Dy(O3I)3 crystallizes in the monoclinic P2_1/c space group. Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted single-bond geometry to one I(2) atom. In the second O site, O(1) is bonded in a 2-coordinate geometry to one Dy(1) and one I(2) atom. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one I(3) atom. In the fourth O site, O(3) is bonded in a bent 120 degrees geometry to one Dy(1) and one I(3) atom. In the fifth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one I(1) atom. In the sixth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one I(3) atom. In the seventh O site, O(6) is bonded in a bent 120 degrees geometry to one Dy(1) and one I(1) atom. In the eighth O site, O(7) is bonded in a bent 150 degrees geometry to one Dy(1) and one I(1) atom. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one Dy(1) and one I(2) atom. There are three inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one O(4), one O(6), and one O(7) atom. In the second I site, I(2) is bonded in a distorted trigonal non-coplanar geometry to one O(1), one O(8), and one O(9) atom. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(2), one O(3), and one O(5) atom.
Dy(O3I)3 crystallizes in the monoclinic P2_1/c space group. Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. The Dy(1)-O(1) bond length is 2.45 Å. The Dy(1)-O(2) bond length is 2.52 Å. The Dy(1)-O(3) bond length is 2.37 Å. The Dy(1)-O(4) bond length is 2.43 Å. The Dy(1)-O(5) bond length is 2.27 Å. The Dy(1)-O(6) bond length is 2.33 Å. The Dy(1)-O(7) bond length is 2.22 Å. The Dy(1)-O(8) bond length is 2.25 Å. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted single-bond geometry to one I(2) atom. The O(9)-I(2) bond length is 1.82 Å. In the second O site, O(1) is bonded in a 2-coordinate geometry to one Dy(1) and one I(2) atom. The O(1)-I(2) bond length is 1.82 Å. In the third O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one I(3) atom. The O(2)-I(3) bond length is 1.80 Å. In the fourth O site, O(3) is bonded in a bent 120 degrees geometry to one Dy(1) and one I(3) atom. The O(3)-I(3) bond length is 1.83 Å. In the fifth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one I(1) atom. The O(4)-I(1) bond length is 1.83 Å. In the sixth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one I(3) atom. The O(5)-I(3) bond length is 1.81 Å. In the seventh O site, O(6) is bonded in a bent 120 degrees geometry to one Dy(1) and one I(1) atom. The O(6)-I(1) bond length is 1.82 Å. In the eighth O site, O(7) is bonded in a bent 150 degrees geometry to one Dy(1) and one I(1) atom. The O(7)-I(1) bond length is 1.79 Å. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one Dy(1) and one I(2) atom. The O(8)-I(2) bond length is 1.81 Å. There are three inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one O(4), one O(6), and one O(7) atom. In the second I site, I(2) is bonded in a distorted trigonal non-coplanar geometry to one O(1), one O(8), and one O(9) atom. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(2), one O(3), and one O(5) atom.