Zn5C16P5H14(NO5)4CH3CN crystallizes in the monoclinic P2_1/c space group. The structure consists of four dimethylamine molecules inside a Zn5C16P5H14(NO5)4 framework. In the Zn5C16P5H14(NO5)4 framework, there are five inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one N(1), one O(1), one O(10), and one O(11) atom to form ZnNO3 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra and corners with two equivalent P(3)O4 tetrahedra. The Zn(1)-N(1) bond length is 2.04 Å. The Zn(1)-O(1) bond length is 1.93 Å. The Zn(1)-O(10) bond length is 1.94 Å. The Zn(1)-O(11) bond length is 1.96 Å. In the second Zn site, Zn(2) is bonded to one O(15), one O(19), one O(3), and one O(4) atom to form ZnO4 tetrahedra that share  a cornercorner with one Zn(3)O4 tetrahedra,  a cornercorner with one Zn(5)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The Zn(2)-O(15) bond length is 1.97 Å. The Zn(2)-O(19) bond length is 1.99 Å. The Zn(2)-O(3) bond length is 1.92 Å. The Zn(2)-O(4) bond length is 1.91 Å. In the third Zn site, Zn(3) is bonded to one O(15), one O(16), one O(2), and one O(5) atom to form ZnO4 tetrahedra that share  a cornercorner with one Zn(2)O4 tetrahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. The Zn(3)-O(15) bond length is 2.00 Å. The Zn(3)-O(16) bond length is 1.92 Å. The Zn(3)-O(2) bond length is 1.97 Å. The Zn(3)-O(5) bond length is 1.91 Å. In the fourth Zn site, Zn(4) is bonded to one O(12), one O(13), one O(7), and one O(8) atom to form ZnO4 tetrahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The Zn(4)-O(12) bond length is 1.97 Å. The Zn(4)-O(13) bond length is 1.94 Å. The Zn(4)-O(7) bond length is 1.97 Å. The Zn(4)-O(8) bond length is 1.94 Å. In the fifth Zn site, Zn(5) is bonded to one O(14), one O(17), one O(19), and one O(20) atom to form ZnO4 tetrahedra that share  a cornercorner with one Zn(2)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and corners with three equivalent P(5)O4 tetrahedra. The Zn(5)-O(14) bond length is 1.95 Å. The Zn(5)-O(17) bond length is 1.93 Å. The Zn(5)-O(19) bond length is 2.03 Å. The Zn(5)-O(20) bond length is 1.91 Å. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(6) atom. The C(1)-C(2) bond length is 1.36 Å. The C(1)-N(1) bond length is 1.33 Å. The C(1)-H(6) bond length is 0.93 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(7) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-H(7) bond length is 0.93 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 1.36 Å. The C(3)-C(6) bond length is 1.48 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(8) atom. The C(4)-H(8) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(9) atom. The C(5)-N(1) bond length is 1.33 Å. The C(5)-H(9) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(3), one C(8), and one N(2) atom. The C(6)-C(8) bond length is 1.41 Å. The C(6)-N(2) bond length is 1.37 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(9), one N(2), and one N(3) atom. The C(7)-C(9) bond length is 1.46 Å. The C(7)-N(2) bond length is 1.33 Å. The C(7)-N(3) bond length is 1.35 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(14), one C(6), and one N(3) atom. The C(8)-C(14) bond length is 1.45 Å. The C(8)-N(3) bond length is 1.38 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(13), and one C(7) atom. The C(9)-C(10) bond length is 1.41 Å. The C(9)-C(13) bond length is 1.41 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one H(10) atom. The C(10)-C(11) bond length is 1.37 Å. The C(10)-H(10) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(10), one N(4), and one H(11) atom. The C(11)-N(4) bond length is 1.35 Å. The C(11)-H(11) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(13), one N(4), and one H(12) atom. The C(12)-C(13) bond length is 1.38 Å. The C(12)-N(4) bond length is 1.34 Å. The C(12)-H(12) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(9), and one H(13) atom. The C(13)-H(13) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(15), one C(18), and one C(8) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-C(18) bond length is 1.40 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(14) atom. The C(15)-H(14) bond length is 0.93 Å. In the sixteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(14) and one H(17) atom. The C(18)-H(17) bond length is 0.93 Å. There are five inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)NO3 tetrahedra,  a cornercorner with one Zn(3)O4 tetrahedra, and corners with two equivalent Zn(2)O4 tetrahedra. The P(1)-O(1) bond length is 1.52 Å. The P(1)-O(2) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.53 Å. In the second P site, P(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(3)O4 tetrahedra and corners with two equivalent Zn(4)O4 tetrahedra. The P(2)-O(5) bond length is 1.52 Å. The P(2)-O(6) bond length is 1.58 Å. The P(2)-O(7) bond length is 1.54 Å. The P(2)-O(8) bond length is 1.52 Å. In the third P site, P(3) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(4)O4 tetrahedra and corners with two equivalent Zn(1)NO3 tetrahedra. The P(3)-O(10) bond length is 1.52 Å. The P(3)-O(11) bond length is 1.53 Å. The P(3)-O(12) bond length is 1.52 Å. The P(3)-O(9) bond length is 1.58 Å. In the fourth P site, P(4) is bonded to one O(13), one O(14), one O(15), and one O(16) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(2)O4 tetrahedra,  a cornercorner with one Zn(4)O4 tetrahedra,  a cornercorner with one Zn(5)O4 tetrahedra, and corners with two equivalent Zn(3)O4 tetrahedra. The P(4)-O(13) bond length is 1.52 Å. The P(4)-O(14) bond length is 1.54 Å. The P(4)-O(15) bond length is 1.58 Å. The P(4)-O(16) bond length is 1.51 Å. In the fifth P site, P(5) is bonded to one O(17), one O(18), one O(19), and one O(20) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(2)O4 tetrahedra and corners with three equivalent Zn(5)O4 tetrahedra. The P(5)-O(17) bond length is 1.51 Å. The P(5)-O(18) bond length is 1.58 Å. The P(5)-O(19) bond length is 1.57 Å. The P(5)-O(20) bond length is 1.51 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(5) atom. In the second N site, N(2) is bonded in a water-like geometry to one C(6) and one C(7) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one C(7), one C(8), and one H(3) atom. The N(3)-H(3) bond length is 0.81 Å. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(11), one C(12), and one H(4) atom. The N(4)-H(4) bond length is 0.91 Å. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(6) atom. The H(1)-O(6) bond length is 0.78 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. The H(2)-O(9) bond length is 0.93 Å. In the third H site, H(3) is bonded in a single-bond geometry to one N(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(4) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(4) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(5) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(10) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(11) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(12) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(13) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(15) atom. In the fourteenth H site, H(17) is bonded in a single-bond geometry to one C(18) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one P(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Zn(3) and one P(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(2) and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(3) and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one P(2) and one H(1) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(4) and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Zn(4) and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one P(3) and one H(2) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Zn(1) and one P(3) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Zn(4) and one P(3) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Zn(4) and one P(4) atom. In the fourteenth O site, O(14) is bonded in a bent 120 degrees geometry to one Zn(5) and one P(4) atom. In the fifteenth O site, O(15) is bonded in a trigonal planar geometry to one Zn(2), one Zn(3), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Zn(3) and one P(4) atom. In the seventeenth O site, O(17) is bonded in a bent 120 degrees geometry to one Zn(5) and one P(5) atom. In the eighteenth O site, O(18) is bonded in a single-bond geometry to one P(5) atom. In the nineteenth O site, O(19) is bonded in a trigonal non-coplanar geometry to one Zn(2), one Zn(5), and one P(5) atom. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one Zn(5) and one P(5) atom. Linkers: 8 [O]P([O])(=O)O ,12 [O]P([O])([O])=O. Metal clusters: 20 [Zn]. The MOF has largest included sphere 5.08 A, density 2.10 g/cm3, surface area 3296.44 m2/g, accessible volume 0.14 cm3/g