data_[Sb8Pb20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sb  2.0500  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [17.6605]
_cell_length_b [6.6962]
_cell_length_c [7.5860]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0312]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sb2Pb5]
_chemical_formula_sum '[Sb8 Pb20]'
_cell_volume [897.1079]
_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
[
  Sb  Sb0  8  0.0736  0.3144  0.3564  1
  Pb  Pb1  8  0.1525  0.0942  0.0339  1
  Pb  Pb2  8  0.1945  0.3909  0.6841  1
  Pb  Pb3  4  0.0000  0.2401  0.7500  1
]