data_ZnBi2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.86
_cell_length_b   5.86
_cell_length_c   5.86
_cell_angle_alpha   130.0
_cell_angle_beta   130.0
_cell_angle_gamma   73.41
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnBi2Pb
_chemical_formula_sum   'Zn1 Bi2 Pb1'
_cell_volume   115.38
_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
  Zn  Zn3  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.48  0.0  0.35  1.0
  Bi  Bi1  1  0.0  0.0  0.7  1.0
  Pb  Pb2  1  0.0  0.48  0.35  1.0

data_ZnBi2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.95
_cell_length_b   4.95
_cell_length_c   5.86
_cell_angle_alpha   115.0
_cell_angle_beta   115.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnBi2Pb
_chemical_formula_sum   'Zn1 Bi2 Pb1'
_cell_volume   115.38
_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
  Zn  Zn0  1  0.0  0.0  0.0  1.0
  Bi  Bi1  1  0.35  0.87  0.87  1.0
  Bi  Bi2  1  0.7  0.7  0.7  1.0
  Pb  Pb3  1  0.87  0.35  0.87  1.0

Zn Bi Bi Pb
Zn Bi Bi Pb 0 3 o o o 0 2 o o - 0 1 o o o 1 2 + o o 2 3 o - o 