Mn3C16H4(NO2)4(CH)6 crystallizes in the trigonal R-3 space group. The structure consists of fifty-four 02329_fluka molecules inside a Mn3C16H4(NO2)4 framework. In the Mn3C16H4(NO2)4 framework, there are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted see-saw-like geometry to one N(1), one N(2), one O(2), and one O(4) atom. The Mn(1)-N(1) bond length is 2.22 Å. The Mn(1)-N(2) bond length is 2.22 Å. The Mn(1)-O(2) bond length is 2.16 Å. The Mn(1)-O(4) bond length is 2.17 Å. In the second Mn site, Mn(2) is bonded in a square co-planar geometry to two equivalent O(1) and two equivalent O(3) atoms. Both Mn(2)-O(1) bond lengths are 2.11 Å. Both Mn(2)-O(3) bond lengths are 2.11 Å. There are eight inequivalent C sites. In the first C site, C(7) is bonded in a single-bond geometry to one C(6) and one H(1,5) atom. The C(7)-C(6) bond length is 1.39 Å. The C(7)-H(1,5) bond length is 0.93 Å. In the second C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.48 Å. The C(1)-O(1) bond length is 1.24 Å. The C(1)-O(2) bond length is 1.27 Å. In the third C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one N(2) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-N(2) bond length is 1.38 Å. In the fourth C site, C(3) is bonded in a 3-coordinate geometry to one C(2), one C(4), and one N(1) atom. The C(3)-C(4) bond length is 1.49 Å. The C(3)-N(1) bond length is 1.37 Å. In the fifth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(4)-O(3) bond length is 1.25 Å. The C(4)-O(4) bond length is 1.25 Å. In the sixth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one N(2) atom. The C(5)-C(6) bond length is 1.47 Å. The C(5)-N(1) bond length is 1.34 Å. The C(5)-N(2) bond length is 1.34 Å. In the seventh C site, C(6) is bonded in a trigonal planar geometry to one C(11), one C(5), and one C(7) atom. The C(6)-C(11) bond length is 1.39 Å. In the eighth C site, C(11) is bonded in a distorted single-bond geometry to one C(6) and one H(1,5) atom. The C(11)-H(1,5) bond length is 0.93 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one C(3), and one C(5) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Mn(1), one C(2), and one C(5) atom. H(1,5) is bonded in a single-bond geometry to one C(7) atom. There are four inequivalent O sites. In the first O site, O(2) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(1) atom. In the second O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mn(2) and one C(4) atom. In the third O site, O(4) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(4) atom. In the fourth O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one C(1) atom. Linkers: 4 [O]C(=O)C1=C(C([O])=O)N=C(c2ccccc2)[N]1 ,2 [O]C(=O)[C]1N=C(c2ccccc2)N=C1C([O])=O. Metal clusters: 9 [Mn]. The MOF has largest included sphere 6.35 A, density 1.16 g/cm3, surface area 4012.77 m2/g, accessible volume 0.35 cm3/g