data_[Tl14Hg2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [6.4383]
_cell_length_b [28.7743]
_cell_length_c [3.3936]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tl7HgPb2]
_chemical_formula_sum '[Tl14 Hg2 Pb4]'
_cell_volume [628.6822]
_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  8  0.2453  0.0992  0.5000  1
  Tl  Tl1  4  0.0000  0.1953  0.0000  1
  Tl  Tl2  2  0.0000  0.5000  0.5000  1
  Hg  Hg3  2  0.0000  0.0000  0.0000  1
  Pb  Pb4  4  0.0000  0.2972  0.5000  1
]