data_AlP2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.43
_cell_length_b   3.43
_cell_length_c   6.43
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AlP2Pb
_chemical_formula_sum   'Al1 P2 Pb1'
_cell_volume   75.59
_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  0.16  1.0
  P  P1  1  0.71  0.71  0.0  1.0
  P  P2  1  0.0  0.0  0.39  1.0
  Pb  Pb3  1  0.71  0.71  0.09  1.0

data_AlP2Pb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.85
_cell_length_b   4.85
_cell_length_c   6.43
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   AlP2Pb
_chemical_formula_sum   'Al2 P4 Pb2'
_cell_volume   151.18
_cell_formula_units_Z   2
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
  Al  Al0  2  0.0  0.0  0.16  1.0
  P  P1  2  0.0  0.0  0.39  1.0
  P  P2  2  0.21  0.5  0.0  1.0
  Pb  Pb3  2  0.21  0.5  0.09  1.0

Al P P Pb
AlPbP2 is Indium-like structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two AlPbP2 clusters. Al(1) is bonded in a distorted water-like geometry to one Pb(1) and one P(2) atom. The Al(1)-Pb(1) bond length is 1.46 Å. The Al(1)-P(2) bond length is 1.52 Å. Pb(1) is bonded in a distorted water-like geometry to one Al(1) and one P(1) atom. The Pb(1)-P(1) bond length is 0.53 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded in a single-bond geometry to one Pb(1) atom. In the second P site, P(2) is bonded in a single-bond geometry to one Al(1) atom.