Mn3C8H16(N3O8)2 crystallizes in the triclinic P1 space group. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in an octahedral geometry to one N(1), one N(2), one O(1), one O(10), one O(2), and one O(9) atom. The Mn(1)-N(1) bond length is 2.21 Å. The Mn(1)-N(2) bond length is 2.21 Å. The Mn(1)-O(1) bond length is 2.30 Å. The Mn(1)-O(10) bond length is 2.11 Å. The Mn(1)-O(2) bond length is 2.30 Å. The Mn(1)-O(9) bond length is 2.11 Å. In the second Mn site, Mn(2) is bonded to one N(3), one O(11), one O(13), one O(15), one O(5), and one O(6) atom to form edge-sharing MnNO5 octahedra. The Mn(2)-N(3) bond length is 2.19 Å. The Mn(2)-O(11) bond length is 2.24 Å. The Mn(2)-O(13) bond length is 2.16 Å. The Mn(2)-O(15) bond length is 2.11 Å. The Mn(2)-O(5) bond length is 2.41 Å. The Mn(2)-O(6) bond length is 2.14 Å. In the third Mn site, Mn(3) is bonded to one N(4), one O(12), one O(14), one O(16), one O(5), and one O(6) atom to form edge-sharing MnNO5 octahedra. The Mn(3)-N(4) bond length is 2.19 Å. The Mn(3)-O(12) bond length is 2.24 Å. The Mn(3)-O(14) bond length is 2.16 Å. The Mn(3)-O(16) bond length is 2.11 Å. The Mn(3)-O(5) bond length is 2.14 Å. The Mn(3)-O(6) bond length is 2.42 Å. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(3) atom. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(3) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(4) atom. The C(2)-O(2) bond length is 1.27 Å. The C(2)-O(4) bond length is 1.28 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one N(1) and one N(5) atom. The C(3)-N(1) bond length is 1.35 Å. The C(3)-N(5) bond length is 1.35 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one N(2) and one N(6) atom. The C(4)-N(2) bond length is 1.35 Å. The C(4)-N(6) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(3) and one N(5) atom. The C(5)-N(3) bond length is 1.35 Å. The C(5)-N(5) bond length is 1.35 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one N(4) and one N(6) atom. The C(6)-N(4) bond length is 1.35 Å. The C(6)-N(6) bond length is 1.35 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(7) atom. The C(7)-O(5) bond length is 1.29 Å. The C(7)-O(7) bond length is 1.26 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one O(6) and one O(8) atom. The C(8)-O(6) bond length is 1.29 Å. The C(8)-O(8) bond length is 1.26 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Mn(1), one C(3), and one N(3) atom. The N(1)-N(3) bond length is 1.34 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Mn(1), one C(4), and one N(4) atom. The N(2)-N(4) bond length is 1.34 Å. In the third N site, N(3) is bonded in a 3-coordinate geometry to one Mn(2), one C(5), and one N(1) atom. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one Mn(3), one C(6), and one N(2) atom. In the fifth N site, N(5) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one H(3) atom. The N(5)-H(3) bond length is 1.69 Å. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one H(4) atom. The N(6)-H(4) bond length is 1.69 Å. There are sixteen inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(8) and one O(9) atom. The H(1)-O(8) bond length is 1.69 Å. The H(1)-O(9) bond length is 0.99 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(10) and one O(7) atom. The H(2)-O(10) bond length is 0.99 Å. The H(2)-O(7) bond length is 1.68 Å. In the third H site, H(3) is bonded in a distorted single-bond geometry to one N(5) and one O(9) atom. The H(3)-O(9) bond length is 1.00 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one N(6) and one O(10) atom. The H(4)-O(10) bond length is 1.00 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 1.00 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 1.00 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(11) and one O(7) atom. The H(7)-O(11) bond length is 1.00 Å. The H(7)-O(7) bond length is 1.68 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(12) and one O(8) atom. The H(8)-O(12) bond length is 1.00 Å. The H(8)-O(8) bond length is 1.67 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(13) atom. The H(9)-O(13) bond length is 0.99 Å. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(14) atom. The H(10)-O(14) bond length is 0.99 Å. In the eleventh H site, H(11) is bonded in a single-bond geometry to one O(13) atom. The H(11)-O(13) bond length is 0.99 Å. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(14) atom. The H(12)-O(14) bond length is 0.99 Å. In the thirteenth H site, H(13) is bonded in a distorted single-bond geometry to one O(15) and one O(2) atom. The H(13)-O(15) bond length is 1.00 Å. The H(13)-O(2) bond length is 1.66 Å. In the fourteenth H site, H(14) is bonded in a distorted single-bond geometry to one O(1) and one O(16) atom. The H(14)-O(1) bond length is 1.66 Å. The H(14)-O(16) bond length is 1.00 Å. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one O(15) atom. The H(15)-O(15) bond length is 0.99 Å. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(16) atom. The H(16)-O(16) bond length is 0.99 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mn(1), one C(1), and one H(14) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(1), one C(2), and one H(13) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one C(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one C(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(3), and one C(7) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(3), and one C(8) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one C(7), one H(2), and one H(7) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one C(8), one H(1), and one H(8) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar 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 trigonal planar geometry to one Mn(1), 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(2), 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(3), one H(6), and one H(8) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal non-coplanar geometry to one Mn(2), one H(11), and one H(9) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Mn(3), one H(10), and one H(12) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one Mn(2), one H(13), and one H(15) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Mn(3), one H(14), and one H(16) atom. Linkers: 2 [O]C(=O)C1=NN=C(C([O])=O)[N]1. Metal clusters: 3 [Mn]. The MOF has largest included sphere 2.23 A, density 2.09 g/cm3, surface area 3099.95 m2/g, accessible volume 0.08 cm3/g