data_AlZnSnPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.17
_cell_length_b   5.17
_cell_length_c   5.17
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AlZnSnPb
_chemical_formula_sum   'Al1 Zn1 Sn1 Pb1'
_cell_volume   97.84
_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
  Zn  Zn3  1  0.83  0.83  0.83  1.0
  Sn  Sn2  1  0.66  0.66  0.66  1.0
  Pb  Pb1  1  0.49  0.49  0.49  1.0

data_AlZnSnPb
_symmetry_space_group_name_H-M   R3m
_cell_length_a   5.17
_cell_length_b   5.17
_cell_length_c   12.67
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   AlZnSnPb
_chemical_formula_sum   'Al3 Zn3 Sn3 Pb3'
_cell_volume   293.53
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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  3  0.0  0.0  0.0  1.0
  Zn  Zn1  3  0.0  0.0  0.17  1.0
  Sn  Sn2  3  0.0  0.0  0.34  1.0
  Pb  Pb3  3  0.0  0.0  0.51  1.0

Al Zn Sn Pb
ZnAlPbSn crystallizes in the trigonal R3m space group. Zn(1) is bonded to one Al(1), three equivalent Pb(1), and one Sn(1) atom to form ZnAlSnPb3 trigonal bipyramids that share corners with six equivalent Zn(1)AlSnPb3 trigonal bipyramids,  a cornercorner with one Pb(1)Zn3Sn trigonal pyramid, corners with three equivalent Al(1)ZnSn3 trigonal pyramids, and edges with three equivalent Sn(1)Al3ZnPb trigonal bipyramids. The Zn(1)-Al(1) bond length is 2.17 Å. All Zn(1)-Pb(1) bond lengths are 2.99 Å. The Zn(1)-Sn(1) bond length is 2.17 Å. Al(1) is bonded to one Zn(1) and three equivalent Sn(1) atoms to form AlZnSn3 trigonal pyramids that share  a cornercorner with one Sn(1)Al3ZnPb trigonal bipyramid, corners with three equivalent Zn(1)AlSnPb3 trigonal bipyramids, corners with six equivalent Al(1)ZnSn3 trigonal pyramids, and edges with three equivalent Pb(1)Zn3Sn trigonal pyramids. All Al(1)-Sn(1) bond lengths are 2.99 Å. Pb(1) is bonded to three equivalent Zn(1) and one Sn(1) atom to form PbZn3Sn trigonal pyramids that share  a cornercorner with one Zn(1)AlSnPb3 trigonal bipyramid, corners with three equivalent Sn(1)Al3ZnPb trigonal bipyramids, corners with six equivalent Pb(1)Zn3Sn trigonal pyramids, and edges with three equivalent Al(1)ZnSn3 trigonal pyramids. The Pb(1)-Sn(1) bond length is 2.17 Å. Sn(1) is bonded to one Zn(1), three equivalent Al(1), and one Pb(1) atom to form distorted SnAl3ZnPb trigonal bipyramids that share corners with six equivalent Sn(1)Al3ZnPb trigonal bipyramids,  a cornercorner with one Al(1)ZnSn3 trigonal pyramid, corners with three equivalent Pb(1)Zn3Sn trigonal pyramids, and edges with three equivalent Zn(1)AlSnPb3 trigonal bipyramids.