ZnH8(C2N)4(C3H3N2)4 is Indium-derived structured and crystallizes in the trigonal P3_121 space group. The structure is zero-dimensional and consists of three C3H3N2 clusters and three ZnH8(C2N)4 clusters. In each C3H3N2 cluster, there are six inequivalent C sites. In the first C site, C(4) is bonded in a distorted bent 120 degrees geometry to one N(1) and one N(3) atom. The C(4)-N(1) bond length is 1.33 Å. The C(4)-N(3) bond length is 1.41 Å. In the second C site, C(5) is bonded in a tetrahedral geometry to one N(3); one H(3); and two equivalent H(4,5) atoms. The C(5)-N(3) bond length is 1.44 Å. The C(5)-H(3) bond length is 0.96 Å. Both C(5)-H(4,5) bond lengths are 0.96 Å. In the third C site, C(6) is bonded in a distorted bent 120 degrees geometry to one N(3) and one N(4) atom. The C(6)-N(3) bond length is 1.39 Å. The C(6)-N(4) bond length is 1.34 Å. In the fourth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one N(4) and one N(6) atom. The C(9)-N(4) bond length is 1.33 Å. The C(9)-N(6) bond length is 1.39 Å. In the fifth C site, C(10) is bonded in a tetrahedral geometry to one N(6); one H(8); and two equivalent H(9,10) atoms. The C(10)-N(6) bond length is 1.47 Å. The C(10)-H(8) bond length is 0.96 Å. Both C(10)-H(9,10) bond lengths are 0.96 Å. In the sixth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(1) and one N(6) atom. The C(1)-N(1) bond length is 1.34 Å. The C(1)-N(6) bond length is 1.41 Å. There are four inequivalent N sites. In the first N site, N(6) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(9) atom. In the second N site, N(1) is bonded in a bent 120 degrees geometry to one C(1) and one C(4) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(4), one C(5), and one C(6) atom. In the fourth N site, N(4) is bonded in a bent 120 degrees geometry to one C(6) and one C(9) atom. There are four inequivalent H sites. In the first H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(4,5) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(8) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(9,10) is bonded in a single-bond geometry to one C(10) atom. In each ZnH8(C2N)4 cluster, Zn(1) is bonded in a rectangular see-saw-like geometry to two equivalent N(2) and two equivalent N(5) atoms. Both Zn(1)-N(2) bond lengths are 2.25 Å. Both Zn(1)-N(5) bond lengths are 2.12 Å. There are four inequivalent C sites. In the first C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(1) atom. The C(2)-N(2) bond length is 1.33 Å. The C(2)-H(1) bond length is 0.93 Å. In the second C site, C(3) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(2) atom. The C(3)-N(2) bond length is 1.36 Å. The C(3)-H(2) bond length is 0.93 Å. In the third C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(5) and one H(6) atom. The C(7)-N(5) bond length is 1.34 Å. The C(7)-H(6) bond length is 0.93 Å. In the fourth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one N(5) and one H(7) atom. The C(8)-N(5) bond length is 1.33 Å. The C(8)-H(7) bond length is 0.93 Å. There are two inequivalent N sites. In the first N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(2), and one C(3) atom. In the second N site, N(5) is bonded in a trigonal planar geometry to one Zn(1), one C(7), and one C(8) atom. There are four 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(3) atom. In the third H site, H(6) 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. Linkers: 4 CN1c2cncc(n2)N(C)c2cncc(n2)N(C)c2cncc(n2)N(C)c2cncc1n2. Metal clusters: 3 [Zn]. The MOF has largest included sphere 5.49 A, density 0.93 g/cm3, surface area 4410.36 m2/g, accessible volume 0.60 cm3/g