V2CuC6N3H6O4(C3H2)3 crystallizes in the monoclinic C2/c space group. The structure consists of twelve 2,3-dimethyl-1,3-butadiene molecules inside a V2CuC6N3H6O4 framework. In the V2CuC6N3H6O4 framework, there are two inequivalent V sites. In the first V site, V(1) is bonded in a trigonal non-coplanar geometry to one O(1), one O(2), and one O(4) atom. The V(1)-O(1) bond length is 1.78 Å. The V(1)-O(2) bond length is 1.67 Å. The V(1)-O(4) bond length is 1.80 Å. In the second V site, V(2) is bonded in a trigonal non-coplanar geometry to one O(1), one O(3), and one O(4) atom. The V(2)-O(1) bond length is 1.80 Å. The V(2)-O(3) bond length is 1.67 Å. The V(2)-O(4) bond length is 1.80 Å. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a square co-planar geometry to two equivalent N(1) and two equivalent O(3) atoms. Both Cu(1)-N(1) bond lengths are 2.13 Å. Both Cu(1)-O(3) bond lengths are 2.05 Å. In the second Cu site, Cu(2) is bonded in an octahedral geometry to two equivalent N(2), two equivalent N(3), and two equivalent O(2) atoms. Both Cu(2)-N(2) bond lengths are 2.26 Å. Both Cu(2)-N(3) bond lengths are 2.18 Å. Both Cu(2)-O(2) bond lengths are 2.02 Å. There are six inequivalent C sites. In the first C site, C(10) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(8) atom. The C(10)-N(3) bond length is 1.36 Å. The C(10)-H(8) bond length is 0.95 Å. In the second C site, C(12) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4,6) atom. The C(12)-N(1) bond length is 1.34 Å. The C(12)-H(4,6) bond length is 0.95 Å. In the third C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(1) atom. The C(1)-N(2) bond length is 1.34 Å. The C(1)-H(1) bond length is 0.95 Å. In the fourth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4,6) atom. The C(6)-N(1) bond length is 1.34 Å. The C(6)-H(4,6) bond length is 0.95 Å. In the fifth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(5) atom. The C(7)-N(3) bond length is 1.34 Å. The C(7)-H(5) bond length is 0.95 Å. In the sixth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(7) atom. The C(8)-N(2) bond length is 1.34 Å. The C(8)-H(7) bond length is 0.95 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(1), one C(12), and one C(6) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(2), one C(1), and one C(8) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cu(2), one C(10), and one C(7) atom. 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(4,6) is bonded in a single-bond geometry to one C(12) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(7) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(8) is bonded in a single-bond geometry to one C(10) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one V(1) and one V(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one V(1) and one Cu(2) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one V(2) and one Cu(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one V(1) and one V(2) atom. Linkers: 6 c1cc(-c2ccncc2)ccn1. Metal clusters: 8 [V] ,4 [Cu]. The MOF has largest included sphere 4.61 A, density 1.61 g/cm3, surface area 3844.72 m2/g, accessible volume 0.18 cm3/g