data_Sb2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.29
_cell_length_b   6.29
_cell_length_c   6.29
_cell_angle_alpha   114.75
_cell_angle_beta   114.75
_cell_angle_gamma   99.36
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sb2Pb
_chemical_formula_sum   'Sb4 Pb2'
_cell_volume   187.12
_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  0.01  0.39  0.0  1.0
  Sb  Sb3  1  0.39  0.01  0.07  1.0
  Sb  Sb4  1  0.4  0.01  0.0  1.0
  Sb  Sb5  1  0.99  0.39  0.07  1.0
  Pb  Pb0  1  0.0  0.0  0.1  1.0
  Pb  Pb1  1  0.0  0.0  0.03  1.0

data_Sb2Pb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   8.14
_cell_length_b   9.59
_cell_length_c   6.29
_cell_angle_alpha   90.0
_cell_angle_beta   130.32
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Sb2Pb
_chemical_formula_sum   'Sb8 Pb4'
_cell_volume   374.24
_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  4  0.3  0.31  0.0  1.0
  Sb  Sb1  4  0.3  0.31  0.93  1.0
  Pb  Pb2  2  0.0  0.0  0.9  1.0
  Pb  Pb3  2  0.0  0.0  0.97  1.0

Sb Sb Sb Sb Pb Pb