Mn2C10H10(N2O)5 crystallizes in the orthorhombic Pbca space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in an octahedral geometry to one N(2), one N(6), one N(8), one O(2), one O(3), and one O(5) atom. The Mn(1)-N(2) bond length is 2.25 Å. The Mn(1)-N(6) bond length is 2.33 Å. The Mn(1)-N(8) bond length is 2.29 Å. The Mn(1)-O(2) bond length is 2.11 Å. The Mn(1)-O(3) bond length is 2.09 Å. The Mn(1)-O(5) bond length is 2.26 Å. In the second Mn site, Mn(2) is bonded in an octahedral geometry to one N(1), one N(4), one N(7), one N(9), one O(1), and one O(4) atom. The Mn(2)-N(1) bond length is 2.20 Å. The Mn(2)-N(4) bond length is 2.21 Å. The Mn(2)-N(7) bond length is 2.22 Å. The Mn(2)-N(9) bond length is 2.29 Å. The Mn(2)-O(1) bond length is 2.13 Å. The Mn(2)-O(4) bond length is 2.21 Å. There are ten inequivalent C sites. In the first C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(6) atom. The C(5)-C(10) bond length is 1.50 Å. The C(5)-C(4) bond length is 1.40 Å. The C(5)-C(6) bond length is 1.40 Å. In the second C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one H(8) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-H(8) bond length is 1.09 Å. In the third C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(9) atom. The C(7)-H(9) bond length is 1.09 Å. In the fourth C site, C(8) is bonded in a distorted single-bond geometry to one C(3) and one H(10) atom. The C(8)-C(3) bond length is 1.40 Å. The C(8)-H(10) bond length is 1.09 Å. In the fifth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(9)-C(3) bond length is 1.50 Å. The C(9)-O(1) bond length is 1.28 Å. The C(9)-O(2) bond length is 1.27 Å. In the sixth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(3), and one O(4) atom. The C(10)-O(3) bond length is 1.28 Å. The C(10)-O(4) bond length is 1.28 Å. In the seventh C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(4), and one N(5) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-N(4) bond length is 1.35 Å. The C(1)-N(5) bond length is 1.35 Å. In the eighth C site, C(2) is bonded in a trigonal planar geometry to one N(10), one N(6), and one N(9) atom. The C(2)-N(10) bond length is 1.39 Å. The C(2)-N(6) bond length is 1.35 Å. The C(2)-N(9) bond length is 1.35 Å. In the ninth C site, C(3) is bonded in a trigonal planar geometry to one C(4), one C(8), and one C(9) atom. The C(3)-C(4) bond length is 1.40 Å. In the tenth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(7) atom. The C(4)-H(7) bond length is 1.09 Å. There are ten inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Mn(2), one C(1), and one N(2) atom. The N(1)-N(2) bond length is 1.35 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one Mn(1), one N(1), and one N(3) atom. The N(2)-N(3) bond length is 1.31 Å. In the third N site, N(3) is bonded in a water-like geometry to one N(2) and one N(4) atom. The N(3)-N(4) bond length is 1.35 Å. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Mn(2), one C(1), and one N(3) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(1), one H(3), and one H(4) atom. The N(5)-H(3) bond length is 1.02 Å. The N(5)-H(4) bond length is 1.01 Å. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one Mn(1), one C(2), and one N(7) atom. The N(6)-N(7) bond length is 1.34 Å. In the seventh N site, N(7) is bonded in a distorted trigonal planar geometry to one Mn(2), one N(6), and one N(8) atom. The N(7)-N(8) bond length is 1.32 Å. In the eighth N site, N(10) is bonded in a 3-coordinate geometry to one C(2), one H(5), and one H(6) atom. The N(10)-H(5) bond length is 1.03 Å. The N(10)-H(6) bond length is 1.04 Å. In the ninth N site, N(8) is bonded in a trigonal planar geometry to one Mn(1), one N(7), and one N(9) atom. The N(8)-N(9) bond length is 1.34 Å. In the tenth N site, N(9) is bonded in a distorted trigonal planar geometry to one Mn(2), one C(2), and one N(8) atom. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. The H(1)-O(5) bond length is 1.00 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. The H(2)-O(5) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one N(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(10) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(4) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(6) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(7) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(8) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mn(2) and one C(9) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(9) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one C(10) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Mn(2) and one C(10) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Mn(1), one H(1), and one H(2) atom. Linkers: 15 NC1=NN=N[N]1 ,8 [O]C(=O)c1cccc(C([O])=O)c1. Metal clusters: 16 [Mn]. The MOF has largest included sphere 4.49 A, density 1.65 g/cm3, surface area 3178.00 m2/g, accessible volume 0.24 cm3/g