Cd2C12H12(NO)7(HC2N)12 is Indium-derived structured and crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four Cd2C12H12(NO)7 clusters and twelve HC2N clusters. In each Cd2C12H12(NO)7 cluster, Cd(1) is bonded in a distorted trigonal bipyramidal geometry to one N(3), one N(4), one N(9), one O(1), and one O(2) atom. The Cd(1)-N(3) bond length is 2.43 Å. The Cd(1)-N(4) bond length is 2.28 Å. The Cd(1)-N(9) bond length is 2.29 Å. The Cd(1)-O(1) bond length is 2.31 Å. The Cd(1)-O(2) bond length is 2.40 Å. There are six inequivalent C sites. In the first C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(1) atom. The C(2)-N(3) bond length is 1.31 Å. The C(2)-H(1) bond length is 0.95 Å. In the second C site, C(6) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(4) atom. The C(6)-N(3) bond length is 1.34 Å. The C(6)-H(4) bond length is 0.95 Å. In the third C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(5) atom. The C(7)-N(4) bond length is 1.34 Å. The C(7)-H(5) bond length is 0.95 Å. In the fourth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(8) atom. The C(11)-N(4) bond length is 1.33 Å. The C(11)-H(8) bond length is 0.95 Å. In the fifth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one N(9) and one H(9) atom. The C(14)-N(9) bond length is 1.33 Å. The C(14)-H(9) bond length is 0.95 Å. In the sixth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one N(9) and one H(12) atom. The C(18)-N(9) bond length is 1.32 Å. The C(18)-H(12) bond length is 0.95 Å. There are four inequivalent N sites. In the first N site, N(9) is bonded in a trigonal planar geometry to one Cd(1), one C(14), and one C(18) atom. In the second N site, N(10) is bonded in a 7-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. The N(10)-O(4) bond length is 1.20 Å. Both N(10)-O(1) bond lengths are 1.28 Å. Both N(10)-O(2) bond lengths are 1.30 Å. Both N(10)-O(3) bond lengths are 1.16 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cd(1), one C(2), and one C(6) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cd(1), one C(11), and one C(7) atom. 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(4) is bonded in a single-bond geometry to one C(6) 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(8) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one C(14) atom. In the sixth H site, H(12) is bonded in a single-bond geometry to one C(18) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Cd(1), one N(10), and one O(2) atom. The O(1)-O(2) bond length is 0.92 Å. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Cd(1), one N(10), and one O(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one N(10) and one O(4) atom. The O(3)-O(4) bond length is 0.77 Å. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one N(10) and two equivalent O(3) atoms. In four of the HC2N clusters, there are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(4), one N(1), and one N(2) atom. The C(1)-C(4) bond length is 1.48 Å. The C(1)-N(1) bond length is 1.34 Å. The C(1)-N(2) bond length is 1.34 Å. In the second C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(2) bond length is 0.95 Å. In the third C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(5) atom. The C(4)-C(5) bond length is 1.38 Å. In the fourth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(3) atom. The C(5)-H(3) bond length is 0.95 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted single-bond geometry to one C(1) and one N(2) atom. The N(1)-N(2) bond length is 1.31 Å. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one C(1) and one N(1) atom. There are two inequivalent H sites. In the first H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In eight of the HC2N clusters, there are eight inequivalent C sites. In the first C site, C(8) is bonded in a distorted single-bond geometry to one C(9) and one H(6) atom. The C(8)-C(9) bond length is 1.38 Å. The C(8)-H(6) bond length is 0.95 Å. In the second C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(8) atom. The C(9)-C(10) bond length is 1.38 Å. The C(9)-C(12) bond length is 1.47 Å. In the third C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one H(7) atom. The C(10)-H(7) bond length is 0.95 Å. In the fourth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(9), one N(6), and one N(7) atom. The C(12)-N(6) bond length is 1.33 Å. The C(12)-N(7) bond length is 1.34 Å. In the fifth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(16), one N(5), and one N(8) atom. The C(13)-C(16) bond length is 1.48 Å. The C(13)-N(5) bond length is 1.34 Å. The C(13)-N(8) bond length is 1.34 Å. In the sixth C site, C(15) is bonded in a distorted single-bond geometry to one C(16) and one H(10,11) atom. The C(15)-C(16) bond length is 1.39 Å. The C(15)-H(10,11) bond length is 0.95 Å. In the seventh C site, C(16) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(17) atom. The C(16)-C(17) bond length is 1.38 Å. In the eighth C site, C(17) is bonded in a distorted single-bond geometry to one C(16) and one H(10,11) atom. The C(17)-H(10,11) bond length is 0.95 Å. There are four inequivalent N sites. In the first N site, N(5) is bonded in a distorted bent 120 degrees geometry to one C(13) and one N(6) atom. The N(5)-N(6) bond length is 1.32 Å. In the second N site, N(6) is bonded in a distorted single-bond geometry to one C(12) and one N(5) atom. In the third N site, N(7) is bonded in a distorted bent 120 degrees geometry to one C(12) and one N(8) atom. The N(7)-N(8) bond length is 1.32 Å. In the fourth N site, N(8) is bonded in a distorted bent 120 degrees geometry to one C(13) and one N(7) atom. There are three inequivalent H sites. In the first H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the second H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the third H site, H(10,11) is bonded in a single-bond geometry to one C(15) atom. Linkers: 4 c1cc(C2=N[N]C(c3ccncc3)=N[N]2)ccn1 ,8 c1cc(-c2nnc(-c3ccncc3)nn2)ccn1 ,4 [O]O[N]1(O[O])OOO1. Metal clusters: 8 [O]O[Cd]. The MOF has largest included sphere 4.85 A, density 1.27 g/cm3, surface area 4130.55 m2/g, accessible volume 0.41 cm3/g