CuPb2AsSO9 crystallizes in the monoclinic P2_1/m space group. Cu(1) is bonded in a distorted square co-planar geometry to two equivalent O(1) and two equivalent O(4) atoms. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(5), and two equivalent O(7) atoms. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(4), one O(6), two equivalent O(1), and two equivalent O(7) atoms. As(1) is bonded in a tetrahedral geometry to one O(2), one O(6), and two equivalent O(1) atoms. S(1) is bonded in a tetrahedral geometry to one O(3), one O(5), and two equivalent O(7) atoms. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cu(1), one Pb(2), and one As(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Pb(1) and one As(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Pb(1) and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cu(1) and one Pb(2) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Pb(1) and one S(1) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Pb(2) and one As(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one S(1) atom.
CuPb2AsSO9 crystallizes in the monoclinic P2_1/m space group. Cu(1) is bonded in a distorted square co-planar geometry to two equivalent O(1) and two equivalent O(4) atoms. Both Cu(1)-O(1) bond lengths are 1.89 Å. Both Cu(1)-O(4) bond lengths are 1.83 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(5), and two equivalent O(7) atoms. The Pb(1)-O(2) bond length is 2.46 Å. The Pb(1)-O(3) bond length is 2.83 Å. The Pb(1)-O(5) bond length is 2.71 Å. Both Pb(1)-O(7) bond lengths are 2.56 Å. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(4), one O(6), two equivalent O(1), and two equivalent O(7) atoms. The Pb(2)-O(4) bond length is 2.48 Å. The Pb(2)-O(6) bond length is 2.51 Å. Both Pb(2)-O(1) bond lengths are 2.64 Å. Both Pb(2)-O(7) bond lengths are 2.84 Å. As(1) is bonded in a tetrahedral geometry to one O(2), one O(6), and two equivalent O(1) atoms. The As(1)-O(2) bond length is 1.71 Å. The As(1)-O(6) bond length is 1.69 Å. Both As(1)-O(1) bond lengths are 1.76 Å. S(1) is bonded in a tetrahedral geometry to one O(3), one O(5), and two equivalent O(7) atoms. The S(1)-O(3) bond length is 1.49 Å. The S(1)-O(5) bond length is 1.49 Å. Both S(1)-O(7) bond lengths are 1.52 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cu(1), one Pb(2), and one As(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Pb(1) and one As(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Pb(1) and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cu(1) and one Pb(2) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Pb(1) and one S(1) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Pb(2) and one As(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Pb(1), one Pb(2), and one S(1) atom.