Pb5As3O9Cl crystallizes in the hexagonal P6_3 space group. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one Cl(1) atom. In the second Pb site, Pb(2) is bonded in a 7-coordinate geometry to three equivalent O(2), three equivalent O(3), and one Cl(1) atom. In the third Pb site, Pb(3) is bonded in a 3-coordinate geometry to three equivalent O(1) atoms. As(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(2), and one O(3) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(3), and one As(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(2), and one As(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(2), and one As(1) atom. Cl(1) is bonded in a trigonal pyramidal geometry to one Pb(2) and three equivalent Pb(1) atoms.
Pb5As3O9Cl crystallizes in the hexagonal P6_3 space group. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one Cl(1) atom. The Pb(1)-O(1) bond length is 2.64 Å. The Pb(1)-O(2) bond length is 2.30 Å. The Pb(1)-O(3) bond length is 2.30 Å. The Pb(1)-Cl(1) bond length is 3.04 Å. In the second Pb site, Pb(2) is bonded in a 7-coordinate geometry to three equivalent O(2), three equivalent O(3), and one Cl(1) atom. All Pb(2)-O(2) bond lengths are 2.76 Å. All Pb(2)-O(3) bond lengths are 2.67 Å. The Pb(2)-Cl(1) bond length is 2.92 Å. In the third Pb site, Pb(3) is bonded in a 3-coordinate geometry to three equivalent O(1) atoms. All Pb(3)-O(1) bond lengths are 2.43 Å. As(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(2), and one O(3) atom. The As(1)-O(1) bond length is 1.83 Å. The As(1)-O(2) bond length is 1.80 Å. The As(1)-O(3) bond length is 1.79 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(3), and one As(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(2), and one As(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(2), and one As(1) atom. Cl(1) is bonded in a trigonal pyramidal geometry to one Pb(2) and three equivalent Pb(1) atoms.