data_[Li4Tl2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tl  1.6200  1.9000  1.3325
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [10.7452]
_cell_length_b [3.5535]
_cell_length_c [4.9363]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.9526]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Li2TlPb]
_chemical_formula_sum '[Li4 Tl2 Pb2]'
_cell_volume [182.9202]
_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
[
  Li  Li0  2  0.0002  0.0000  0.0430  1.0
  Li  Li1  2  0.2503  0.0000  0.7112  1.0
  Tl  Tl2  2  0.2414  0.5000  0.1954  1.0
  Pb  Pb3  2  0.0082  0.5000  0.5504  1.0
]