Co2C29H16O10 crystallizes in the orthorhombic Pnnm space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(5), two equivalent O(1), and two equivalent O(3) atoms to form corner-sharing CoO5 square pyramids. The Co(1)-O(5) bond length is 2.22 Å. Both Co(1)-O(1) bond lengths are 2.08 Å. Both Co(1)-O(3) bond lengths are 2.05 Å. In the second Co site, Co(2) is bonded to one O(5), two equivalent O(4), and two equivalent O(6) atoms to form a mixture of edge and corner-sharing CoO5 square pyramids. The Co(2)-O(5) bond length is 2.08 Å. Both Co(2)-O(4) bond lengths are 2.05 Å. Both Co(2)-O(6) bond lengths are 2.22 Å. There are fifteen inequivalent C sites. In the first C site, C(15) is bonded in a tetrahedral geometry to two equivalent C(12) and two equivalent C(5) atoms. Both C(15)-C(12) bond lengths are 1.54 Å. Both C(15)-C(5) bond lengths are 1.55 Å. In the second C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.25 Å. The C(1)-O(2) bond length is 1.24 Å. In the third C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-C(7) bond length is 1.39 Å. In the fourth C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.36 Å. The C(3)-H(1) bond length is 0.93 Å. In the fifth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(2) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(2) bond length is 0.93 Å. In the sixth C site, C(5) is bonded in a trigonal planar geometry to one C(15), one C(4), and one C(6) atom. The C(5)-C(6) bond length is 1.37 Å. In the seventh C site, C(6) is bonded in a distorted single-bond geometry to one C(5), one C(7), and one H(3) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-H(3) bond length is 0.93 Å. In the eighth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(2), one C(6), and one H(4) atom. The C(7)-H(4) bond length is 0.93 Å. In the ninth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(3), and one O(4) atom. The C(8)-C(9) bond length is 1.51 Å. The C(8)-O(3) bond length is 1.24 Å. The C(8)-O(4) bond length is 1.26 Å. In the tenth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(14), and one C(8) atom. The C(9)-C(10) bond length is 1.35 Å. The C(9)-C(14) bond length is 1.38 Å. In the eleventh C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one C(9), and one H(5) atom. The C(10)-C(11) bond length is 1.36 Å. The C(10)-H(5) bond length is 0.93 Å. In the twelfth C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(12), and one H(6) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-H(6) bond length is 0.93 Å. In the thirteenth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(15) atom. The C(12)-C(13) bond length is 1.40 Å. In the fourteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(14), and one H(7) atom. The C(13)-C(14) bond length is 1.39 Å. The C(13)-H(7) bond length is 0.93 Å. In the fifteenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(13), one C(9), and one H(8) atom. The C(14)-H(8) bond length is 0.93 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(13) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(14) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(1) atom. In the third O site, O(3) is bonded in a distorted 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 bent 120 degrees geometry to one Co(2) and one C(8) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Co(1) and one Co(2) atom. In the sixth O site, O(6) is bonded in a water-like geometry to two equivalent Co(2) atoms. Linkers: 5 [O]C(=O)c1ccc(C(c2ccc(C([O])=O)cc2)(c2ccc(C([O])=O)cc2)c2ccc(C([O])=O)cc2)cc1. Metal clusters: 2 O=[C]O[Co]12(O[C]=O)O[C]O[Co]3(O[C]O1)(O2)O[Co]12(O[C]O[Co](O[C]=O)(O[C]=O)(O[C]O1)O2)O3. RCSR code: flu. The MOF has largest included sphere 10.13 A, density 0.64 g/cm3, surface area 4195.26 m2/g, accessible volume 1.19 cm3/g