data_[Tl4Cd4Hg4Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.9009]
_cell_length_b [13.4931]
_cell_length_c [6.8338]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [TlCdHgPb2]
_chemical_formula_sum '[Tl4 Cd4 Hg4 Pb8]'
_cell_volume [636.3290]
_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  0.0000  0.2461  0.2500  1.0
  Cd  Cd1  4  0.0000  0.1441  0.7500  1.0
  Hg  Hg2  4  0.0000  0.3473  0.7500  1.0
  Pb  Pb3  8  0.2463  0.5000  0.0000  1.0
]