Mn2C26N8H16O9(CH)2 crystallizes in the monoclinic C2/c space group. The structure consists of eight 02329_fluka molecules inside a Mn2C26N8H16O9 framework. In the Mn2C26N8H16O9 framework, Mn(1) is bonded to one N(2), one N(4), one O(1), one O(2), one O(3), and one O(5) atom to form corner-sharing MnN2O4 octahedra. The corner-sharing octahedral tilt angles are 65°. The Mn(1)-N(2) bond length is 2.19 Å. The Mn(1)-N(4) bond length is 2.24 Å. The Mn(1)-O(1) bond length is 2.17 Å. The Mn(1)-O(2) bond length is 2.13 Å. The Mn(1)-O(3) bond length is 2.21 Å. The Mn(1)-O(5) bond length is 2.23 Å. There are thirteen inequivalent C sites. In the first C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(13)-C(3) bond length is 1.51 Å. The C(13)-O(3) bond length is 1.27 Å. The C(13)-O(4) bond length is 1.27 Å. In the second C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(14)-C(1) bond length is 1.51 Å. The C(14)-O(1) bond length is 1.27 Å. The C(14)-O(2) bond length is 1.27 Å. In the third C site, C(1) is bonded in a trigonal planar geometry to one C(14), one C(2), and one C(6) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-C(6) bond length is 1.40 Å. In the fourth C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(2) bond length is 1.09 Å. In the fifth C site, C(3) is bonded in a trigonal planar geometry to one C(13), one C(2), and one C(4) atom. The C(3)-C(4) bond length is 1.41 Å. In the sixth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one N(3) atom. The C(4)-N(3) bond length is 1.42 Å. In the seventh C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one N(1) atom. The C(6)-N(1) bond length is 1.42 Å. In the eighth C site, C(7) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(4) atom. The C(7)-N(1) bond length is 1.36 Å. The C(7)-N(2) bond length is 1.33 Å. The C(7)-H(4) bond length is 1.08 Å. In the ninth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(2), and one H(5) atom. The C(8)-C(9) bond length is 1.37 Å. The C(8)-N(2) bond length is 1.38 Å. The C(8)-H(5) bond length is 1.08 Å. In the tenth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(8), one N(1), and one H(6) atom. The C(9)-N(1) bond length is 1.39 Å. The C(9)-H(6) bond length is 1.08 Å. In the eleventh C site, C(10) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(7) atom. The C(10)-N(3) bond length is 1.37 Å. The C(10)-N(4) bond length is 1.33 Å. The C(10)-H(7) bond length is 1.09 Å. In the twelfth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(12), one N(4), and one H(8) atom. The C(11)-C(12) bond length is 1.37 Å. The C(11)-N(4) bond length is 1.38 Å. The C(11)-H(8) bond length is 1.08 Å. In the thirteenth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11), one N(3), and one H(9) atom. The C(12)-N(3) bond length is 1.39 Å. The C(12)-H(9) bond length is 1.08 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(6), one C(7), and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Mn(1), one C(7), and one C(8) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(4) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Mn(1), one C(10), and one C(11) atom. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted linear geometry to one O(4) and one O(5) atom. The H(1)-O(4) bond length is 1.58 Å. The H(1)-O(5) bond length is 1.02 Å. 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(4) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(12) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one C(14) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(14) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(13) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one C(13) and one H(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to two equivalent Mn(1) and two equivalent H(1) atoms. Linkers: 4 [O]C(=O)c1cc(C([O])=O)c(-n2ccnc2)cc1-n1ccnc1. Metal clusters: 2 O.O=[C]O[Mn]1O[C]O[Mn](O[C]=O)O[C]O1. The MOF has largest included sphere 4.56 A, density 1.34 g/cm3, surface area 3965.31 m2/g, accessible volume 0.33 cm3/g