CoC11N4H14 crystallizes in the tetragonal P4_122 space group. Co(1) is bonded in a tetrahedral geometry to two equivalent N(1) and two equivalent N(2) atoms. Both Co(1)-N(1) bond lengths are 1.96 Å. Both Co(1)-N(2) bond lengths are 1.98 Å. There are six inequivalent C sites. In the first C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(5) atom. The C(2)-C(1) bond length is 1.50 Å. The C(2)-C(3) bond length is 1.41 Å. The C(2)-C(5) bond length is 1.40 Å. In the second C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one C(5), one H(5), one H(6), and one H(7) atom. The C(6)-C(5) bond length is 1.49 Å. The C(6)-H(5) bond length is 1.10 Å. The C(6)-H(6) bond length is 1.09 Å. The C(6)-H(7) bond length is 1.10 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one N(1) atom. The C(3)-C(4) bond length is 1.49 Å. The C(3)-N(1) bond length is 1.36 Å. In the fourth C site, C(1) is bonded in a water-like geometry to two equivalent C(2) and two equivalent H(1) atoms. Both C(1)-H(1) bond lengths are 1.10 Å. In the fifth C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one C(3), one H(2), one H(3), and one H(4) atom. The C(4)-H(2) bond length is 1.10 Å. The C(4)-H(3) bond length is 1.10 Å. The C(4)-H(4) bond length is 1.10 Å. In the sixth C site, C(5) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one N(2) atom. The C(5)-N(2) bond length is 1.36 Å. There are two 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(2) atom. The N(1)-N(2) bond length is 1.37 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Co(1), one C(5), and one N(1) atom. There are seven 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(5) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(3) is bonded in a single-bond geometry to one C(4) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(4) is bonded in a single-bond geometry to one C(4) atom. Linkers: 4 C[C]1N=NC(C)=C1CC1=C(C)N=N[C]1C. Metal clusters: 4 [Co]. The MOF has largest included sphere 2.49 A, density 1.54 g/cm3, surface area 4197.19 m2/g, accessible volume 0.20 cm3/g