Dy2C12H20O19 crystallizes in the orthorhombic C222_1 space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 9-coordinate geometry to one O(6), two equivalent O(1), two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms. The Dy(1)-O(6) bond length is 2.46 Å. Both Dy(1)-O(1) bond lengths are 2.33 Å. Both Dy(1)-O(3) bond lengths are 2.56 Å. Both Dy(1)-O(4) bond lengths are 2.37 Å. Both Dy(1)-O(7) bond lengths are 2.39 Å. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to two equivalent O(10), two equivalent O(5), two equivalent O(8), and two equivalent O(9) atoms. Both Dy(2)-O(10) bond lengths are 2.45 Å. Both Dy(2)-O(5) bond lengths are 2.33 Å. Both Dy(2)-O(8) bond lengths are 2.41 Å. Both Dy(2)-O(9) bond lengths are 2.35 Å. There are six inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted trigonal non-coplanar geometry to one H(1), one H(2), and one O(3) atom. The C(2)-H(1) bond length is 1.10 Å. The C(2)-H(2) bond length is 1.10 Å. The C(2)-O(3) bond length is 1.43 Å. In the third C site, C(3) is bonded in a distorted trigonal non-coplanar geometry to one H(3), one H(4), and one O(3) atom. The C(3)-H(3) bond length is 1.10 Å. The C(3)-H(4) bond length is 1.10 Å. The C(3)-O(3) bond length is 1.42 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(4) and one O(5) atom. The C(4)-O(4) bond length is 1.28 Å. The C(4)-O(5) bond length is 1.26 Å. In the fifth C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one H(5), one H(6), and one O(6) atom. The C(5)-H(5) bond length is 1.10 Å. The C(5)-H(6) bond length is 1.10 Å. The C(5)-O(6) bond length is 1.43 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(6)-O(7) bond length is 1.28 Å. The C(6)-O(8) bond length is 1.27 Å. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(5) atom. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(2) and one O(9) atom. The H(7)-O(2) bond length is 1.69 Å. The H(7)-O(9) bond length is 1.01 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(4) and one O(9) atom. The H(8)-O(4) bond length is 1.74 Å. The H(8)-O(9) bond length is 0.99 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(10) atom. The H(9)-O(10) bond length is 0.98 Å. In the tenth H site, H(10) is bonded in a distorted bent 150 degrees geometry to one O(10) and one O(7) atom. The H(10)-O(10) bond length is 1.01 Å. The H(10)-O(7) bond length is 1.66 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Dy(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one C(1) and one H(7) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Dy(1), one C(2), and one C(3) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Dy(1), one C(4), and one H(8) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Dy(2) and one C(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and two equivalent C(5) atoms. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Dy(1), one C(6), and one H(10) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Dy(2) and one C(6) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Dy(2), one H(7), and one H(8) atom. In the tenth O site, O(10) is bonded in a distorted water-like geometry to one Dy(2), one H(10), and one H(9) atom. Linkers: 6 [O]C(=O)COCC([O])=O. Metal clusters: 4 [Dy]. The MOF has largest included sphere 3.28 A, density 2.29 g/cm3, surface area 2773.39 m2/g, accessible volume 0.11 cm3/g