data_[Tl8Ga6I16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Ga  1.8100  1.3000  0.7600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.4213]
_cell_length_b [13.5193]
_cell_length_c [9.5032]
_cell_angle_alpha [90.0000]
_cell_angle_beta [134.7415]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tl4Ga3I8]
_chemical_formula_sum '[Tl8 Ga6 I16]'
_cell_volume [1224.7811]
_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
[
  Tl  Tl0  4  0.2500  0.2500  0.0000  1
  Tl  Tl1  2  0.0000  0.0000  0.0000  1
  Tl  Tl2  2  0.0000  0.5000  0.5000  1
  Ga  Ga3  4  0.2500  0.2500  0.5000  1
  Ga  Ga4  2  0.0000  0.0000  0.5000  1
  I  I5  4  0.0000  0.2416  0.5000  1
  I  I6  4  0.0000  0.2573  0.0000  1
  I  I7  4  0.2473  0.0000  0.5144  1
  I  I8  4  0.2489  0.0000  0.9794  1
]