Mn3C36N24H18O crystallizes in the hexagonal P6_3/m space group. Mn(1) is bonded to two equivalent N(1), two equivalent N(2), and one O(1) atom to form corner-sharing MnN4O square pyramids. Both Mn(1)-N(1) bond lengths are 2.32 Å. Both Mn(1)-N(2) bond lengths are 2.32 Å. The Mn(1)-O(1) bond length is 2.06 Å. There are six inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(5) atom. The C(1)-C(1) bond length is 1.43 Å. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(5) bond length is 1.41 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-H(1) bond length is 0.95 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(6) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-C(6) bond length is 1.47 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(2) atom. The C(4)-H(2) bond length is 0.95 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(1) and one H(3) atom. The C(5)-H(3) bond length is 0.95 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one N(4) atom. The C(6)-N(1) bond length is 1.33 Å. The C(6)-N(4) bond length is 1.34 Å. 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(6), and one N(2) atom. The N(1)-N(2) bond length is 1.36 Å. In the second N site, N(2) is bonded in a distorted 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 single-bond geometry to one C(6) and one N(3) 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) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. O(1) is bonded in a trigonal planar geometry to three equivalent Mn(1) atoms. Linkers: 7 c1cc2cc(C3=NN=N[N]3)ccc2cc1C1=NN=N[N]1. Metal clusters: 2 N1=N[Mn]234N=N[Mn]15N=N[Mn](N=N5)(N=N2)(N=N3)O4. The MOF has largest included sphere 13.37 A, density 0.62 g/cm3, surface area 4158.07 m2/g, accessible volume 1.19 cm3/g