data_[Tl4Sn4Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [10.8551]
_cell_length_b [7.0366]
_cell_length_c [6.6052]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.5392]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [TlSnSb2]
_chemical_formula_sum '[Tl4 Sn4 Sb8]'
_cell_volume [504.5070]
_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  0.1197  0.6533  0.1883  1.0
  Sn  Sn1  4  0.3762  0.1251  0.3501  1.0
  Sb  Sb2  4  0.1554  0.2112  0.0808  1.0
  Sb  Sb3  4  0.3944  0.7084  0.4065  1.0
]