CoC16N2H9O5(CH)2 crystallizes in the triclinic P-1 space group. The structure consists of eight 02329_fluka molecules inside a CoC16N2H9O5 framework. In the CoC16N2H9O5 framework, there are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a tetrahedral geometry to one N(2), one N(3), one O(1), and one O(7) atom. The Co(1)-N(2) bond length is 1.99 Å. The Co(1)-N(3) bond length is 1.98 Å. The Co(1)-O(1) bond length is 1.90 Å. The Co(1)-O(7) bond length is 1.92 Å. In the second Co site, Co(2) is bonded in a tetrahedral geometry to one N(1), one N(4), one O(2), and one O(8) atom. The Co(2)-N(1) bond length is 1.99 Å. The Co(2)-N(4) bond length is 1.99 Å. The Co(2)-O(2) bond length is 1.90 Å. The Co(2)-O(8) bond length is 1.92 Å. There are thirty-two inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one H(1) atom. The C(1)-C(3) bond length is 1.39 Å. The C(1)-N(1) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(4), one N(2), and one H(2) atom. The C(2)-C(4) bond length is 1.39 Å. The C(2)-N(2) bond length is 1.35 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(1), one C(27), and one H(3) atom. The C(3)-C(27) bond length is 1.39 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(2), one C(28), and one H(4) atom. The C(4)-C(28) bond length is 1.39 Å. The C(4)-H(4) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(1), and one O(9) atom. The C(5)-C(17) bond length is 1.50 Å. The C(5)-O(1) bond length is 1.31 Å. The C(5)-O(9) bond length is 1.25 Å. In the sixth C site, C(6) is bonded in a bent 120 degrees geometry to one C(18), one O(10), and one O(2) atom. The C(6)-C(18) bond length is 1.50 Å. The C(6)-O(10) bond length is 1.25 Å. The C(6)-O(2) bond length is 1.31 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(21) and one O(5) atom. The C(7)-C(21) bond length is 1.40 Å. The C(7)-O(5) bond length is 1.37 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(22) and one O(6) atom. The C(8)-C(22) bond length is 1.40 Å. The C(8)-O(6) bond length is 1.37 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(3), and one O(7) atom. The C(9)-C(11) bond length is 1.51 Å. The C(9)-O(3) bond length is 1.24 Å. The C(9)-O(7) bond length is 1.31 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(4), and one O(8) atom. The C(10)-C(12) bond length is 1.51 Å. The C(10)-O(4) bond length is 1.24 Å. The C(10)-O(8) bond length is 1.31 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(13), one C(17), and one C(9) atom. The C(11)-C(13) bond length is 1.40 Å. The C(11)-C(17) bond length is 1.41 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(10), one C(14), and one C(18) atom. The C(12)-C(14) bond length is 1.40 Å. The C(12)-C(18) bond length is 1.41 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(11) and one O(5) atom. The C(13)-O(5) bond length is 1.40 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(12) and one O(6) atom. The C(14)-O(6) bond length is 1.40 Å. In the fifteenth C site, C(17) is bonded in a trigonal planar geometry to one C(11), one C(19), and one C(5) atom. The C(17)-C(19) bond length is 1.40 Å. In the sixteenth C site, C(18) is bonded in a trigonal planar geometry to one C(12), one C(20), and one C(6) atom. The C(18)-C(20) bond length is 1.40 Å. In the seventeenth C site, C(19) is bonded in a distorted single-bond geometry to one C(17) and one H(7) atom. The C(19)-H(7) bond length is 1.09 Å. In the eighteenth C site, C(20) is bonded in a distorted single-bond geometry to one C(18) and one H(8) atom. The C(20)-H(8) bond length is 1.09 Å. In the nineteenth C site, C(21) is bonded in a distorted trigonal planar geometry to one C(7), one N(1), and one H(9) atom. The C(21)-N(1) bond length is 1.35 Å. The C(21)-H(9) bond length is 1.09 Å. In the twentieth C site, C(22) is bonded in a distorted trigonal planar geometry to one C(8), one N(2), and one H(10) atom. The C(22)-N(2) bond length is 1.35 Å. The C(22)-H(10) bond length is 1.09 Å. In the twenty-first C site, C(23) is bonded in a trigonal planar geometry to one C(23), one C(29), and one C(31) atom. The C(23)-C(23) bond length is 1.47 Å. The C(23)-C(29) bond length is 1.41 Å. The C(23)-C(31) bond length is 1.41 Å. In the twenty-second C site, C(24) is bonded in a trigonal planar geometry to one C(24), one C(30), and one C(32) atom. The C(24)-C(24) bond length is 1.47 Å. The C(24)-C(30) bond length is 1.41 Å. The C(24)-C(32) bond length is 1.41 Å. In the twenty-third C site, C(27) is bonded in a distorted single-bond geometry to one C(3) and one H(13) atom. The C(27)-H(13) bond length is 1.09 Å. In the twenty-fourth C site, C(28) is bonded in a distorted single-bond geometry to one C(4) and one H(14) atom. The C(28)-H(14) bond length is 1.09 Å. In the twenty-fifth C site, C(29) is bonded in a distorted single-bond geometry to one C(23), one C(35), and one H(15) atom. The C(29)-C(35) bond length is 1.39 Å. The C(29)-H(15) bond length is 1.09 Å. In the twenty-sixth C site, C(30) is bonded in a distorted single-bond geometry to one C(24), one C(36), and one H(16) atom. The C(30)-C(36) bond length is 1.39 Å. The C(30)-H(16) bond length is 1.09 Å. In the twenty-seventh C site, C(31) is bonded in a distorted single-bond geometry to one C(23), one C(33), and one H(17) atom. The C(31)-C(33) bond length is 1.38 Å. The C(31)-H(17) bond length is 1.09 Å. In the twenty-eighth C site, C(32) is bonded in a distorted single-bond geometry to one C(24), one C(34), and one H(18) atom. The C(32)-C(34) bond length is 1.38 Å. The C(32)-H(18) bond length is 1.09 Å. In the twenty-ninth C site, C(33) is bonded in a distorted trigonal planar geometry to one C(31); one N(3); and one H(19,20) atom. The C(33)-N(3) bond length is 1.35 Å. The C(33)-H(19,20) bond length is 1.09 Å. In the thirtieth C site, C(34) is bonded in a distorted trigonal planar geometry to one C(32); one N(4); and one H(19,20) atom. The C(34)-N(4) bond length is 1.35 Å. The C(34)-H(19,20) bond length is 1.09 Å. In the thirty-first C site, C(35) is bonded in a distorted trigonal planar geometry to one C(29), one N(3), and one H(21) atom. The C(35)-N(3) bond length is 1.35 Å. The C(35)-H(21) bond length is 1.09 Å. In the thirty-second C site, C(36) is bonded in a distorted trigonal planar geometry to one C(30), one N(4), and one H(22) atom. The C(36)-N(4) bond length is 1.35 Å. The C(36)-H(22) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(2), one C(1), and one C(21) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(1), one C(2), and one C(22) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Co(1), one C(33), and one C(35) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Co(2), one C(34), and one C(36) atom. There are seventeen 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(3) 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(7) is bonded in a single-bond geometry to one C(19) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(20) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(21) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(22) atom. In the ninth H site, H(13) is bonded in a single-bond geometry to one C(27) atom. In the tenth H site, H(14) is bonded in a single-bond geometry to one C(28) atom. In the eleventh H site, H(15) is bonded in a single-bond geometry to one C(29) atom. In the twelfth H site, H(16) is bonded in a single-bond geometry to one C(30) atom. In the thirteenth H site, H(17) is bonded in a single-bond geometry to one C(31) atom. In the fourteenth H site, H(18) is bonded in a single-bond geometry to one C(32) atom. In the fifteenth H site, H(19,20) is bonded in a single-bond geometry to one C(33) atom. In the sixteenth H site, H(21) is bonded in a single-bond geometry to one C(35) atom. In the seventeenth H site, H(22) is bonded in a single-bond geometry to one C(36) atom. There are ten 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(5) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(2) and one C(6) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(9) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(10) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one C(13) and one C(7) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one C(14) and one C(8) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Co(1) and one C(9) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(2) and one C(10) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one C(5) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one C(6) atom. Linkers: 4 [O]C(=O)c1cccc(Oc2cccnc2)c1C([O])=O ,2 c1cc(-c2ccncc2)ccn1. Metal clusters: 4 O=[C]O[Co]O[C]=O. The MOF has largest included sphere 3.80 A, density 1.60 g/cm3, surface area 3883.79 m2/g, accessible volume 0.12 cm3/g