CoC12H14O5 crystallizes in the tetragonal P-42_1c space group. Co(1) is bonded in a square co-planar geometry to one O(1), one O(3), and two equivalent O(5) atoms. The Co(1)-O(1) bond length is 2.09 Å. The Co(1)-O(3) bond length is 2.09 Å. Both Co(1)-O(5) bond lengths are 2.19 Å. There are twelve inequivalent C sites. In the first C site, C(9) is bonded in a tetrahedral geometry to one C(10), one C(11), one C(12), and one C(5) atom. The C(9)-C(10) bond length is 1.53 Å. The C(9)-C(11) bond length is 1.52 Å. The C(9)-C(12) bond length is 1.52 Å. The C(9)-C(5) bond length is 1.53 Å. In the second C site, C(10) is bonded in a trigonal non-coplanar geometry to one C(9); one H(8); and two equivalent H(6,7,12,13,14) atoms. The C(10)-H(8) bond length is 0.96 Å. Both C(10)-H(6,7,12,13,14) bond lengths are 0.96 Å. In the third C site, C(11) is bonded in a trigonal non-coplanar geometry to one C(9) and three equivalent H(9,10,11) atoms. All C(11)-H(9,10,11) bond lengths are 0.96 Å. In the fourth C site, C(12) is bonded in a trigonal non-coplanar geometry to one C(9) and three equivalent H(6,7,12,13,14) atoms. All C(12)-H(6,7,12,13,14) bond lengths are 0.96 Å. In the fifth C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-C(7) bond length is 1.50 Å. In the sixth C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(3) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(3) bond length is 0.93 Å. In the seventh C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(8) bond length is 1.50 Å. In the eighth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(4) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(4) bond length is 0.93 Å. In the ninth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(9) atom. The C(5)-C(6) bond length is 1.41 Å. In the tenth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(5) atom. The C(6)-H(5) bond length is 0.93 Å. In the eleventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.28 Å. The C(7)-O(2) bond length is 1.25 Å. In the twelfth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.27 Å. The C(8)-O(4) bond length is 1.24 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) and one O(5) atom. The H(1)-O(2) bond length is 1.67 Å. The H(1)-O(5) bond length is 0.97 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(4) and one O(5) atom. The H(2)-O(4) bond length is 1.67 Å. The H(2)-O(5) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) 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(6,7,12,13,14) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(10) atom. In the eighth H site, H(9,10,11) is bonded in a single-bond geometry to one C(11) atom. There are five 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(7) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one C(7) and one H(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(1) and one C(8) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one C(8) and one H(2) atom. In the fifth O site, O(5) is bonded in a water-like geometry to two equivalent Co(1), one H(1), and one H(2) atom. Linkers: 8 CC(C)(C)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 8 [Co]. The MOF has largest included sphere 9.13 A, density 1.00 g/cm3, surface area 4963.68 m2/g, accessible volume 0.49 cm3/g