl4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [8.0744]
_cell_length_b [8.1048]
_cell_length_c [11.2745]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Cs2NaTlF4]
_chemical_formula_sum '[Cs8 Na4 Tl4 F16]'
_cell_volume [737.8127]
_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  0.0000  0.0000  1
  Cs  Cs1  4  0.2500  0.2500  0.7500  1
  Na  Na2  4  0.0000  0.0000  0.5000  1
  Tl  Tl3  4  0.2500  0.2500  0.2500  1
  F  F4  8  0.0000  0.0102  0.2817  1
  F  F5  8  0.2232  0.2500  0.4941  1
]