The crystal structure described by Cu4AlPb6SbS2(O13Cl2)2 crystallizes in the monoclinic C2/m space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a square co-planar geometry to two equivalent O(2) and two equivalent O(6) atoms. In the second Cu site, Cu(2) is bonded to one O(1), one O(2), two equivalent O(5), and two equivalent O(6) atoms to form CuO6 octahedra that share  a cornercorner with one Sb(1)O6 octahedra and  an edgeedge with one Al(1)O6 octahedra. The corner-sharing octahedral tilt angles are 42°. Al(1) is bonded to two equivalent O(3) and four equivalent O(5) atoms to form AlO6 octahedra that share edges with two equivalent Cu(2)O6 octahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 8-coordinate geometry to one O(7), two equivalent O(4), two equivalent O(6), two equivalent O(9), and one Cl(1) atom. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(8), and one Cl(2) atom. Sb(1) is bonded to two equivalent O(1) and four equivalent O(4) atoms to form SbO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles are 42°. S(1) is bonded in a tetrahedral geometry to one O(7), one O(8), and two equivalent O(9) atoms. There are nine inequivalent O sites. In the first O site, O(1) is bonded to one Cu(2), two equivalent Pb(2), and one Sb(1) atom to form distorted corner-sharing OCuSbPb2 trigonal pyramids. In the second O site, O(2) is bonded in a T-shaped geometry to one Cu(2) and two equivalent Cu(1) atoms. In the third O site, O(9) is bonded in a single-bond geometry to one Pb(1) and one S(1) atom. In the fourth O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Al(1) and two equivalent Pb(2) atoms. In the fifth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Pb(1), one Pb(2), and one Sb(1) atom. In the sixth O site, O(5) is bonded in a 3-coordinate geometry to one Cu(2), one Al(1), and one Pb(2) atom. In the seventh O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Cu(1), one Cu(2), and one Pb(1) atom. In the eighth O site, O(7) is bonded in a 2-coordinate geometry to one Pb(1) and one S(1) atom. In the ninth O site, O(8) is bonded in a distorted single-bond geometry to two equivalent Pb(2) and one S(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one Pb(1) atom. In the second Cl site, Cl(2) is bonded in an L-shaped geometry to two equivalent Pb(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_AlCu4SbPb6S2(Cl2O13)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.084
_cell_length_b   10.084
_cell_length_c   10.651
_cell_angle_alpha   65.352
_cell_angle_beta   65.352
_cell_angle_gamma   41.890
_symmetry_Int_Tables_number   1
_cell_volume   647.062
_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  0.000  0.000  0.500  1.0
  Cu  Cu1  1  0.000  0.500  0.500  1.0
  Cu  Cu2  1  0.500  0.000  0.500  1.0
  Cu  Cu3  1  0.112  0.112  0.610  1.0
  Cu  Cu4  1  0.888  0.888  0.390  1.0
  Sb  Sb5  1  0.000  0.000  0.000  1.0
  Pb  Pb6  1  0.190  0.190  0.824  1.0
  Pb  Pb7  1  0.810  0.810  0.176  1.0
  Pb  Pb8  1  0.175  0.699  0.791  1.0
  Pb  Pb9  1  0.699  0.175  0.791  1.0
  Pb  Pb10  1  0.825  0.301  0.209  1.0
  Pb  Pb11  1  0.301  0.825  0.209  1.0
  S  S12  1  0.265  0.265  0.077  1.0
  S  S13  1  0.735  0.735  0.923  1.0
  Cl  Cl14  1  0.342  0.342  0.657  1.0
  Cl  Cl15  1  0.658  0.658  0.343  1.0
  Cl  Cl16  1  0.467  0.467  0.201  1.0
  Cl  Cl17  1  0.533  0.533  0.799  1.0
  O  O18  1  0.980  0.980  0.199  1.0
  O  O19  1  0.020  0.020  0.801  1.0
  O  O20  1  0.232  0.232  0.450  1.0
  O  O21  1  0.768  0.768  0.550  1.0
  O  O22  1  0.092  0.092  0.310  1.0
  O  O23  1  0.908  0.908  0.690  1.0
  O  O24  1  0.900  0.272  0.972  1.0
  O  O25  1  0.272  0.900  0.972  1.0
  O  O26  1  0.100  0.728  0.028  1.0
  O  O27  1  0.728  0.100  0.028  1.0
  O  O28  1  0.878  0.226  0.561  1.0
  O  O29  1  0.226  0.878  0.561  1.0
  O  O30  1  0.122  0.774  0.439  1.0
  O  O31  1  0.774  0.122  0.439  1.0
  O  O32  1  0.981  0.351  0.667  1.0
  O  O33  1  0.351  0.981  0.667  1.0
  O  O34  1  0.019  0.649  0.333  1.0
  O  O35  1  0.649  0.019  0.333  1.0
  O  O36  1  0.198  0.198  0.032  1.0
  O  O37  1  0.802  0.802  0.968  1.0
  O  O38  1  0.343  0.343  0.943  1.0
  O  O39  1  0.657  0.657  0.057  1.0
  O  O40  1  0.087  0.426  0.157  1.0
  O  O41  1  0.426  0.087  0.157  1.0
  O  O42  1  0.913  0.574  0.843  1.0
  O  O43  1  0.574  0.913  0.843  1.0
[/CIF]
.
The crystal structure described by Cu4AlPb6SbS2(O13Cl2)2 crystallizes in the monoclinic C2/m space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a square co-planar geometry to two equivalent O(2) and two equivalent O(6) atoms. In the second Cu site, Cu(2) is bonded to one O(1), one O(2), two equivalent O(5), and two equivalent O(6) atoms to form CuO6 octahedra that share  a cornercorner with one Sb(1)O6 octahedra and  an edgeedge with one Al(1)O6 octahedra. The corner-sharing octahedral tilt angles are 42°. Al(1) is bonded to two equivalent O(3) and four equivalent O(5) atoms to form AlO6 octahedra that share edges with two equivalent Cu(2)O6 octahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 8-coordinate geometry to one O(7), two equivalent O(4), two equivalent O(6), two equivalent O(9), and one Cl(1) atom. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(8), and one Cl(2) atom. Sb(1) is bonded to two equivalent O(1) and four equivalent O(4) atoms to form SbO6 octahedra that share corners with two equivalent Cu(2)O6 octahedra. The corner-sharing octahedral tilt angles are 42°. S(1) is bonded in a tetrahedral geometry to one O(7), one O(8), and two equivalent O(9) atoms. There are nine inequivalent O sites. In the first O site, O(1) is bonded to one Cu(2), two equivalent Pb(2), and one Sb(1) atom to form distorted corner-sharing OCuSbPb2 trigonal pyramids. In the second O site, O(2) is bonded in a T-shaped geometry to one Cu(2) and two equivalent Cu(1) atoms. In the third O site, O(9) is bonded in a single-bond geometry to one Pb(1) and one S(1) atom. In the fourth O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Al(1) and two equivalent Pb(2) atoms. In the fifth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Pb(1), one Pb(2), and one Sb(1) atom. In the sixth O site, O(5) is bonded in a 3-coordinate geometry to one Cu(2), one Al(1), and one Pb(2) atom. In the seventh O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Cu(1), one Cu(2), and one Pb(1) atom. In the eighth O site, O(7) is bonded in a 2-coordinate geometry to one Pb(1) and one S(1) atom. In the ninth O site, O(8) is bonded in a distorted single-bond geometry to two equivalent Pb(2) and one S(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one Pb(1) atom. In the second Cl site, Cl(2) is bonded in an L-shaped geometry to two equivalent Pb(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_AlCu4SbPb6S2(Cl2O13)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.084
_cell_length_b   10.084
_cell_length_c   10.651
_cell_angle_alpha   65.352
_cell_angle_beta   65.352
_cell_angle_gamma   41.890
_symmetry_Int_Tables_number   1
_cell_volume   647.062
_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  0.000  0.000  0.500  1.0
  Cu  Cu1  1  0.000  0.500  0.500  1.0
  Cu  Cu2  1  0.500  0.000  0.500  1.0
  Cu  Cu3  1  0.112  0.112  0.610  1.0
  Cu  Cu4  1  0.888  0.888  0.390  1.0
  Sb  Sb5  1  0.000  0.000  0.000  1.0
  Pb  Pb6  1  0.190  0.190  0.824  1.0
  Pb  Pb7  1  0.810  0.810  0.176  1.0
  Pb  Pb8  1  0.175  0.699  0.791  1.0
  Pb  Pb9  1  0.699  0.175  0.791  1.0
  Pb  Pb10  1  0.825  0.301  0.209  1.0
  Pb  Pb11  1  0.301  0.825  0.209  1.0
  S  S12  1  0.265  0.265  0.077  1.0
  S  S13  1  0.735  0.735  0.923  1.0
  Cl  Cl14  1  0.342  0.342  0.657  1.0
  Cl  Cl15  1  0.658  0.658  0.343  1.0
  Cl  Cl16  1  0.467  0.467  0.201  1.0
  Cl  Cl17  1  0.533  0.533  0.799  1.0
  O  O18  1  0.980  0.980  0.199  1.0
  O  O19  1  0.020  0.020  0.801  1.0
  O  O20  1  0.232  0.232  0.450  1.0
  O  O21  1  0.768  0.768  0.550  1.0
  O  O22  1  0.092  0.092  0.310  1.0
  O  O23  1  0.908  0.908  0.690  1.0
  O  O24  1  0.900  0.272  0.972  1.0
  O  O25  1  0.272  0.900  0.972  1.0
  O  O26  1  0.100  0.728  0.028  1.0
  O  O27  1  0.728  0.100  0.028  1.0
  O  O28  1  0.878  0.226  0.561  1.0
  O  O29  1  0.226  0.878  0.561  1.0
  O  O30  1  0.122  0.774  0.439  1.0
  O  O31  1  0.774  0.122  0.439  1.0
  O  O32  1  0.981  0.351  0.667  1.0
  O  O33  1  0.351  0.981  0.667  1.0
  O  O34  1  0.019  0.649  0.333  1.0
  O  O35  1  0.649  0.019  0.333  1.0
  O  O36  1  0.198  0.198  0.032  1.0
  O  O37  1  0.802  0.802  0.968  1.0
  O  O38  1  0.343  0.343  0.943  1.0
  O  O39  1  0.657  0.657  0.057  1.0
  O  O40  1  0.087  0.426  0.157  1.0
  O  O41  1  0.426  0.087  0.157  1.0
  O  O42  1  0.913  0.574  0.843  1.0
  O  O43  1  0.574  0.913  0.843  1.0
[/CIF]
.