Mn3C14P2H12(NO6)2C3H2C2NH2 crystallizes in the triclinic P-1 space group. The structure consists of one 2,3-dimethyl-1,3-butadiene molecule and two n-methyl methanimine molecules inside a Mn3C14P2H12(NO6)2 framework. In the Mn3C14P2H12(NO6)2 framework, there are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(8) atom to form MnO6 octahedra that share  a cornercorner with one Mn(2)NO5 octahedra,  a cornercorner with one Mn(3)NO5 octahedra, corners with two equivalent P(1)CO3 tetrahedra, and corners with two equivalent P(2)CO3 tetrahedra. The corner-sharing octahedral tilt angles range from 57-62°. The Mn(1)-O(1) bond length is 2.09 Å. The Mn(1)-O(11) bond length is 2.16 Å. The Mn(1)-O(3) bond length is 2.32 Å. The Mn(1)-O(5) bond length is 2.13 Å. The Mn(1)-O(7) bond length is 2.07 Å. The Mn(1)-O(8) bond length is 2.46 Å. In the second Mn site, Mn(2) is bonded to one N(1), one O(10), one O(12), one O(2), one O(8), and one O(9) atom to form distorted MnNO5 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one C(3)PHCO tetrahedra,  a cornercorner with one P(1)CO3 tetrahedra, corners with two equivalent P(2)CO3 tetrahedra, and  an edgeedge with one Mn(3)NO5 octahedra. The corner-sharing octahedral tilt angles are 57°. The Mn(2)-N(1) bond length is 2.21 Å. The Mn(2)-O(10) bond length is 2.24 Å. The Mn(2)-O(12) bond length is 2.38 Å. The Mn(2)-O(2) bond length is 2.13 Å. The Mn(2)-O(8) bond length is 2.13 Å. The Mn(2)-O(9) bond length is 2.29 Å. In the third Mn site, Mn(3) is bonded to one N(2), one O(2), one O(3), one O(4), one O(6), and one O(9) atom to form distorted MnNO5 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one C(1)PHCO tetrahedra,  a cornercorner with one P(2)CO3 tetrahedra, corners with two equivalent P(1)CO3 tetrahedra, and  an edgeedge with one Mn(2)NO5 octahedra. The corner-sharing octahedral tilt angles are 62°. The Mn(3)-N(2) bond length is 2.20 Å. The Mn(3)-O(2) bond length is 2.27 Å. The Mn(3)-O(3) bond length is 2.14 Å. The Mn(3)-O(4) bond length is 2.23 Å. The Mn(3)-O(6) bond length is 2.38 Å. The Mn(3)-O(9) bond length is 2.13 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded to one C(2), one P(1), one H(3), and one O(4) atom to form distorted CPHCO tetrahedra that share  a cornercorner with one Mn(3)NO5 octahedra. The corner-sharing octahedral tilt angles are 74°. The C(1)-C(2) bond length is 1.51 Å. The C(1)-P(1) bond length is 1.86 Å. The C(1)-H(3) bond length is 1.10 Å. The C(1)-O(4) bond length is 1.43 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(5), and one O(6) atom. The C(2)-O(5) bond length is 1.27 Å. The C(2)-O(6) bond length is 1.28 Å. In the third C site, C(3) is bonded to one C(4), one P(2), one H(4), and one O(10) atom to form distorted CPHCO tetrahedra that share  a cornercorner with one Mn(2)NO5 octahedra. The corner-sharing octahedral tilt angles are 75°. The C(3)-C(4) bond length is 1.51 Å. The C(3)-P(2) bond length is 1.86 Å. The C(3)-H(4) bond length is 1.10 Å. The C(3)-O(10) bond length is 1.43 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(11), and one O(12) atom. The C(4)-O(11) bond length is 1.27 Å. The C(4)-O(12) bond length is 1.28 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one H(5) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(5) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one H(6) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(6) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(6), one C(7), and one C(8) atom. The C(7)-C(7) bond length is 1.48 Å. The C(7)-C(8) bond length is 1.41 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one H(7) atom. The C(8)-C(9) bond length is 1.39 Å. The C(8)-H(7) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(8), one N(1), and one H(8) atom. The C(9)-N(1) bond length is 1.35 Å. The C(9)-H(8) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one N(2) and one H(9) atom. The C(10)-N(2) bond length is 1.34 Å. The C(10)-H(9) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(12) and one H(10) atom. The C(11)-C(12) bond length is 1.41 Å. The C(11)-H(10) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(13) atom. The C(12)-C(12) bond length is 1.48 Å. The C(12)-C(13) bond length is 1.41 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(14), and one H(11) atom. The C(13)-C(14) bond length is 1.39 Å. The C(13)-H(11) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(13), one N(2), and one H(12) atom. The C(14)-N(2) bond length is 1.35 Å. The C(14)-H(12) bond length is 1.09 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one C(1), one O(1), one O(2), and one O(3) atom to form distorted PCO3 tetrahedra that share  a cornercorner with one Mn(2)NO5 octahedra, corners with two equivalent Mn(3)NO5 octahedra, and corners with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-65°. The P(1)-O(1) bond length is 1.52 Å. The P(1)-O(2) bond length is 1.56 Å. The P(1)-O(3) bond length is 1.55 Å. In the second P site, P(2) is bonded to one C(3), one O(7), one O(8), and one O(9) atom to form distorted PCO3 tetrahedra that share  a cornercorner with one Mn(3)NO5 octahedra, corners with two equivalent Mn(2)NO5 octahedra, and corners with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-66°. The P(2)-O(7) bond length is 1.52 Å. The P(2)-O(8) bond length is 1.54 Å. The P(2)-O(9) bond length is 1.56 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Mn(2), one C(5), and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Mn(3), one C(10), and one C(14) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(12) and one O(4) atom. The H(1)-O(12) bond length is 1.55 Å. The H(1)-O(4) bond length is 1.03 Å. In the second H site, H(2) is bonded in a linear geometry to one O(10) and one O(6) atom. The H(2)-O(10) bond length is 1.02 Å. The H(2)-O(6) bond length is 1.54 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(8) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(9) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(10) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(11) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(13) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(14) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Mn(2), one Mn(3), and one P(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mn(3), one C(1), and one H(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Mn(3), one C(2), and one H(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Mn(1) and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Mn(2), one Mn(3), and one P(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Mn(2), one C(3), and one H(2) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(4) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal non-coplanar geometry to one Mn(2), one C(4), and one H(1) atom. Linkers: 2 c1cc(-c2ccncc2)ccn1. Metal clusters: 6 [Mn]. The MOF has largest included sphere 2.34 A, density 2.05 g/cm3, surface area 2944.60 m2/g, accessible volume 0.10 cm3/g