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.
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. Both Cu(1)-O(2) bond lengths are 1.95 Å. Both Cu(1)-O(6) bond lengths are 1.84 Å. 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°. The Cu(2)-O(1) bond length is 2.00 Å. The Cu(2)-O(2) bond length is 2.14 Å. Both Cu(2)-O(5) bond lengths are 1.91 Å. Both Cu(2)-O(6) bond lengths are 1.93 Å. 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. Both Al(1)-O(3) bond lengths are 2.00 Å. All Al(1)-O(5) bond lengths are 1.88 Å. 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. The Pb(1)-O(7) bond length is 2.28 Å. Both Pb(1)-O(4) bond lengths are 2.33 Å. Both Pb(1)-O(6) bond lengths are 2.34 Å. Both Pb(1)-O(9) bond lengths are 2.63 Å. The Pb(1)-Cl(1) bond length is 2.61 Å. 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. The Pb(2)-O(1) bond length is 2.35 Å. The Pb(2)-O(3) bond length is 2.22 Å. The Pb(2)-O(4) bond length is 2.39 Å. The Pb(2)-O(5) bond length is 2.48 Å. The Pb(2)-O(8) bond length is 2.61 Å. The Pb(2)-Cl(2) bond length is 2.65 Å. 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°. Both Sb(1)-O(1) bond lengths are 1.98 Å. All Sb(1)-O(4) bond lengths are 2.02 Å. S(1) is bonded in a tetrahedral geometry to one O(7), one O(8), and two equivalent O(9) atoms. The S(1)-O(7) bond length is 1.54 Å. The S(1)-O(8) bond length is 1.51 Å. Both S(1)-O(9) bond lengths are 1.46 Å. 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.