data_SbPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.63
_cell_length_b   4.63
_cell_length_c   8.98
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SbPb
_chemical_formula_sum   'Sb2 Pb2'
_cell_volume   167.08
_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
  Sb  Sb2  1  0.32  0.34  0.73  1.0
  Sb  Sb3  1  0.0  0.68  0.24  1.0
  Pb  Pb0  1  0.32  0.34  0.59  1.0
  Pb  Pb1  1  0.0  0.68  0.09  1.0

data_SbPb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   8.03
_cell_length_b   4.63
_cell_length_c   8.98
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   SbPb
_chemical_formula_sum   'Sb4 Pb4'
_cell_volume   334.16
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.18  0.5  0.24  1.0
  Sb  Sb1  2  0.34  0.0  0.73  1.0
  Pb  Pb2  2  0.18  0.5  0.09  1.0
  Pb  Pb3  2  0.34  0.0  0.59  1.0

Sb Sb Pb Pb
Sb Sb Pb Pb 0 2 o o o 1 3 o o o 