Mn10C31N15O16 crystallizes in the orthorhombic Pbcm space group. There are seven inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one N(1), one O(1), one O(2), one O(3), and one O(7) atom to form distorted MnNO4 square pyramids that share  a cornercorner with one Mn(1)NO4 square pyramid,  a cornercorner with one Mn(5)NO4 square pyramid,  an edgeedge with one Mn(2)N2O4 octahedra,  an edgeedge with one Mn(4)N2O4 octahedra,  an edgeedge with one Mn(3)NO4 trigonal bipyramid, and  an edgeedge with one Mn(6)NO4 trigonal bipyramid. The Mn(1)-N(1) bond length is 2.37 Å. The Mn(1)-O(1) bond length is 1.92 Å. The Mn(1)-O(2) bond length is 1.88 Å. The Mn(1)-O(3) bond length is 1.87 Å. The Mn(1)-O(7) bond length is 1.91 Å. In the second Mn site, Mn(2) is bonded to one N(1), one N(5), one O(1), one O(4), one O(5), and one O(8) atom to form distorted MnN2O4 octahedra that share  an edgeedge with one Mn(2)N2O4 octahedra,  an edgeedge with one Mn(4)N2O4 octahedra,  an edgeedge with one Mn(1)NO4 square pyramid,  an edgeedge with one Mn(5)NO4 square pyramid,  an edgeedge with one Mn(3)NO4 trigonal bipyramid, and  an edgeedge with one Mn(7)NO4 trigonal bipyramid. The Mn(2)-N(1) bond length is 2.37 Å. The Mn(2)-N(5) bond length is 2.40 Å. The Mn(2)-O(1) bond length is 1.89 Å. The Mn(2)-O(4) bond length is 1.88 Å. The Mn(2)-O(5) bond length is 1.87 Å. The Mn(2)-O(8) bond length is 1.92 Å. In the third Mn site, Mn(3) is bonded to one N(4), one O(1), one O(3), one O(5), and one O(6) atom to form distorted MnNO4 trigonal bipyramids that share  an edgeedge with one Mn(2)N2O4 octahedra,  an edgeedge with one Mn(1)NO4 square pyramid, and  an edgeedge with one Mn(5)NO4 square pyramid. The Mn(3)-N(4) bond length is 2.08 Å. The Mn(3)-O(1) bond length is 2.14 Å. The Mn(3)-O(3) bond length is 2.15 Å. The Mn(3)-O(5) bond length is 2.23 Å. The Mn(3)-O(6) bond length is 2.16 Å. In the fourth Mn site, Mn(4) is bonded to two equivalent N(1), one O(10), one O(7), one O(8), and one O(9) atom to form distorted MnN2O4 octahedra that share edges with two equivalent Mn(2)N2O4 octahedra, edges with two equivalent Mn(1)NO4 square pyramids,  an edgeedge with one Mn(6)NO4 trigonal bipyramid, and  an edgeedge with one Mn(7)NO4 trigonal bipyramid. Both Mn(4)-N(1) bond lengths are 2.39 Å. The Mn(4)-O(10) bond length is 1.89 Å. The Mn(4)-O(7) bond length is 1.91 Å. The Mn(4)-O(8) bond length is 1.90 Å. The Mn(4)-O(9) bond length is 1.89 Å. In the fifth Mn site, Mn(5) is bonded to one N(5), two equivalent O(1), and two equivalent O(6) atoms to form distorted MnNO4 square pyramids that share corners with two equivalent Mn(1)NO4 square pyramids, edges with two equivalent Mn(2)N2O4 octahedra, and edges with two equivalent Mn(3)NO4 trigonal bipyramids. The Mn(5)-N(5) bond length is 2.37 Å. Both Mn(5)-O(1) bond lengths are 1.92 Å. Both Mn(5)-O(6) bond lengths are 1.85 Å. In the sixth Mn site, Mn(6) is bonded to one N(8), one O(7), one O(9), and two equivalent O(2) atoms to form distorted MnNO4 trigonal bipyramids that share  an edgeedge with one Mn(4)N2O4 octahedra and edges with two equivalent Mn(1)NO4 square pyramids. The Mn(6)-N(8) bond length is 2.08 Å. The Mn(6)-O(7) bond length is 2.13 Å. The Mn(6)-O(9) bond length is 2.13 Å. Both Mn(6)-O(2) bond lengths are 2.15 Å. In the seventh Mn site, Mn(7) is bonded to one N(10), one O(10), one O(8), and two equivalent O(4) atoms to form distorted edge-sharing MnNO4 trigonal bipyramids. The Mn(7)-N(10) bond length is 2.09 Å. The Mn(7)-O(10) bond length is 2.17 Å. The Mn(7)-O(8) bond length is 2.14 Å. Both Mn(7)-O(4) bond lengths are 2.14 Å. There are eighteen inequivalent C sites. In the first C site, C(14) is bonded in a distorted single-bond geometry to one C(16), two equivalent C(1), and one O(9) atom. The C(14)-C(16) bond length is 1.24 Å. Both C(14)-C(1) bond lengths are 1.45 Å. The C(14)-O(9) bond length is 1.52 Å. In the second C site, C(15) is bonded in a distorted single-bond geometry to one C(17), two equivalent C(1), and one O(10) atom. The C(15)-C(17) bond length is 1.35 Å. Both C(15)-C(1) bond lengths are 1.48 Å. The C(15)-O(10) bond length is 1.37 Å. In the third C site, C(16) is bonded in a single-bond geometry to one C(14) atom. In the fourth C site, C(17) is bonded in a single-bond geometry to one C(15) atom. In the fifth C site, C(18) is bonded in a bent 120 degrees geometry to two equivalent C(12) atoms. Both C(18)-C(12) bond lengths are 1.52 Å. In the sixth C site, C(1) is bonded in a distorted single-bond geometry to one C(1), one C(14), and one C(15) atom. The C(1)-C(1) bond length is 0.97 Å. In the seventh C site, C(2) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one O(2) atom. The C(2)-C(3) bond length is 1.46 Å. The C(2)-C(5) bond length is 1.34 Å. The C(2)-O(2) bond length is 1.46 Å. In the eighth C site, C(3) is bonded in a bent 120 degrees geometry to one C(2) and one C(4) atom. The C(3)-C(4) bond length is 1.57 Å. In the ninth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(6), and one O(3) atom. The C(4)-C(6) bond length is 1.35 Å. The C(4)-O(3) bond length is 1.46 Å. In the tenth C site, C(5) is bonded in a single-bond geometry to one C(2) atom. In the eleventh C site, C(6) is bonded in a single-bond geometry to one C(4) atom. In the twelfth C site, C(7) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one O(4) atom. The C(7)-C(10) bond length is 1.33 Å. The C(7)-C(8) bond length is 1.33 Å. The C(7)-O(4) bond length is 1.48 Å. In the thirteenth C site, C(8) is bonded in a bent 120 degrees geometry to one C(7) and one C(9) atom. The C(8)-C(9) bond length is 1.31 Å. In the fourteenth C site, C(9) is bonded in a distorted single-bond geometry to one C(11), one C(8), and one O(5) atom. The C(9)-C(11) bond length is 1.35 Å. The C(9)-O(5) bond length is 1.44 Å. In the fifteenth C site, C(10) is bonded in a single-bond geometry to one C(7) atom. In the sixteenth C site, C(11) is bonded in a single-bond geometry to one C(9) atom. In the seventeenth C site, C(12) is bonded in a trigonal non-coplanar geometry to one C(13), one C(18), and one O(6) atom. The C(12)-C(13) bond length is 1.32 Å. The C(12)-O(6) bond length is 1.47 Å. In the eighteenth C site, C(13) is bonded in a single-bond geometry to one C(12) atom. There are eleven inequivalent N sites. In the first N site, N(1) is bonded in a rectangular see-saw-like geometry to one Mn(1), one Mn(2), one Mn(4), and one N(2) atom. The N(1)-N(2) bond length is 1.18 Å. In the second N site, N(2) is bonded in a linear geometry to one N(1) and one N(3) atom. The N(2)-N(3) bond length is 1.17 Å. In the third N site, N(3) is bonded in a single-bond geometry to one N(2) atom. In the fourth N site, N(4) is bonded in a bent 150 degrees geometry to one Mn(3) and one N(11) atom. The N(4)-N(11) bond length is 1.10 Å. In the fifth N site, N(5) is bonded in a rectangular see-saw-like geometry to one Mn(5), two equivalent Mn(2), and one N(6) atom. The N(5)-N(6) bond length is 1.12 Å. In the sixth N site, N(6) is bonded in a linear geometry to one N(5) and one N(7) atom. The N(6)-N(7) bond length is 1.26 Å. In the seventh N site, N(7) is bonded in a single-bond geometry to one N(6) atom. In the eighth N site, N(8) is bonded in a distorted bent 150 degrees geometry to one Mn(6) and one N(9) atom. The N(8)-N(9) bond length is 1.13 Å. In the ninth N site, N(9) is bonded in a linear geometry to one N(10) and one N(8) atom. The N(9)-N(10) bond length is 1.19 Å. In the tenth N site, N(10) is bonded in a distorted bent 150 degrees geometry to one Mn(7) and one N(9) atom. In the eleventh N site, N(11) is bonded in a linear geometry to two equivalent N(4) atoms. There are ten inequivalent O sites. In the first O site, O(7) is bonded to one Mn(4), one Mn(6), and two equivalent Mn(1) atoms to form corner-sharing OMn4 tetrahedra. In the second O site, O(8) is bonded to one Mn(4), one Mn(7), and two equivalent Mn(2) atoms to form corner-sharing OMn4 tetrahedra. In the third O site, O(9) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(6), and one C(14) atom. In the fourth O site, O(10) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(7), and one C(15) atom. In the fifth O site, O(1) is bonded to one Mn(1), one Mn(2), one Mn(3), and one Mn(5) atom to form corner-sharing OMn4 tetrahedra. In the sixth O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(6), and one C(2) atom. In the seventh O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one C(4) atom. In the eighth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(7), and one C(7) atom. In the ninth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one C(9) atom. In the tenth O site, O(6) is bonded in a trigonal planar geometry to one Mn(3), one Mn(5), and one C(12) atom. Linkers: 12 [C][C]([O])[C][C]([C])[O] ,4 [C][C]([C]=[C])C(=[C])[O].[O] ,8 [C]=C([O])[C]C(=[C])[O]. Metal clusters: 40 [Mn]. The MOF has largest included sphere 5.67 A, density 1.33 g/cm3, surface area 3425.04 m2/g, accessible volume 0.36 cm3/g