YbO11I3 crystallizes in the triclinic P-1 space group. Yb(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Yb(1) and two equivalent I(1) atoms. In the second O site, O(2) is bonded in a single-bond geometry to one I(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one I(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Yb(1) and one I(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Yb(1) and one I(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one I(1) and one I(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Yb(1) and one I(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Yb(1) and one I(3) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Yb(1) and one I(3) atom. In the tenth O site, O(10) is bonded in a distorted water-like geometry to one Yb(1) and one I(1) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Yb(1) atom. There are three inequivalent I sites. In the first I site, I(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(3), one O(6), and two equivalent O(1) atoms. In the second I site, I(2) is bonded in a 3-coordinate geometry to one O(4), one O(5), and one O(6) atom. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(7), one O(8), and one O(9) atom.
YbO11I3 crystallizes in the triclinic P-1 space group. Yb(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. The Yb(1)-O(1) bond length is 2.43 Å. The Yb(1)-O(10) bond length is 2.51 Å. The Yb(1)-O(11) bond length is 2.54 Å. The Yb(1)-O(4) bond length is 2.35 Å. The Yb(1)-O(5) bond length is 2.33 Å. The Yb(1)-O(7) bond length is 2.37 Å. The Yb(1)-O(8) bond length is 2.41 Å. The Yb(1)-O(9) bond length is 2.32 Å. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Yb(1) and two equivalent I(1) atoms. There is one shorter (1.91 Å) and one longer (2.60 Å) O(1)-I(1) bond length. In the second O site, O(2) is bonded in a single-bond geometry to one I(1) atom. The O(2)-I(1) bond length is 1.80 Å. In the third O site, O(3) is bonded in a single-bond geometry to one I(1) atom. The O(3)-I(1) bond length is 1.87 Å. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Yb(1) and one I(2) atom. The O(4)-I(2) bond length is 1.83 Å. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Yb(1) and one I(2) atom. The O(5)-I(2) bond length is 1.81 Å. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one I(1) and one I(2) atom. The O(6)-I(1) bond length is 2.39 Å. The O(6)-I(2) bond length is 1.87 Å. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Yb(1) and one I(3) atom. The O(7)-I(3) bond length is 1.84 Å. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Yb(1) and one I(3) atom. The O(8)-I(3) bond length is 1.84 Å. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Yb(1) and one I(3) atom. The O(9)-I(3) bond length is 1.83 Å. In the tenth O site, O(10) is bonded in a distorted water-like geometry to one Yb(1) and one I(1) atom. The O(10)-I(1) bond length is 2.64 Å. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Yb(1) atom. There are three inequivalent I sites. In the first I site, I(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(3), one O(6), and two equivalent O(1) atoms. In the second I site, I(2) is bonded in a 3-coordinate geometry to one O(4), one O(5), and one O(6) atom. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(7), one O(8), and one O(9) atom.