KCoC9H9(NO4)2(CH)3 crystallizes in the monoclinic P2_1/c space group. The structure consists of twelve 02329_fluka molecules inside a KCoC9H9(NO4)2 framework. In the KCoC9H9(NO4)2 framework, K(1) is bonded in a 9-coordinate geometry to one H(1), one H(12), one O(2), one O(3), one O(8), two equivalent O(6), and two equivalent O(7) atoms. The K(1)-H(1) bond length is 2.79 Å. The K(1)-H(12) bond length is 3.01 Å. The K(1)-O(2) bond length is 3.06 Å. The K(1)-O(3) bond length is 2.97 Å. The K(1)-O(8) bond length is 2.80 Å. There is one shorter (2.66 Å) and one longer (2.88 Å) K(1)-O(6) bond length. There is one shorter (2.90 Å) and one longer (2.99 Å) K(1)-O(7) bond length. Co(1) is bonded in an octahedral geometry to one N(1), one N(2), one O(1), one O(2), one O(4), and one O(5) atom. The Co(1)-N(1) bond length is 1.91 Å. The Co(1)-N(2) bond length is 1.90 Å. The Co(1)-O(1) bond length is 1.93 Å. The Co(1)-O(2) bond length is 1.94 Å. The Co(1)-O(4) bond length is 1.94 Å. The Co(1)-O(5) bond length is 1.92 Å. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(5) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-H(5) bond length is 1.09 Å. In the second C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(8) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(8) bond length is 1.09 Å. In the third C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one N(1) atom. The C(5)-C(6) bond length is 1.46 Å. The C(5)-N(1) bond length is 1.36 Å. In the fourth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one N(2) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-N(2) bond length is 1.36 Å. In the fifth C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(9) atom. The C(7)-H(9) bond length is 1.09 Å. In the sixth C site, C(9) is bonded in a distorted single-bond geometry to one C(10) and one H(11) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-H(11) bond length is 1.09 Å. In the seventh C site, C(10) is bonded in a distorted trigonal planar geometry to one C(9), one N(2), and one H(12) atom. The C(10)-N(2) bond length is 1.34 Å. The C(10)-H(12) bond length is 1.09 Å. In the eighth C site, C(11) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. The C(11)-O(1) bond length is 1.34 Å. The C(11)-O(2) bond length is 1.32 Å. The C(11)-O(3) bond length is 1.25 Å. In the ninth C site, C(12) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. The C(12)-O(4) bond length is 1.33 Å. The C(12)-O(5) bond length is 1.32 Å. The C(12)-O(6) bond length is 1.25 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(1), one C(1), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(1), one C(10), and one C(6) atom. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one K(1) and one O(7) atom. The H(1)-O(7) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(7) atom. The H(2)-O(7) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(8) atom. The H(3)-O(8) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(8) atom. The H(4)-O(8) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(4) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(9) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one K(1) and one C(10) atom. There are eight inequivalent O sites. In the first O site, O(5) is bonded in an L-shaped geometry to one Co(1) and one C(12) atom. In the second O site, O(6) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(12) atom. In the third O site, O(7) is bonded in a water-like geometry to two equivalent K(1), one H(1), and one H(2) atom. In the fourth O site, O(8) is bonded in a water-like geometry to one K(1), one H(3), and one H(4) atom. In the fifth O site, O(1) is bonded in an L-shaped geometry to one Co(1) and one C(11) atom. In the sixth O site, O(2) is bonded in a distorted L-shaped geometry to one K(1), one Co(1), and one C(11) atom. In the seventh O site, O(3) is bonded in a single-bond geometry to one K(1) and one C(11) atom. In the eighth O site, O(4) is bonded in a distorted L-shaped geometry to one Co(1) and one C(12) atom. Linkers: 4 c1ccc(-c2ccccn2)nc1. Metal clusters: 4 [K] ,4 [Co]. The MOF has largest included sphere 1.99 A, density 1.90 g/cm3, surface area 2799.94 m2/g, accessible volume 0.06 cm3/g