DyC8NH7SO7 crystallizes in the monoclinic C2/m space group. Dy(1) is bonded in a 8-coordinate geometry to one S(1), one O(3), one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms. The Dy(1)-S(1) bond length is 2.84 Å. The Dy(1)-O(3) bond length is 2.47 Å. The Dy(1)-O(4) bond length is 2.35 Å. The Dy(1)-O(5) bond length is 2.29 Å. Both Dy(1)-O(1) bond lengths are 2.40 Å. Both Dy(1)-O(2) bond lengths are 2.36 Å. There are five 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(1) atom. The C(1)-C(2) bond length is 1.38 Å. The C(1)-N(1) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(3) bond length is 1.42 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to two equivalent C(2) and one S(1) atom. The C(3)-S(1) bond length is 1.72 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(4)-O(1) bond length is 1.26 Å. The C(4)-O(2) bond length is 1.27 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(5)-O(3) bond length is 1.27 Å. The C(5)-O(4) bond length is 1.26 Å. N(1) is bonded in a trigonal planar geometry to two equivalent C(1) and one H(3) atom. The N(1)-H(3) bond length is 1.03 Å. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) 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 N(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(5) atom. The H(4)-O(5) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one S(1) and one O(5) atom. The H(5)-S(1) bond length is 2.09 Å. The H(5)-O(5) bond length is 1.00 Å. S(1) is bonded in a distorted trigonal planar geometry to one Dy(1), one C(3), and one H(5) atom. There are five 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(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Dy(1) and one C(4) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(5) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Dy(1) and one C(5) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Dy(1), one H(4), and one H(5) atom. Linkers: 1 [O]C(=O)C([O])=O. Metal clusters: 2 [Dy]. The MOF has largest included sphere 2.61 A, density 2.21 g/cm3, surface area 2764.68 m2/g, accessible volume 0.11 cm3/g