data_[Tl4Ag4Te4Br2]
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
  Te  2.1000  1.4000  1.2933
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.7113]
_cell_length_b [4.6293]
_cell_length_c [7.7887]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.4920]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tl2Ag2Te2Br]
_chemical_formula_sum '[Tl4 Ag4 Te4 Br2]'
_cell_volume [446.2509]
_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  0.0518  0.5000  0.3224  1
  Ag  Ag1  4  0.2392  0.0000  0.0911  1
  Te  Te2  4  0.2087  0.0000  0.6957  1
  Br  Br3  2  0.0000  0.0000  0.0000  1
]