NaMnC8H2(NO2)2(CH)2(CH3)4 crystallizes in the tetragonal P4_1 space group. The structure consists of eight 02329_fluka molecules and sixteen 02329_fluka molecules inside a NaMnC8H2(NO2)2 framework. In the NaMnC8H2(NO2)2 framework, Na(1) is bonded in a 3-coordinate geometry to one O(1), one O(2), and one O(4) atom. The Na(1)-O(1) bond length is 2.30 Å. The Na(1)-O(2) bond length is 2.22 Å. The Na(1)-O(4) bond length is 2.28 Å. Mn(1) is bonded in a distorted square co-planar geometry to one N(1), one N(2), one O(1), and one O(3) atom. The Mn(1)-N(1) bond length is 1.91 Å. The Mn(1)-N(2) bond length is 1.92 Å. The Mn(1)-O(1) bond length is 1.86 Å. The Mn(1)-O(3) bond length is 1.86 Å. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one N(2) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(6) bond length is 1.38 Å. The C(1)-N(2) bond length is 1.41 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one N(1) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-N(1) bond length is 1.41 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(4) atom. The C(6)-H(4) bond length is 0.93 Å. In the fifth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(8), one N(1), and one O(2) atom. The C(7)-C(8) bond length is 1.51 Å. The C(7)-N(1) bond length is 1.33 Å. The C(7)-O(2) bond length is 1.24 Å. In the sixth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one O(1) atom. The C(8)-O(1) bond length is 1.43 Å. In the seventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(2) and one O(4) atom. The C(11)-N(2) bond length is 1.34 Å. The C(11)-O(4) bond length is 1.24 Å. In the eighth C site, C(12) is bonded in a distorted single-bond geometry to one O(3) atom. The C(12)-O(3) bond length is 1.42 Å. There are two inequivalent N sites. In the first N site, N(2) is bonded in a trigonal planar geometry to one Mn(1), one C(1), and one C(11) atom. In the second N site, N(1) is bonded in a trigonal planar geometry to one Mn(1), one C(2), and one C(7) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(4) is bonded in a single-bond geometry to one C(6) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Na(1), one Mn(1), and one C(8) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Na(1) and one C(7) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(12) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Na(1) and one C(11) atom. Linkers: 4 CC(C)([O])C(=O)[N]c1ccccc1[N]C(=O)C(C)(C)[O]. Metal clusters: 4 [Na] ,4 [Mn]. The MOF has largest included sphere 4.71 A, density 1.05 g/cm3, surface area 4794.73 m2/g, accessible volume 0.42 cm3/g