Zn2C20N3H15O10 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(5), one O(7), and one O(8) atom. The Zn(1)-O(1) bond length is 1.94 Å. The Zn(1)-O(2) bond length is 1.94 Å. The Zn(1)-O(5) bond length is 1.98 Å. The Zn(1)-O(7) bond length is 2.40 Å. The Zn(1)-O(8) bond length is 2.00 Å. In the second Zn site, Zn(2) is bonded in a distorted trigonal bipyramidal geometry to one O(10), one O(3), one O(4), one O(6), and one O(9) atom. The Zn(2)-O(10) bond length is 2.13 Å. The Zn(2)-O(3) bond length is 1.93 Å. The Zn(2)-O(4) bond length is 1.94 Å. The Zn(2)-O(6) bond length is 2.05 Å. The Zn(2)-O(9) bond length is 1.96 Å. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(3) atom. The C(1)-C(2) bond length is 1.48 Å. The C(1)-O(1) bond length is 1.25 Å. The C(1)-O(3) bond length is 1.25 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-C(7) bond length is 1.37 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.41 Å. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one N(1) atom. The C(4)-C(5) bond length is 1.37 Å. The C(4)-N(1) bond length is 1.43 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(6), and one H(2) atom. The C(5)-C(6) bond length is 1.37 Å. The C(5)-H(2) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(8) atom. The C(6)-C(7) bond length is 1.38 Å. The C(6)-C(8) bond length is 1.49 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(3) atom. The C(7)-H(3) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(2), and one O(4) atom. The C(8)-O(2) bond length is 1.23 Å. The C(8)-O(4) bond length is 1.26 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(5), and one O(6) atom. The C(9)-C(10) bond length is 1.50 Å. The C(9)-O(5) bond length is 1.23 Å. The C(9)-O(6) bond length is 1.25 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(16), and one C(9) atom. The C(10)-C(11) bond length is 1.38 Å. The C(10)-C(16) bond length is 1.39 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(15), and one H(4) atom. The C(11)-C(15) bond length is 1.39 Å. The C(11)-H(4) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a bent 120 degrees geometry to one C(13), one O(7), and one O(8) atom. The C(12)-C(13) bond length is 1.48 Å. The C(12)-O(7) bond length is 1.23 Å. The C(12)-O(8) bond length is 1.28 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(16) atom. The C(13)-C(14) bond length is 1.38 Å. The C(13)-C(16) bond length is 1.40 Å. In the fourteenth C site, C(14) is bonded in a single-bond geometry to one C(13), one C(15), and one H(5) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-H(5) bond length is 0.93 Å. In the fifteenth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(11), one C(14), and one N(2) atom. The C(15)-N(2) bond length is 1.41 Å. In the sixteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(10), one C(13), and one H(6) atom. The C(16)-H(6) bond length is 0.93 Å. In the seventeenth C site, C(17) is bonded in a 4-coordinate geometry to one C(18), one N(3), one O(10), and one O(9) atom. The C(17)-C(18) bond length is 1.52 Å. The C(17)-N(3) bond length is 1.28 Å. The C(17)-O(10) bond length is 1.07 Å. The C(17)-O(9) bond length is 1.23 Å. In the eighteenth C site, C(18) is bonded in a trigonal non-coplanar geometry to one C(17); one H(9); and two equivalent H(7,8) atoms. The C(18)-H(9) bond length is 0.96 Å. Both C(18)-H(7,8) bond lengths are 0.96 Å. In the nineteenth C site, C(19) is bonded to one N(3), one H(10), one H(11), and one H(12) atom to form corner-sharing CH3N tetrahedra. The C(19)-N(3) bond length is 1.51 Å. The C(19)-H(10) bond length is 0.96 Å. The C(19)-H(11) bond length is 0.96 Å. The C(19)-H(12) bond length is 0.96 Å. In the twentieth C site, C(20) is bonded to one N(3), one H(13), one H(14), and one H(15) atom to form corner-sharing CH3N tetrahedra. The C(20)-N(3) bond length is 1.39 Å. The C(20)-H(13) bond length is 0.96 Å. The C(20)-H(14) bond length is 0.96 Å. The C(20)-H(15) bond length is 0.96 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted bent 120 degrees geometry to one C(4) and one N(1) atom. The N(1)-N(1) bond length is 1.24 Å. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one C(15) and one N(2) atom. The N(2)-N(2) bond length is 1.24 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(17), one C(19), and one C(20) atom. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(14) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(16) atom. In the seventh H site, H(7,8) is bonded in a single-bond geometry to one C(18) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(18) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(19) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(19) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(19) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(20) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(20) atom. In the fourteenth H site, H(15) is bonded in a single-bond geometry to one C(20) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(8) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Zn(2) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Zn(2) and one C(8) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(9) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Zn(2) and one C(9) atom. In the seventh O site, O(7) is bonded in a distorted L-shaped geometry to one Zn(1) and one C(12) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Zn(1) and one C(12) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Zn(2), one C(17), and one O(10) atom. The O(9)-O(10) bond length is 0.83 Å. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Zn(2), one C(17), and one O(9) atom. Linkers: 4 [O]C(=O)c1cc([N][N]c2cc(C([O])=O)cc(C([O])=O)c2)cc(C([O])=O)c1. Metal clusters: 4 [O]O[Zn@]12O[C]O[Zn@](O[C]=O)(O[C]O1)O[C]O2. RCSR code: nou. The MOF has largest included sphere 7.08 A, density 0.97 g/cm3, surface area 4077.95 m2/g, accessible volume 0.53 cm3/g