DyC18N3H16O8 crystallizes in the monoclinic C2/c space group. Dy(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Both Dy(1)-O(1) bond lengths are 2.37 Å. Both Dy(1)-O(2) bond lengths are 2.30 Å. Both Dy(1)-O(3) bond lengths are 2.51 Å. Both Dy(1)-O(4) bond lengths are 2.35 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(3) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-N(1) bond length is 1.34 Å. The C(1)-H(3) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(4) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(4) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(5) atom. The C(3)-C(4) bond length is 1.51 Å. The C(3)-C(5) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(4)-O(1) bond length is 1.27 Å. The C(4)-O(2) bond length is 1.27 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3), one C(6), and one H(5) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-H(5) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one N(1), and one H(6) atom. The C(6)-N(1) bond length is 1.34 Å. The C(6)-H(6) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(8), one N(2), and one H(7) atom. The C(7)-C(8) bond length is 1.39 Å. The C(7)-N(2) bond length is 1.34 Å. The C(7)-H(7) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one H(8) atom. The C(8)-C(9) bond length is 1.40 Å. The C(8)-H(8) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10) and two equivalent C(8) atoms. The C(9)-C(10) bond length is 1.49 Å. In the tenth C site, C(10) is bonded in a bent 120 degrees geometry to one C(9) and two equivalent O(3) atoms. Both C(10)-O(3) bond lengths are 1.28 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(1), one C(6), and one H(2) atom. The N(1)-H(2) bond length is 1.66 Å. In the second N site, N(2) is bonded in a bent 120 degrees geometry to two equivalent C(7) atoms. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(4) atom. The H(1)-O(4) bond length is 0.99 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one N(1) and one O(4) atom. The H(2)-O(4) bond length is 1.02 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) 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(6) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(8) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(4) atom. In the second O site, O(2) is bonded in a linear geometry to one Dy(1) and one C(4) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Dy(1) and one C(10) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one Dy(1), one H(1), and one H(2) atom. Linkers: 4 [O]C(=O)c1ccncc1. Metal clusters: 2 [Dy]. The MOF has largest included sphere 2.73 A, density 1.85 g/cm3, surface area 3623.28 m2/g, accessible volume 0.16 cm3/g