data_[Tl4Si8Ge4Te24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [14.7846]
_cell_length_b [12.4861]
_cell_length_c [7.7870]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2104]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [TlSi2GeTe6]
_chemical_formula_sum '[Tl4 Si8 Ge4 Te24]'
_cell_volume [1357.4521]
_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
[
  Tl  Tl0  4  0.0000  0.1890  0.2500  1.0
  Si  Si1  8  0.2178  0.4168  0.2050  1.0
  Ge  Ge2  4  0.0000  0.2321  0.7500  1.0
  Te  Te3  8  0.1011  0.0648  0.6513  1.0
  Te  Te4  8  0.1337  0.4496  0.4433  1.0
  Te  Te5  8  0.1730  0.2243  0.1049  1.0
]