CoH28(C7N2)4 is Indium-like structured and crystallizes in the orthorhombic Pbcn space group. The structure is zero-dimensional and consists of four CoH28(C7N2)4 clusters. Co(1) is bonded in a square co-planar geometry to two equivalent N(1) and two equivalent N(3) atoms. Both Co(1)-N(1) bond lengths are 2.08 Å. Both Co(1)-N(3) bond lengths are 2.11 Å. There are fourteen inequivalent C sites. In the first C site, C(14) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(14) atom. The C(14)-N(1) bond length is 1.36 Å. The C(14)-H(14) bond length is 0.93 Å. In the second C site, C(13) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(13) atom. The C(13)-N(2) bond length is 1.41 Å. The C(13)-H(13) bond length is 0.93 Å. In the third C site, C(1) is bonded in a distorted single-bond geometry to one C(8) and one H(1) atom. The C(1)-C(8) bond length is 1.34 Å. The C(1)-H(1) bond length is 0.93 Å. In the fourth C site, C(2) is bonded in a trigonal planar geometry to one C(10), one C(5), and one C(7) atom. The C(2)-C(10) bond length is 1.39 Å. The C(2)-C(5) bond length is 1.36 Å. The C(2)-C(7) bond length is 1.51 Å. In the fifth C site, C(3) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(2) atom. The C(3)-N(4) bond length is 1.37 Å. The C(3)-H(2) bond length is 0.93 Å. In the sixth C site, C(4) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(3) atom. The C(4)-N(3) bond length is 1.32 Å. The C(4)-N(4) bond length is 1.35 Å. The C(4)-H(3) bond length is 0.93 Å. In the seventh C site, C(5) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(5)-H(4) bond length is 0.93 Å. In the eighth C site, C(6) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(5) atom. The C(6)-N(1) bond length is 1.34 Å. The C(6)-N(2) bond length is 1.36 Å. The C(6)-H(5) bond length is 0.93 Å. In the ninth C site, C(7) is bonded in a 3-coordinate geometry to one C(2); one N(4); and two equivalent H(6,7) atoms. The C(7)-N(4) bond length is 1.46 Å. Both C(7)-H(6,7) bond lengths are 0.97 Å. In the tenth C site, C(8) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(12) atom. The C(8)-C(11) bond length is 1.40 Å. The C(8)-C(12) bond length is 1.52 Å. In the eleventh C site, C(9) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(8) atom. The C(9)-N(3) bond length is 1.36 Å. The C(9)-H(8) bond length is 0.93 Å. In the twelfth C site, C(10) is bonded in a distorted single-bond geometry to one C(2) and one H(9) atom. The C(10)-H(9) bond length is 0.93 Å. In the thirteenth C site, C(11) is bonded in a distorted single-bond geometry to one C(8) and one H(10) atom. The C(11)-H(10) bond length is 0.93 Å. In the fourteenth C site, C(12) is bonded in a 3-coordinate geometry to one C(8), one N(2), one H(11), and one H(12) atom. The C(12)-N(2) bond length is 1.46 Å. The C(12)-H(11) bond length is 0.97 Å. The C(12)-H(12) bond length is 0.97 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(1), one C(14), and one C(6) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(12), one C(13), and one C(6) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Co(1), one C(4), and one C(9) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(7) atom. There are thirteen 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(2) is bonded in a single-bond geometry to one C(3) 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(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6,7) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(10) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(12) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(12) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(13) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(14) atom. Linkers: 3 c1cn(Cc2ccc(Cn3ccnc3)cc2)cn1. Metal clusters: 2 [Co]. The MOF has largest included sphere 8.61 A, density 0.44 g/cm3, surface area 5553.41 m2/g, accessible volume 1.73 cm3/g