KC12NH7O5(CH)2CH3 crystallizes in the orthorhombic P2_12_12_1 space group. The structure consists of eight 02329_fluka molecules and four 02329_fluka molecules inside a KC12NH7O5 framework. In the KC12NH7O5 framework, K(1) is bonded in a 7-coordinate geometry to one H(1), one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms. The K(1)-H(1) bond length is 2.92 Å. The K(1)-O(1) bond length is 2.66 Å. The K(1)-O(2) bond length is 2.64 Å. The K(1)-O(4) bond length is 2.91 Å. The K(1)-O(5) bond length is 2.68 Å. There is one shorter (2.72 Å) and one longer (2.83 Å) K(1)-O(3) bond length. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(1), and one O(1) atom. The C(1)-C(2) bond length is 1.47 Å. The C(1)-N(1) bond length is 1.40 Å. The C(1)-O(1) bond length is 1.24 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(6) atom. The C(2)-C(3) bond length is 1.42 Å. The C(2)-C(6) bond length is 1.39 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(9) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-C(9) bond length is 1.43 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(12), one C(3), and one C(5) atom. The C(4)-C(12) bond length is 1.39 Å. The C(4)-C(5) bond length is 1.47 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(4), one N(1), and one O(2) atom. The C(5)-N(1) bond length is 1.40 Å. The C(5)-O(2) bond length is 1.24 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(6)-H(1) bond length is 1.09 Å. In the seventh C site, C(8) is bonded in a distorted single-bond geometry to one C(9) and one H(3) atom. The C(8)-C(9) bond length is 1.42 Å. The C(8)-H(3) bond length is 1.09 Å. In the eighth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(3), and one C(8) atom. The C(9)-C(10) bond length is 1.42 Å. In the ninth C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one H(4) atom. The C(10)-H(4) bond length is 1.09 Å. In the tenth C site, C(12) is bonded in a distorted single-bond geometry to one C(4) and one H(6) atom. The C(12)-H(6) bond length is 1.09 Å. In the eleventh C site, C(13) is bonded in a distorted water-like geometry to one N(1) and one H(7) atom. The C(13)-N(1) bond length is 1.48 Å. The C(13)-H(7) bond length is 1.10 Å. In the twelfth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(15)-O(3) bond length is 1.28 Å. The C(15)-O(4) bond length is 1.27 Å. N(1) is bonded in a trigonal planar geometry to one C(1), one C(13), and one C(5) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one K(1) and one C(6) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(8) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(11) is bonded in a distorted single-bond geometry to one O(5) atom. The H(11)-O(5) bond length is 0.99 Å. In the seventh H site, H(12) is bonded in a single-bond geometry to one O(5) atom. The H(12)-O(5) bond length is 0.98 Å. There are five inequivalent O sites. In the first O site, O(4) is bonded in a single-bond geometry to one K(1) and one C(15) atom. In the second O site, O(5) is bonded in a water-like geometry to one K(1), one H(11), and one H(12) atom. In the third O site, O(1) is bonded in a distorted bent 150 degrees geometry to one K(1) and one C(1) atom. In the fourth O site, O(2) is bonded in a distorted single-bond geometry to one K(1) and one C(5) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(15) atom. Linkers: 4 C[C@@H](C([O])=O)N1C(=O)c2cccc3cccc(c23)C1=O. Metal clusters: 4 [K]. RCSR code: utp. The MOF has largest included sphere 1.67 A, density 1.56 g/cm3, surface area 3967.69 m2/g, accessible volume 0.07 cm3/g