MnC6H4(NO2)2 crystallizes in the orthorhombic P2_12_12_1 space group. Mn(1) is bonded in a distorted octahedral geometry to one N(1), one N(2), one O(1), one O(2), one O(3), and one O(4) atom. The Mn(1)-N(1) bond length is 2.39 Å. The Mn(1)-N(2) bond length is 2.28 Å. The Mn(1)-O(1) bond length is 2.10 Å. The Mn(1)-O(2) bond length is 2.12 Å. The Mn(1)-O(3) bond length is 2.12 Å. The Mn(1)-O(4) bond length is 2.17 Å. There are six inequivalent C sites. In the first C site, C(4) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(2,3) atom. The C(4)-N(2) bond length is 1.34 Å. The C(4)-H(2,3) bond length is 1.09 Å. In the second C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(2,3) atom. The C(5)-N(2) bond length is 1.34 Å. The C(5)-H(2,3) bond length is 1.09 Å. In the third C site, C(6) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4) atom. The C(6)-N(1) bond length is 1.34 Å. The C(6)-H(4) bond length is 1.09 Å. In the fourth C site, C(1) is bonded in a distorted single-bond geometry to one N(1) atom. The C(1)-N(1) bond length is 1.35 Å. In the fifth C site, C(2) is bonded in a trigonal planar geometry to one H(1), one O(1), and one O(3) atom. The C(2)-H(1) bond length is 1.11 Å. The C(2)-O(1) bond length is 1.27 Å. The C(2)-O(3) bond length is 1.27 Å. In the sixth C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(4) atom. The C(3)-O(2) bond length is 1.27 Å. The C(3)-O(4) bond length is 1.27 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Mn(1), one C(1), and one C(6) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Mn(1), one C(4), and one C(5) atom. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2,3) is bonded in a single-bond geometry to one C(4) atom. In the third 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(4) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(3) atom. In the second O site, O(3) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(2) atom. In the third O site, O(1) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(2) atom. In the fourth O site, O(2) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(3) atom. Linkers: 4 [O]C(=O)c1cnccn1. Metal clusters: 4 [Mn]. The MOF has largest included sphere 3.63 A, density 1.59 g/cm3, surface area 3542.07 m2/g, accessible volume 0.28 cm3/g