data_[Tl6Sn2Hg1]
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
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-6m2]
_cell_length_a [3.5472]
_cell_length_b [3.5472]
_cell_length_c [25.3643]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [187]
_chemical_formula_structural [Tl6Sn2Hg]
_chemical_formula_sum '[Tl6 Sn2 Hg1]'
_cell_volume [276.3864]
_cell_formula_units_Z [1]
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  2  0.0000  0.0000  0.2193  1.0
  Tl  Tl1  2  0.0000  0.0000  0.4346  1.0
  Tl  Tl2  2  0.3333  0.6667  0.1042  1.0
  Sn  Sn3  2  0.3333  0.6667  0.6735  1.0
  Hg  Hg4  1  0.0000  0.0000  0.0000  1.0
]