Co7H28(C2O)30(CH)12 crystallizes in the orthorhombic Pbca space group. The structure consists of forty-eight 02329_fluka molecules inside a Co7H28(C2O)30 framework. In the Co7H28(C2O)30 framework, there are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(13), one O(2), and one O(7) atom to form corner-sharing CoO4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-76°. The Co(1)-O(10) bond length is 1.94 Å. The Co(1)-O(13) bond length is 1.93 Å. The Co(1)-O(2) bond length is 1.95 Å. The Co(1)-O(7) bond length is 1.98 Å. In the second Co site, Co(2) is bonded to one O(1), one O(11), one O(13), one O(14), one O(6), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(1)O4 tetrahedra,  a cornercorner with one Co(3)O4 tetrahedra, and  an edgeedge with one Co(4)O6 octahedra. The Co(2)-O(1) bond length is 2.14 Å. The Co(2)-O(11) bond length is 2.07 Å. The Co(2)-O(13) bond length is 2.15 Å. The Co(2)-O(14) bond length is 2.07 Å. The Co(2)-O(6) bond length is 2.09 Å. The Co(2)-O(8) bond length is 2.08 Å. In the third Co site, Co(3) is bonded to one O(12), one O(14), one O(3), and one O(9) atom to form distorted corner-sharing CoO4 tetrahedra. The corner-sharing octahedral tilt angles range from 57-65°. The Co(3)-O(12) bond length is 1.97 Å. The Co(3)-O(14) bond length is 1.96 Å. The Co(3)-O(3) bond length is 1.96 Å. The Co(3)-O(9) bond length is 1.98 Å. In the fourth Co site, Co(4) is bonded to two equivalent O(13), two equivalent O(14), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with two equivalent Co(1)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, and edges with two equivalent Co(2)O6 octahedra. Both Co(4)-O(13) bond lengths are 2.08 Å. Both Co(4)-O(14) bond lengths are 2.06 Å. Both Co(4)-O(5) bond lengths are 2.07 Å. There are thirty inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(1)-C(3) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.25 Å. The C(1)-O(2) bond length is 1.26 Å. In the second C site, C(2) is bonded in a 4-coordinate geometry to one C(6), one O(15), one O(3), and one O(4) atom. The C(2)-C(6) bond length is 1.53 Å. The C(2)-O(15) bond length is 1.33 Å. The C(2)-O(3) bond length is 1.16 Å. The C(2)-O(4) bond length is 1.26 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(12), and one C(4) atom. The C(3)-C(12) bond length is 1.43 Å. The C(3)-C(4) bond length is 1.36 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(1) atom. The C(4)-H(1) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(6) and one H(2) atom. The C(5)-C(6) bond length is 1.36 Å. The C(5)-H(2) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(7) atom. The C(6)-C(7) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(12), one C(6), and one C(8) atom. The C(7)-C(12) bond length is 1.42 Å. The C(7)-C(8) bond length is 1.45 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one H(3) atom. The C(8)-H(3) bond length is 0.93 Å. In the ninth C site, C(11) is bonded in a distorted single-bond geometry to one C(12) and one H(6) atom. The C(11)-C(12) bond length is 1.42 Å. The C(11)-H(6) bond length is 0.93 Å. In the tenth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(3), and one C(7) atom. In the eleventh C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(15), one O(5), and one O(6) atom. The C(13)-C(15) bond length is 1.51 Å. The C(13)-O(5) bond length is 1.25 Å. The C(13)-O(6) bond length is 1.25 Å. In the twelfth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(7), and one O(8) atom. The C(14)-C(18) bond length is 1.50 Å. The C(14)-O(7) bond length is 1.26 Å. The C(14)-O(8) bond length is 1.25 Å. In the thirteenth C site, C(15) is bonded in a trigonal planar geometry to one C(13), one C(16), and one C(24) atom. The C(15)-C(16) bond length is 1.36 Å. The C(15)-C(24) bond length is 1.42 Å. In the fourteenth C site, C(16) is bonded in a single-bond geometry to one C(15) and one H(7) atom. The C(16)-H(7) bond length is 0.93 Å. In the fifteenth C site, C(17) is bonded in a distorted single-bond geometry to one C(18) and one H(8) atom. The C(17)-C(18) bond length is 1.35 Å. The C(17)-H(8) bond length is 0.93 Å. In the sixteenth C site, C(18) is bonded in a trigonal planar geometry to one C(14), one C(17), and one C(19) atom. The C(18)-C(19) bond length is 1.43 Å. In the seventeenth C site, C(19) is bonded in a trigonal planar geometry to one C(18), one C(20), and one C(24) atom. The C(19)-C(20) bond length is 1.41 Å. The C(19)-C(24) bond length is 1.43 Å. In the eighteenth C site, C(20) is bonded in a distorted single-bond geometry to one C(19) and one H(9) atom. The C(20)-H(9) bond length is 0.93 Å. In the nineteenth C site, C(23) is bonded in a distorted single-bond geometry to one C(24) and one H(12) atom. The C(23)-C(24) bond length is 1.43 Å. The C(23)-H(12) bond length is 0.93 Å. In the twentieth C site, C(24) is bonded in a trigonal planar geometry to one C(15), one C(19), and one C(23) atom. In the twenty-first C site, C(25) is bonded in a bent 120 degrees geometry to one C(27), one O(10), and one O(9) atom. The C(25)-C(27) bond length is 1.50 Å. The C(25)-O(10) bond length is 1.26 Å. The C(25)-O(9) bond length is 1.25 Å. In the twenty-second C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(30), one O(11), and one O(12) atom. The C(26)-C(30) bond length is 1.50 Å. The C(26)-O(11) bond length is 1.24 Å. The C(26)-O(12) bond length is 1.27 Å. In the twenty-third C site, C(27) is bonded in a trigonal planar geometry to one C(25), one C(28), and one C(36) atom. The C(27)-C(28) bond length is 1.36 Å. The C(27)-C(36) bond length is 1.43 Å. In the twenty-fourth C site, C(28) is bonded in a distorted single-bond geometry to one C(27) and one H(13) atom. The C(28)-H(13) bond length is 0.93 Å. In the twenty-fifth C site, C(29) is bonded in a distorted single-bond geometry to one C(30) and one H(14) atom. The C(29)-C(30) bond length is 1.36 Å. The C(29)-H(14) bond length is 0.93 Å. In the twenty-sixth C site, C(30) is bonded in a trigonal planar geometry to one C(26), one C(29), and one C(31) atom. The C(30)-C(31) bond length is 1.43 Å. In the twenty-seventh C site, C(31) is bonded in a trigonal planar geometry to one C(30), one C(32), and one C(36) atom. The C(31)-C(32) bond length is 1.41 Å. The C(31)-C(36) bond length is 1.44 Å. In the twenty-eighth C site, C(32) is bonded in a single-bond geometry to one C(31) and one H(15) atom. The C(32)-H(15) bond length is 0.93 Å. In the twenty-ninth C site, C(35) is bonded in a single-bond geometry to one C(36) and one H(18) atom. The C(35)-C(36) bond length is 1.41 Å. The C(35)-H(18) bond length is 0.93 Å. In the thirtieth C site, C(36) is bonded in a trigonal planar geometry to one C(27), one C(31), and one C(35) atom. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(8) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(16) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(17) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(20) atom. In the eighth H site, H(12) is bonded in a single-bond geometry to one C(23) atom. In the ninth H site, H(13) is bonded in a single-bond geometry to one C(28) atom. In the tenth H site, H(14) is bonded in a single-bond geometry to one C(29) atom. In the eleventh H site, H(15) is bonded in a single-bond geometry to one C(32) atom. In the twelfth H site, H(18) is bonded in a single-bond geometry to one C(35) atom. In the thirteenth H site, H(19) is bonded in a single-bond geometry to one O(13) atom. The H(19)-O(13) bond length is 0.98 Å. In the fourteenth H site, H(20) is bonded in a single-bond geometry to one O(14) atom. The H(20)-O(14) bond length is 0.98 Å. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(1) and one C(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Co(3) and one C(2) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one C(2) and one O(15) atom. The O(4)-O(15) bond length is 0.73 Å. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Co(4) and one C(13) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Co(2) and one C(13) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Co(1) and one C(14) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Co(2) and one C(14) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one C(25) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(1) and one C(25) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one C(26) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Co(3) and one C(26) atom. In the thirteenth O site, O(13) is bonded in a distorted single-bond geometry to one Co(1), one Co(2), one Co(4), and one H(19) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one Co(2), one Co(3), one Co(4), and one H(20) atom. In the fifteenth O site, O(15) is bonded in a 2-coordinate geometry to one C(2) and one O(4) atom. Linkers: 16 [O]C(=O)c1ccc(C([O])=O)c2ccccc12 ,8 [O]C(=O)c1cc[c]c2ccccc12.[O][C]O[O]. Metal clusters: 4 [O][Co]1(O)O[C]O[Co@]2(O)O[C]O[Co@@]3(O[C]O[Co]O[C]O[Co@@]4(O[C]O1)O[C]O[Co@](O)(O[C]O[Co]([O])(O)O[C]O3)O[C]O4)O[C]O2. RCSR code: bcu. The MOF has largest included sphere 5.56 A, density 1.43 g/cm3, surface area 3676.29 m2/g, accessible volume 0.30 cm3/g