data_[Tl8Zn4Ga4Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Zn  1.6500  1.3500  0.8800
  Ga  1.8100  1.3000  0.7600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [18.2769]
_cell_length_b [5.8803]
_cell_length_c [6.3712]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8420]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tl2ZnGaSn2]
_chemical_formula_sum '[Tl8 Zn4 Ga4 Sn8]'
_cell_volume [648.0381]
_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  8  0.1912  0.2326  0.6920  1.0
  Zn  Zn1  4  0.0000  0.4968  0.7500  1.0
  Ga  Ga2  4  0.0000  0.0012  0.7500  1.0
  Sn  Sn3  8  0.1080  0.2619  0.1068  1.0
]