data_Al2BiPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.35
_cell_length_b   4.62
_cell_length_c   5.07
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Al2BiPb
_chemical_formula_sum   'Al2 Bi1 Pb1'
_cell_volume   101.8
_cell_formula_units_Z   1
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
  Al  Al0  1  0.0  0.0  0.0  1.0
  Al  Al1  1  0.0  0.31  0.54  1.0
  Bi  Bi2  1  0.17  0.31  0.0  1.0
  Pb  Pb3  1  0.17  0.0  0.54  1.0

data_Al2BiPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.35
_cell_length_b   4.62
_cell_length_c   5.07
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Al2BiPb
_chemical_formula_sum   'Al2 Bi1 Pb1'
_cell_volume   101.8
_cell_formula_units_Z   1
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
  Al  Al0  1  0.0  0.0  0.0  1.0
  Al  Al1  1  0.0  0.31  0.54  1.0
  Bi  Bi2  1  0.17  0.31  0.0  1.0
  Pb  Pb3  1  0.17  0.0  0.54  1.0

Al Al Bi Pb
Al Al Bi Pb 0 2 o o o 1 3 o o o 