data_CuBi2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.64
_cell_length_b   4.66
_cell_length_c   5.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuBi2Pb
_chemical_formula_sum   'Cu1 Bi2 Pb1'
_cell_volume   109.9
_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
  Cu  Cu2  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.32  0.33  0.0  1.0
  Bi  Bi1  1  0.32  0.0  0.54  1.0
  Pb  Pb3  1  0.0  0.33  0.54  1.0

data_CuBi2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.64
_cell_length_b   4.66
_cell_length_c   5.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuBi2Pb
_chemical_formula_sum   'Cu1 Bi2 Pb1'
_cell_volume   109.9
_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
  Cu  Cu0  1  0.0  0.0  0.0  1.0
  Bi  Bi1  1  0.32  0.0  0.54  1.0
  Bi  Bi2  1  0.32  0.33  0.0  1.0
  Pb  Pb3  1  0.0  0.33  0.54  1.0

Cu Bi Bi Pb