MnC6H6(NO3)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted octahedral geometry to one N(2), one N(3), one O(11), one O(3), one O(6), and one O(9) atom. The Mn(1)-N(2) bond length is 2.27 Å. The Mn(1)-N(3) bond length is 2.28 Å. The Mn(1)-O(11) bond length is 2.18 Å. The Mn(1)-O(3) bond length is 2.12 Å. The Mn(1)-O(6) bond length is 2.22 Å. The Mn(1)-O(9) bond length is 2.22 Å. In the second Mn site, Mn(2) is bonded in a distorted octahedral geometry to one N(1), one N(4), one O(10), one O(12), one O(4), and one O(5) atom. The Mn(2)-N(1) bond length is 2.27 Å. The Mn(2)-N(4) bond length is 2.28 Å. The Mn(2)-O(10) bond length is 2.22 Å. The Mn(2)-O(12) bond length is 2.18 Å. The Mn(2)-O(4) bond length is 2.12 Å. The Mn(2)-O(5) bond length is 2.22 Å. 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(3), one O(1), and one O(3) atom. The C(1)-C(3) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(3) bond length is 1.27 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(2), and one O(4) atom. The C(2)-C(4) bond length is 1.51 Å. The C(2)-O(2) bond length is 1.27 Å. The C(2)-O(4) bond length is 1.27 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(1), one C(5), and one N(1) atom. The C(3)-C(5) bond length is 1.40 Å. The C(3)-N(1) bond length is 1.34 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(2), one C(6), and one N(2) atom. The C(4)-C(6) bond length is 1.40 Å. The C(4)-N(2) bond length is 1.34 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3), one N(3), and one H(9) atom. The C(5)-N(3) bond length is 1.34 Å. The C(5)-H(9) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(4), one N(4), and one H(10) atom. The C(6)-N(4) bond length is 1.34 Å. The C(6)-H(10) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(3), and one H(11) atom. The C(7)-C(9) bond length is 1.40 Å. The C(7)-N(3) bond length is 1.34 Å. The C(7)-H(11) bond length is 1.08 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(10), one N(4), and one H(12) atom. The C(8)-C(10) bond length is 1.40 Å. The C(8)-N(4) bond length is 1.34 Å. The C(8)-H(12) bond length is 1.08 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(11), one C(7), and one N(1) atom. The C(9)-C(11) bond length is 1.51 Å. The C(9)-N(1) bond length is 1.34 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(12), one C(8), and one N(2) atom. The C(10)-C(12) bond length is 1.51 Å. The C(10)-N(2) bond length is 1.34 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(5), and one O(7) atom. The C(11)-O(5) bond length is 1.28 Å. The C(11)-O(7) bond length is 1.26 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(6), and one O(8) atom. The C(12)-O(6) bond length is 1.28 Å. The C(12)-O(8) bond length is 1.26 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Mn(2), one C(3), 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(10), and one C(4) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Mn(1), one C(5), and one C(7) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Mn(2), one C(6), and one C(8) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. The H(1)-O(9) bond length is 1.00 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(10) atom. The H(2)-O(10) bond length is 1.00 Å. In the third H site, H(3) is bonded in a distorted single-bond geometry to one O(8) and one O(9) atom. The H(3)-O(8) bond length is 1.63 Å. The H(3)-O(9) bond length is 1.01 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(10) and one O(7) atom. The H(4)-O(10) bond length is 1.01 Å. The H(4)-O(7) bond length is 1.63 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(11) atom. The H(5)-O(11) bond length is 0.99 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(12) atom. The H(6)-O(12) bond length is 0.99 Å. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(11) and one O(5) atom. The H(7)-O(11) bond length is 1.00 Å. The H(7)-O(5) bond length is 1.70 Å. In the eighth H site, H(8) is bonded in a distorted single-bond geometry to one O(12) and one O(6) atom. The H(8)-O(12) bond length is 1.00 Å. The H(8)-O(6) bond length is 1.70 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(5) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(6) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(7) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(8) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one C(2) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Mn(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one C(11), and one H(7) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(1), one C(12), and one H(8) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one C(11) and one H(4) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one C(12) and one H(3) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Mn(1), one H(1), and one H(3) atom. In the tenth O site, O(10) is bonded in a distorted water-like geometry to one Mn(2), one H(2), and one H(4) atom. In the eleventh O site, O(11) is bonded in a distorted water-like geometry to one Mn(1), one H(5), and one H(7) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one Mn(2), one H(6), and one H(8) atom. Linkers: 4 [O]C(=O)c1cncc(C([O])=O)n1. Metal clusters: 4 [Mn]. The MOF has largest included sphere 1.43 A, density 2.18 g/cm3, surface area 2747.27 m2/g, accessible volume 0.07 cm3/g