DyC8NH6O6 crystallizes in the monoclinic P2_1/c 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(5), and three equivalent O(6) atoms. The Dy(1)-O(1) bond length is 2.40 Å. The Dy(1)-O(2) bond length is 2.46 Å. The Dy(1)-O(3) bond length is 2.31 Å. The Dy(1)-O(4) bond length is 2.35 Å. The Dy(1)-O(5) bond length is 2.37 Å. There are two shorter (2.38 Å) and one longer (2.41 Å) Dy(1)-O(6) bond length. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-C(7) bond length is 1.49 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(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(1) 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(8) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(8) bond length is 1.49 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(2) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one N(1) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-N(1) bond length is 1.41 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(1), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.27 Å. The C(7)-O(2) bond length is 1.29 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.27 Å. The C(8)-O(4) bond length is 1.28 Å. N(1) is bonded in a distorted bent 120 degrees geometry to one C(5) and one N(1) atom. The N(1)-N(1) bond length is 1.27 Å. There are six 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(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(2) and one O(5) atom. The H(4)-O(2) bond length is 1.60 Å. The H(4)-O(5) bond length is 1.00 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(5) atom. The H(5)-O(5) bond length is 0.97 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(6) atom. The H(6)-O(6) bond length is 0.98 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Dy(1) and one C(7) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Dy(1), one C(7), and one H(4) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Dy(1) and one C(8) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Dy(1) and one C(8) 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. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to three equivalent Dy(1) and one H(6) atom. Linkers: 2 [O]C(=O)c1cc([C]=O)cc([N][N]c2cc(C([O])=O)cc(C([O])=O)c2)c1 ,2 [N]c1cc(C([O])=O)cc(C([O])=O)c1 ,1 [O]C(=O)c1cc([N][N]c2cc(C([O])=O)cc(C([O])=O)c2)cc(C([O])=O)c1 ,2 [CH]C(=[CH])[N][N]c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 4 [Dy]. The MOF has largest included sphere 3.03 A, density 2.42 g/cm3, surface area 2414.84 m2/g, accessible volume 0.12 cm3/g