CdC11N3H13O7 crystallizes in the orthorhombic P2_12_12_1 space group. Cd(1) is bonded in a distorted pentagonal bipyramidal geometry to one N(1), one O(1), one O(2), one O(3), one O(4), one O(6), and one O(7) atom. The Cd(1)-N(1) bond length is 2.39 Å. The Cd(1)-O(1) bond length is 2.35 Å. The Cd(1)-O(2) bond length is 2.27 Å. The Cd(1)-O(3) bond length is 2.36 Å. The Cd(1)-O(4) bond length is 2.45 Å. The Cd(1)-O(6) bond length is 2.54 Å. The Cd(1)-O(7) bond length is 2.45 Å. There are eleven inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(4), and one O(5) atom. The C(1)-C(2) bond length is 1.48 Å. The C(1)-O(4) bond length is 1.28 Å. The C(1)-O(5) bond length is 1.27 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 N(1) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-N(1) bond length is 1.37 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one N(3) atom. The C(3)-C(4) bond length is 1.48 Å. The C(3)-N(3) bond length is 1.37 Å. In the fourth C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one C(3), one H(1), one H(2), and one H(3) atom. The C(4)-H(1) bond length is 1.10 Å. The C(4)-H(2) bond length is 1.10 Å. The C(4)-H(3) bond length is 1.10 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(6), one C(8), and one N(3) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-C(8) bond length is 1.40 Å. The C(5)-N(3) bond length is 1.42 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5), one C(7), and one H(4) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(10), one C(6), and one H(5) atom. The C(7)-C(10) bond length is 1.40 Å. The C(7)-H(5) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(5) and one H(6) atom. The C(8)-H(6) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10) and one H(7) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-H(7) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(7), and one C(9) atom. The C(10)-C(11) bond length is 1.50 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(6), and one O(7) atom. The C(11)-O(6) bond length is 1.27 Å. The C(11)-O(7) bond length is 1.28 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(2), and one N(2) atom. The N(1)-N(2) bond length is 1.30 Å. In the second N site, N(2) is bonded in a water-like geometry to one N(1) and one N(3) atom. The N(2)-N(3) bond length is 1.37 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one N(2) atom. There are thirteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) 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(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(1) atom. The H(8)-O(1) bond length is 0.99 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(1) atom. The H(9)-O(1) bond length is 1.00 Å. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(2) atom. The H(10)-O(2) bond length is 1.00 Å. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(2) and one O(7) atom. The H(11)-O(2) bond length is 1.00 Å. The H(11)-O(7) bond length is 1.67 Å. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(3) atom. The H(12)-O(3) bond length is 0.98 Å. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(3) atom. The H(13)-O(3) bond length is 1.00 Å. There are seven inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to one C(1) atom. In the second O site, O(6) is bonded in a distorted single-bond geometry to one Cd(1) and one C(11) atom. In the third O site, O(7) is bonded in a 3-coordinate geometry to one Cd(1), one C(11), and one H(11) atom. In the fourth O site, O(1) is bonded in a distorted water-like geometry to one Cd(1), one H(8), and one H(9) atom. In the fifth O site, O(2) is bonded in a distorted water-like geometry to one Cd(1), one H(10), and one H(11) atom. In the sixth O site, O(3) is bonded in a distorted water-like geometry to one Cd(1), one H(12), and one H(13) atom. In the seventh O site, O(4) is bonded in a distorted single-bond geometry to one Cd(1) and one C(1) atom. Linkers: 4 Cc1c(C([O])=O)nnn1-c1ccc(C([O])=O)cc1. Metal clusters: 4 [Cd]. The MOF has largest included sphere 2.87 A, density 1.81 g/cm3, surface area 4021.89 m2/g, accessible volume 0.15 cm3/g