Zn2C20N22H14O crystallizes in the monoclinic C2/c space group. Zn(1) is bonded to one N(1), one N(10), one N(2), one N(6), one N(7), and one O(1) atom to form corner-sharing ZnN5O octahedra. The corner-sharing octahedral tilt angles are 76°. The Zn(1)-N(1) bond length is 2.21 Å. The Zn(1)-N(10) bond length is 2.12 Å. The Zn(1)-N(2) bond length is 2.12 Å. The Zn(1)-N(6) bond length is 2.19 Å. The Zn(1)-N(7) bond length is 2.14 Å. The Zn(1)-O(1) bond length is 2.25 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(1) atom. The C(1)-N(5) bond length is 1.35 Å. The C(1)-N(6) bond length is 1.33 Å. The C(1)-H(1) bond length is 1.08 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(3), one C(4), and one N(5) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-C(4) bond length is 1.44 Å. The C(2)-N(5) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one N(6) atom. The C(3)-C(5) bond length is 1.44 Å. The C(3)-N(6) bond length is 1.38 Å. In the fourth C site, C(4) is bonded in a distorted water-like geometry to one C(2), one N(1), and one N(4) atom. The C(4)-N(1) bond length is 1.35 Å. The C(4)-N(4) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a distorted water-like geometry to one C(3), one N(10), and one N(7) atom. The C(5)-N(10) bond length is 1.34 Å. The C(5)-N(7) bond length is 1.35 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(7), one N(11), and one H(4) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-N(11) bond length is 1.34 Å. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6), one C(8), and one H(5) atom. The C(7)-C(8) bond length is 1.40 Å. The C(7)-H(5) bond length is 1.08 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(7), one C(8), and one C(9) atom. The C(8)-C(8) bond length is 1.48 Å. The C(8)-C(9) bond length is 1.41 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(6) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-H(6) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(9), one N(11), and one H(7) atom. The C(10)-N(11) bond length is 1.35 Å. The C(10)-H(7) bond length is 1.09 Å. There are eleven inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Zn(1), one C(4), and one N(2) atom. The N(1)-N(2) bond length is 1.35 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one N(1), and one N(3) atom. The N(2)-N(3) bond length is 1.31 Å. In the third N site, N(3) is bonded in a water-like geometry to one N(2) and one N(4) atom. The N(3)-N(4) bond length is 1.34 Å. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one C(4), one N(3), and one H(2) atom. The N(4)-H(2) bond length is 1.76 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(1), one C(2), and one H(2) atom. The N(5)-H(2) bond length is 1.05 Å. In the sixth N site, N(6) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one C(1), and one C(3) atom. In the seventh N site, N(7) is bonded in a 3-coordinate geometry to one Zn(1), one C(5), and one N(8) atom. The N(7)-N(8) bond length is 1.34 Å. In the eighth N site, N(8) is bonded in a water-like geometry to one N(7) and one N(9) atom. The N(8)-N(9) bond length is 1.31 Å. In the ninth N site, N(9) is bonded in a water-like geometry to one N(10) and one N(8) atom. The N(9)-N(10) bond length is 1.36 Å. In the tenth N site, N(10) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(5), and one N(9) atom. In the eleventh N site, N(11) is bonded in a trigonal planar geometry to one C(10), one C(6), and one H(3) atom. The N(11)-H(3) bond length is 1.66 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(4) and one N(5) atom. In the third H site, H(3) is bonded in a distorted single-bond geometry to one N(11) and one O(1) atom. The H(3)-O(1) bond length is 1.02 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(9) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(10) atom. O(1) is bonded in a distorted water-like geometry to two equivalent Zn(1) and two equivalent H(3) atoms. Linkers: 4 c1nc(C2=NN=N[N]2)c(C2=NN=N[N]2)[nH]1. Metal clusters: 2 O.[N]1[N][Zn][N][N][Zn]1. The MOF has largest included sphere 2.38 A, density 1.84 g/cm3, surface area 3783.48 m2/g, accessible volume 0.11 cm3/g