CoC8H12(N8Cl)2(H3(CN2)2)2 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two 1-methyltetrazole molecules and one CoC8H12(N8Cl)2 cluster. In the CoC8H12(N8Cl)2 cluster, Co(1) is bonded in a distorted octahedral geometry to two equivalent N(1), two equivalent N(6), and two equivalent Cl(1) atoms. Both Co(1)-N(1) bond lengths are 1.92 Å. Both Co(1)-N(6) bond lengths are 1.94 Å. Both Co(1)-Cl(1) bond lengths are 2.59 Å. There are four inequivalent C sites. In the first C site, C(2) is bonded in a trigonal planar geometry to one N(4), one N(6), and one H(2) atom. The C(2)-N(4) bond length is 1.34 Å. The C(2)-N(6) bond length is 1.33 Å. The C(2)-H(2) bond length is 1.09 Å. In the second C site, C(3) is bonded in a trigonal planar geometry to one N(1), one N(8), and one H(6) atom. The C(3)-N(1) bond length is 1.34 Å. The C(3)-N(8) bond length is 1.34 Å. The C(3)-H(6) bond length is 1.09 Å. In the third C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one N(4), one H(1), and one H(3) atom. The C(4)-N(4) bond length is 1.46 Å. The C(4)-H(1) bond length is 1.10 Å. The C(4)-H(3) bond length is 1.10 Å. In the fourth C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one N(8), one H(5), and one H(9) atom. The C(6)-N(8) bond length is 1.46 Å. The C(6)-H(5) bond length is 1.10 Å. The C(6)-H(9) bond length is 1.10 Å. There are eight inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Co(1), one C(3), and one N(7) atom. The N(1)-N(7) bond length is 1.36 Å. In the second N site, N(4) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one N(9) atom. The N(4)-N(9) bond length is 1.36 Å. In the third N site, N(5) is bonded in a water-like geometry to one N(7) and one N(8) atom. The N(5)-N(7) bond length is 1.30 Å. The N(5)-N(8) bond length is 1.36 Å. In the fourth N site, N(6) is bonded in a distorted trigonal planar geometry to one Co(1), one C(2), and one N(11) atom. The N(6)-N(11) bond length is 1.37 Å. In the fifth N site, N(7) is bonded in a water-like geometry to one N(1) and one N(5) atom. In the sixth N site, N(8) is bonded in a distorted trigonal planar geometry to one C(3), one C(6), and one N(5) atom. In the seventh N site, N(9) is bonded in a water-like geometry to one N(11) and one N(4) atom. The N(9)-N(11) bond length is 1.29 Å. In the eighth N site, N(11) is bonded in a water-like geometry to one N(6) and one N(9) atom. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(9) is bonded in a single-bond geometry to one C(6) atom. Cl(1) is bonded in a single-bond geometry to one Co(1) atom. Linkers: 1 c1nnnn1CCn1cnnn1. Metal clusters: 1 [Co]. The MOF has largest included sphere 1.73 A, density 1.87 g/cm3, surface area 4030.01 m2/g, accessible volume 0.11 cm3/g