DyC10N2H11O9 crystallizes in the triclinic P-1 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(6), one O(7), one O(8), and one O(9) atom. The Dy(1)-O(1) bond length is 2.34 Å. The Dy(1)-O(2) bond length is 2.42 Å. The Dy(1)-O(3) bond length is 2.40 Å. The Dy(1)-O(4) bond length is 2.28 Å. The Dy(1)-O(6) bond length is 2.52 Å. The Dy(1)-O(7) bond length is 2.30 Å. The Dy(1)-O(8) bond length is 2.42 Å. The Dy(1)-O(9) bond length is 2.38 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(3) atom. The C(1)-O(2) bond length is 1.27 Å. The C(1)-O(3) bond length is 1.27 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(4), and one O(7) atom. The C(2)-C(8) bond length is 1.49 Å. The C(2)-O(4) bond length is 1.27 Å. The C(2)-O(7) bond length is 1.28 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(7) atom. The C(3)-N(1) bond length is 1.35 Å. The C(3)-N(2) bond length is 1.35 Å. The C(3)-H(7) bond length is 1.08 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(10), one C(5), and one N(1) atom. The C(4)-C(10) bond length is 1.42 Å. The C(4)-C(5) bond length is 1.38 Å. The C(4)-N(1) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(6), and one H(8) atom. The C(5)-C(6) bond length is 1.43 Å. The C(5)-H(8) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(8) atom. The C(6)-C(7) bond length is 1.43 Å. The C(6)-C(8) bond length is 1.44 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(1), and one O(5) atom. The C(7)-O(1) bond length is 1.31 Å. The C(7)-O(5) bond length is 1.32 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(9) atom. The C(8)-C(9) bond length is 1.39 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(9) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-H(9) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(4), one C(9), and one N(2) atom. The C(10)-N(2) bond length is 1.38 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(3), one C(4), and one H(6) atom. The N(1)-H(6) bond length is 1.03 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(10), one C(3), and one H(4) atom. The N(2)-H(4) bond length is 1.05 Å. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(5) and one O(9) atom. The H(1)-O(5) bond length is 1.44 Å. The H(1)-O(9) bond length is 1.06 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. The H(2)-O(6) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(6) atom. The H(3)-O(6) bond length is 0.98 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one N(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(5) and one O(9) atom. The H(5)-O(5) bond length is 1.69 Å. The H(5)-O(9) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(1) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(3) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(5) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(9) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(8) atom. The H(10)-O(8) bond length is 0.98 Å. In the eleventh H site, H(11) is bonded in a single-bond geometry to one O(8) atom. The H(11)-O(8) bond length is 1.00 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Dy(1) and one C(7) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Dy(1) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one C(7), one H(1), and one H(5) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Dy(1), one H(2), and one H(3) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Dy(1) and one C(2) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Dy(1), one H(10), and one H(11) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Dy(1), one H(1), and one H(5) atom. Linkers: 2 [O]C(=O)c1cc2c(cc1C([O])=O)N[CH]N2 ,1 [O]C(=O)C([O])=O. Metal clusters: 2 [Dy]. The MOF has largest included sphere 1.54 A, density 2.61 g/cm3, surface area 2307.73 m2/g, accessible volume 0.05 cm3/g