data_[Tl4Hg4Bi2Pb2]
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
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.5923]
_cell_length_b [10.4114]
_cell_length_c [6.3758]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Tl2Hg2BiPb]
_chemical_formula_sum '[Tl4 Hg4 Bi2 Pb2]'
_cell_volume [371.2237]
_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  2  0.0000  0.1784  0.2977  1.0
  Tl  Tl1  2  0.5000  0.0129  0.9811  1.0
  Hg  Hg2  2  0.0000  0.1613  0.7960  1.0
  Hg  Hg3  2  0.5000  0.3317  0.2077  1.0
  Bi  Bi4  2  0.0000  0.4930  0.5597  1.0
  Pb  Pb5  2  0.5000  0.3388  0.7035  1.0
]