data_[Tl2Sb2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [12.1141]
_cell_length_b [3.3686]
_cell_length_c [6.3000]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.8037]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [TlSbPb2]
_chemical_formula_sum '[Tl2 Sb2 Pb4]'
_cell_volume [254.7088]
_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  0.2535  0.5000  0.2472  1.0
  Sb  Sb1  2  0.4969  0.0000  0.5278  1.0
  Pb  Pb2  2  0.2499  0.0000  0.7337  1.0
  Pb  Pb3  2  0.4998  0.5000  0.9914  1.0
]