data_[Cs4Tl4Si2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Tl  1.6200  1.9000  1.3325
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.8679]
_cell_length_b [6.0257]
_cell_length_c [10.8387]
_cell_angle_alpha [88.6158]
_cell_angle_beta [78.3742]
_cell_angle_gamma [89.1095]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Cs2Tl2SiO4]
_chemical_formula_sum '[Cs4 Tl4 Si2 O8]'
_cell_volume [375.2455]
_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
[
  Cs  Cs0  2  0.2127  0.7471  0.0024  1
  Cs  Cs1  2  0.2160  0.2377  0.2107  1
  Tl  Tl2  2  0.0206  0.2559  0.5963  1
  Tl  Tl3  2  0.3978  0.7483  0.5794  1
  Si  Si4  2  0.3618  0.2553  0.7876  1
  O  O5  2  0.2155  0.4718  0.7369  1
  O  O6  2  0.2410  0.0328  0.7358  1
  O  O7  2  0.3121  0.2487  0.9410  1
  O  O8  2  0.3555  0.7279  0.2697  1
]