data_[Tl4Ag2I6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.7186]
_cell_length_b [10.2599]
_cell_length_c [18.3275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Tl2AgI3]
_chemical_formula_sum '[Tl4 Ag2 I6]'
_cell_volume [1639.4302]
_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  0.2434  0.3088  0.5440  1
  Ag  Ag1  2  0.1379  0.0000  0.4771  1
  I  I2  4  0.0074  0.2238  0.4178  1
  I  I3  2  0.3254  0.0000  0.5993  1
]