Co6C24N13H15O12 crystallizes in the cubic P2_13 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one N(2), one N(4), one O(1), one O(3), and one O(4) atom to form corner-sharing CoN2O3 trigonal bipyramids. The corner-sharing octahedral tilt angles are 71°. The Co(1)-N(2) bond length is 2.04 Å. The Co(1)-N(4) bond length is 2.02 Å. The Co(1)-O(1) bond length is 2.00 Å. The Co(1)-O(3) bond length is 2.00 Å. The Co(1)-O(4) bond length is 2.26 Å. In the second Co site, Co(2) is bonded in a tetrahedral geometry to one N(5) and three equivalent N(3) atoms. The Co(2)-N(5) bond length is 1.97 Å. All Co(2)-N(3) bond lengths are 2.00 Å. In the third Co site, Co(3) is bonded to three equivalent O(2) and three equivalent O(4) atoms to form corner-sharing CoO6 octahedra. All Co(3)-O(2) bond lengths are 2.09 Å. All Co(3)-O(4) bond lengths are 2.04 Å. In the fourth Co site, Co(4) is bonded in a 6-coordinate geometry to three equivalent N(1) and three equivalent O(2) atoms. All Co(4)-N(1) bond lengths are 2.06 Å. All Co(4)-O(2) bond lengths are 2.26 Å. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one N(2), and one H(1) atom. The C(1)-C(3) bond length is 1.36 Å. The C(1)-N(2) bond length is 1.34 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(2) atom. The C(2)-N(1) bond length is 1.29 Å. The C(2)-N(2) bond length is 1.35 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(1), one C(4), and one N(1) atom. The C(3)-C(4) bond length is 1.45 Å. The C(3)-N(1) bond length is 1.38 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(4)-O(1) bond length is 1.24 Å. The C(4)-O(2) bond length is 1.31 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(7), one N(3), and one H(3) atom. The C(5)-C(7) bond length is 1.38 Å. The C(5)-N(3) bond length is 1.35 Å. The C(5)-H(3) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(4) atom. The C(6)-N(3) bond length is 1.34 Å. The C(6)-N(4) bond length is 1.32 Å. The C(6)-H(4) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(5), one C(8), and one N(4) atom. The C(7)-C(8) bond length is 1.43 Å. The C(7)-N(4) bond length is 1.40 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.24 Å. The C(8)-O(4) bond length is 1.29 Å. There are five inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Co(4), one C(2), and one C(3) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(1), one C(1), and one C(2) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Co(2), one C(5), and one C(6) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Co(1), one C(6), and one C(7) atom. In the fifth N site, N(5) is bonded in a trigonal non-coplanar geometry to one Co(2) and three equivalent H(5) atoms. All N(5)-H(5) bond lengths are 0.89 Å. There are five 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(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(5) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Co(1) and one C(4) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Co(3), one Co(4), and one C(4) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Co(1) and one C(8) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(3), and one C(8) atom. Linkers: 12 [O]C(=O)C1=CN=C[N]1 ,9 [O]C(=O)[C]1C=NC=N1. Metal clusters: 24 [Co]. The MOF has largest included sphere 7.01 A, density 1.29 g/cm3, surface area 3051.07 m2/g, accessible volume 0.41 cm3/g