MnC26H30(N2O)4 crystallizes in the trigonal R-3c space group. Mn(1) is bonded in an octahedral geometry to two equivalent N(1), two equivalent N(2), and two equivalent O(1) atoms. Both Mn(1)-N(1) bond lengths are 2.26 Å. Both Mn(1)-N(2) bond lengths are 2.20 Å. Both Mn(1)-O(1) bond lengths are 2.17 Å. There are thirteen inequivalent C sites. In the first C site, C(8) is bonded in a distorted trigonal planar geometry to one C(13), one C(9), and one N(4) atom. The C(8)-C(13) bond length is 1.49 Å. The C(8)-C(9) bond length is 1.40 Å. The C(8)-N(4) bond length is 1.35 Å. In the second C site, C(9) is bonded in a trigonal planar geometry to one C(3), one C(7), and one C(8) atom. The C(9)-C(3) bond length is 1.42 Å. The C(9)-C(7) bond length is 1.46 Å. In the third C site, C(10) is bonded in a distorted trigonal non-coplanar geometry to one C(3), one H(6), one H(7), and one H(8) atom. The C(10)-C(3) bond length is 1.49 Å. The C(10)-H(6) bond length is 1.10 Å. The C(10)-H(7) bond length is 1.10 Å. The C(10)-H(8) bond length is 1.10 Å. In the fourth C site, C(11) is bonded in a distorted single-bond geometry to two equivalent C(4) and one H(9) atom. Both C(11)-C(4) bond lengths are 1.40 Å. The C(11)-H(9) bond length is 1.09 Å. In the fifth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(1)-C(4) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.27 Å. In the sixth C site, C(12) is bonded in a distorted trigonal non-coplanar geometry to one C(5), one H(10), one H(11), and one H(12) atom. The C(12)-C(5) bond length is 1.49 Å. The C(12)-H(10) bond length is 1.10 Å. The C(12)-H(11) bond length is 1.10 Å. The C(12)-H(12) bond length is 1.10 Å. In the seventh C site, C(2) is bonded in a distorted trigonal planar geometry to one C(6), one C(7), and one N(1) atom. The C(2)-C(6) bond length is 1.49 Å. The C(2)-C(7) bond length is 1.42 Å. The C(2)-N(1) bond length is 1.35 Å. In the eighth C site, C(13) is bonded in a distorted trigonal non-coplanar geometry to one C(8), one H(13), one H(14), and one H(15) atom. The C(13)-H(13) bond length is 1.10 Å. The C(13)-H(14) bond length is 1.10 Å. The C(13)-H(15) bond length is 1.10 Å. In the ninth C site, C(3) is bonded in a distorted trigonal planar geometry to one C(10), one C(9), and one N(2) atom. The C(3)-N(2) bond length is 1.35 Å. In the tenth C site, C(4) is bonded in a trigonal planar geometry to one C(1) and two equivalent C(11) atoms. In the eleventh C site, C(5) is bonded in a distorted trigonal planar geometry to one C(12), one C(7), and one N(3) atom. The C(5)-C(7) bond length is 1.40 Å. The C(5)-N(3) bond length is 1.35 Å. In the twelfth C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one C(2), one H(3), one H(4), and one H(5) atom. The C(6)-H(3) bond length is 1.10 Å. The C(6)-H(4) bond length is 1.10 Å. The C(6)-H(5) bond length is 1.10 Å. In the thirteenth C site, C(7) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(9) atom. There are four inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Mn(1), one C(2), and one N(3) atom. The N(1)-N(3) bond length is 1.35 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Mn(1), one C(3), and one N(4) atom. The N(2)-N(4) bond length is 1.36 Å. In the third N site, N(3) is bonded in a 3-coordinate geometry to one C(5), one N(1), and one H(1) atom. The N(3)-H(1) bond length is 1.02 Å. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one C(8), one N(2), and one H(2) atom. The N(4)-H(2) bond length is 1.06 Å. There are fifteen inequivalent H sites. In the first H site, H(11) is bonded in a single-bond geometry to one C(12) atom. In the second H site, H(1) is bonded in a single-bond geometry to one N(3) atom. In the third H site, H(12) is bonded in a single-bond geometry to one C(12) atom. In the fourth H site, H(2) is bonded in a distorted linear geometry to one N(4) and one O(2) atom. The H(2)-O(2) bond length is 1.64 Å. In the fifth H site, H(13) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(14) is bonded in a single-bond geometry to one C(13) atom. In the eighth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the ninth H site, H(15) is bonded in a single-bond geometry to one C(13) atom. In the tenth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the eleventh H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the twelfth H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the thirteenth H site, H(8) is bonded in a single-bond geometry to one C(10) atom. In the fourteenth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. In the fifteenth H site, H(10) is bonded in a single-bond geometry to one C(12) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(1) atom. In the second O site, O(2) is bonded in a water-like geometry to one C(1) and one H(2) atom. Linkers: 12 Cc1n[nH]c(C)c1-c1c(C)n[nH]c1C ,4 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 6 O=[C]O[Mn]O[C]=O. The MOF has largest included sphere 9.72 A, density 0.99 g/cm3, surface area 5087.59 m2/g, accessible volume 0.46 cm3/g