V2CdC5N5H7O7 crystallizes in the triclinic P-1 space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form VO4 tetrahedra that share  a cornercorner with one Cd(1)N2O4 octahedra,  a cornercorner with one Cd(2)N2O4 octahedra, and corners with two equivalent V(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-60°. The V(1)-O(3) bond length is 1.79 Å. The V(1)-O(4) bond length is 1.67 Å. The V(1)-O(5) bond length is 1.78 Å. The V(1)-O(6) bond length is 1.68 Å. In the second V site, V(2) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form VO4 tetrahedra that share  a cornercorner with one Cd(2)N2O4 octahedra and corners with two equivalent V(1)O4 tetrahedra. The corner-sharing octahedral tilt angles are 50°. The V(2)-O(1) bond length is 1.67 Å. The V(2)-O(2) bond length is 1.64 Å. The V(2)-O(3) bond length is 1.81 Å. The V(2)-O(5) bond length is 1.81 Å. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to two equivalent N(2), two equivalent O(6), and two equivalent O(7) atoms to form CdN2O4 octahedra that share corners with two equivalent V(1)O4 tetrahedra. Both Cd(1)-N(2) bond lengths are 2.40 Å. Both Cd(1)-O(6) bond lengths are 2.31 Å. Both Cd(1)-O(7) bond lengths are 2.37 Å. In the second Cd site, Cd(2) is bonded to two equivalent N(1), two equivalent O(1), and two equivalent O(4) atoms to form CdN2O4 octahedra that share corners with two equivalent V(1)O4 tetrahedra and corners with two equivalent V(2)O4 tetrahedra. Both Cd(2)-N(1) bond lengths are 2.32 Å. Both Cd(2)-O(1) bond lengths are 2.29 Å. Both Cd(2)-O(4) bond lengths are 2.35 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(4), one N(2), and one N(5) atom. The C(1)-C(4) bond length is 1.40 Å. The C(1)-N(2) bond length is 1.35 Å. The C(1)-N(5) bond length is 1.37 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(1) atom. The C(2)-N(2) bond length is 1.34 Å. The C(2)-N(3) bond length is 1.34 Å. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(4), one N(3), and one N(4) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-N(3) bond length is 1.36 Å. The C(3)-N(4) bond length is 1.33 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one N(1) atom. The C(4)-N(1) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one N(1), one N(5), and one H(2) atom. The C(5)-N(1) bond length is 1.33 Å. The C(5)-N(5) bond length is 1.36 Å. The C(5)-H(2) bond length is 1.08 Å. There are five inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(4), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cd(1), one C(1), and one C(2) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(3), and one H(3) atom. The N(3)-H(3) bond length is 1.74 Å. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(3), one H(5), and one H(6) atom. The N(4)-H(5) bond length is 1.03 Å. The N(4)-H(6) bond length is 1.01 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(1), one C(5), and one H(7) atom. The N(5)-H(7) bond length is 1.04 Å. There are seven 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(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(3) and one O(7) atom. The H(3)-O(7) bond length is 1.01 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(2) and one O(7) atom. The H(4)-O(2) bond length is 1.66 Å. The H(4)-O(7) bond length is 1.00 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(4) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one N(5) and one O(6) atom. The H(7)-O(6) bond length is 1.77 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one V(2) and one Cd(2) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one V(2) and one H(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one V(1) and one V(2) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one V(1) and one Cd(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one V(1) and one V(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one V(1), one Cd(1), and one H(7) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one Cd(1), one H(3), and one H(4) atom. Linkers: 2 N[C]1N=C[N]c2[nH]cnc21. Metal clusters: 4 [V] ,2 [Cd]. The MOF has largest included sphere 1.69 A, density 2.60 g/cm3, surface area 3006.37 m2/g, accessible volume 0.07 cm3/g