Zn2C11NH4O7C3H2 crystallizes in the monoclinic P2_1/c space group. The structure consists of two 2,3-dimethyl-1,3-butadiene molecules inside a Zn2C11NH4O7 framework. In the Zn2C11NH4O7 framework, there are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(2), one O(5), one O(7), and two equivalent O(3) atoms to form distorted edge-sharing ZnO5 trigonal bipyramids. The Zn(1)-O(2) bond length is 1.96 Å. The Zn(1)-O(5) bond length is 1.99 Å. The Zn(1)-O(7) bond length is 1.97 Å. There is one shorter (2.04 Å) and one longer (2.05 Å) Zn(1)-O(3) bond length. In the second Zn site, Zn(2) is bonded in a T-shaped geometry to one N(1), one O(1), and one O(4) atom. The Zn(2)-N(1) bond length is 2.16 Å. The Zn(2)-O(1) bond length is 2.03 Å. The Zn(2)-O(4) bond length is 2.04 Å. There are eleven inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(6) atom. The C(1)-C(3) bond length is 1.41 Å. The C(1)-C(4) bond length is 1.49 Å. The C(1)-C(6) bond length is 1.38 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(5), one C(6), and one C(9) atom. The C(2)-C(5) bond length is 1.38 Å. The C(2)-C(6) bond length is 1.38 Å. The C(2)-C(9) bond length is 1.49 Å. In the third C site, C(3) is bonded in a single-bond geometry to one C(1), one C(7), and one O(3) atom. The C(3)-C(7) bond length is 1.43 Å. The C(3)-O(3) bond length is 1.30 Å. In the fourth C site, C(4) is bonded in a bent 120 degrees geometry to one C(1), one O(4), and one O(7) atom. The C(4)-O(4) bond length is 1.24 Å. The C(4)-O(7) bond length is 1.24 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(2), one C(7), and one H(1) atom. The C(5)-C(7) bond length is 1.38 Å. The C(5)-H(1) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(2), and one H(2) atom. The C(6)-H(2) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(8) atom. The C(7)-C(8) bond length is 1.49 Å. In the eighth C site, C(8) is bonded in a bent 120 degrees geometry to one C(7), one O(1), and one O(5) atom. The C(8)-O(1) bond length is 1.25 Å. The C(8)-O(5) bond length is 1.25 Å. In the ninth C site, C(9) is bonded in a bent 120 degrees geometry to one C(2), one O(2), and one O(6) atom. The C(9)-O(2) bond length is 1.28 Å. The C(9)-O(6) bond length is 1.23 Å. In the tenth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(3) atom. The C(11)-N(1) bond length is 1.31 Å. The C(11)-H(3) bond length is 0.93 Å. In the eleventh C site, C(13) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(5) atom. The C(13)-N(1) bond length is 1.32 Å. The C(13)-H(5) bond length is 0.93 Å. N(1) is bonded in a trigonal planar geometry to one Zn(2), one C(11), and one C(13) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(13) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(8) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(9) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to two equivalent Zn(1) and one C(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(4) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(8) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(9) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(4) atom. Linkers: 2 c1cc(-c2ccncc2)ccn1 ,4 [O]C(=O)c1cc(C([O])=O)c([O])c(C([O])=O)c1. Metal clusters: 8 [Zn]. The MOF has largest included sphere 6.83 A, density 1.29 g/cm3, surface area 3699.74 m2/g, accessible volume 0.47 cm3/g