Cu4C14N12H16O crystallizes in the monoclinic C2/c space group. There are five inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted T-shaped geometry to one N(12), one N(2), and one N(9) atom. The Cu(1)-N(12) bond length is 2.07 Å. The Cu(1)-N(2) bond length is 1.91 Å. The Cu(1)-N(9) bond length is 1.94 Å. In the second Cu site, Cu(2) is bonded in a distorted T-shaped geometry to one N(11), one N(3), and one N(4) atom. The Cu(2)-N(11) bond length is 1.89 Å. The Cu(2)-N(3) bond length is 2.08 Å. The Cu(2)-N(4) bond length is 1.91 Å. In the third Cu site, Cu(3) is bonded in a distorted trigonal planar geometry to one N(10), one N(5), and one N(8) atom. The Cu(3)-N(10) bond length is 1.95 Å. The Cu(3)-N(5) bond length is 1.93 Å. The Cu(3)-N(8) bond length is 2.00 Å. In the fourth Cu site, Cu(4) is bonded in a linear geometry to two equivalent N(1) atoms. Both Cu(4)-N(1) bond lengths are 1.86 Å. In the fifth Cu site, Cu(5) is bonded in a tetrahedral geometry to two equivalent N(6) and two equivalent N(7) atoms. Both Cu(5)-N(6) bond lengths are 2.02 Å. Both Cu(5)-N(7) bond lengths are 2.05 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal non-coplanar geometry to one C(2); one H(1); and two equivalent H(2,3) atoms. The C(1)-C(2) bond length is 1.52 Å. The C(1)-H(1) bond length is 0.98 Å. Both C(1)-H(2,3) bond lengths are 0.98 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one N(1), and one N(2) atom. The C(2)-N(1) bond length is 1.32 Å. The C(2)-N(2) bond length is 1.35 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one N(3) atom. The C(3)-C(4) bond length is 1.47 Å. The C(3)-N(1) bond length is 1.35 Å. The C(3)-N(3) bond length is 1.32 Å. In the fourth C site, C(4) is bonded in a distorted water-like geometry to one C(3), one C(5), one H(4), and one H(5) atom. The C(4)-C(5) bond length is 1.48 Å. The C(4)-H(4) bond length is 0.98 Å. The C(4)-H(5) bond length is 0.99 Å. In the fifth C site, C(6) is bonded in a trigonal planar geometry to one C(7), one N(4), and one N(6) atom. The C(6)-C(7) bond length is 1.51 Å. The C(6)-N(4) bond length is 1.35 Å. The C(6)-N(6) bond length is 1.29 Å. In the sixth C site, C(7) is bonded in a trigonal non-coplanar geometry to one C(6); one H(6); and two equivalent H(7,8) atoms. The C(7)-H(6) bond length is 0.98 Å. Both C(7)-H(7,8) bond lengths are 0.98 Å. In the seventh C site, C(8) is bonded in a trigonal non-coplanar geometry to one C(9) and three equivalent H(9,10,11) atoms. The C(8)-C(9) bond length is 1.50 Å. All C(8)-H(9,10,11) bond lengths are 0.98 Å. In the eighth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(8), one N(8), and one N(9) atom. The C(9)-N(8) bond length is 1.30 Å. The C(9)-N(9) bond length is 1.37 Å. In the ninth C site, C(10) is bonded in a 2-coordinate geometry to one N(7) and one N(9) atom. The C(10)-N(7) bond length is 1.29 Å. The C(10)-N(9) bond length is 1.37 Å. In the tenth C site, C(11) is bonded in a water-like geometry to one C(12), one H(12), and one H(13) atom. The C(11)-C(12) bond length is 1.45 Å. The C(11)-H(12) bond length is 0.99 Å. The C(11)-H(13) bond length is 0.99 Å. In the eleventh C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11), one N(10), and one N(12) atom. The C(12)-N(10) bond length is 1.35 Å. The C(12)-N(12) bond length is 1.32 Å. In the twelfth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(14), one N(10), and one N(11) atom. The C(13)-C(14) bond length is 1.47 Å. The C(13)-N(10) bond length is 1.34 Å. The C(13)-N(11) bond length is 1.35 Å. In the thirteenth C site, C(14) is bonded in a trigonal non-coplanar geometry to one C(13) and three equivalent H(14,15,16) atoms. All C(14)-H(14,15,16) bond lengths are 0.98 Å. In the fourteenth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(4), and one N(5) atom. The C(5)-N(4) bond length is 1.34 Å. The C(5)-N(5) bond length is 1.32 Å. There are twelve inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(4), one C(2), and one C(3) atom. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Cu(1), one C(2), and one N(3) atom. The N(2)-N(3) bond length is 1.35 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(3), and one N(2) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cu(2), one C(5), and one C(6) atom. In the fifth N site, N(5) is bonded in a 3-coordinate geometry to one Cu(3), one C(5), and one N(6) atom. The N(5)-N(6) bond length is 1.39 Å. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one Cu(5), one C(6), and one N(5) atom. In the seventh N site, N(7) is bonded in a 3-coordinate geometry to one Cu(5), one C(10), and one N(8) atom. The N(7)-N(8) bond length is 1.42 Å. In the eighth N site, N(8) is bonded in a 3-coordinate geometry to one Cu(3), one C(9), and one N(7) atom. In the ninth N site, N(9) is bonded in a trigonal planar geometry to one Cu(1), one C(10), and one C(9) atom. In the tenth N site, N(10) is bonded in a distorted trigonal planar geometry to one Cu(3), one C(12), and one C(13) atom. In the eleventh N site, N(11) is bonded in a 3-coordinate geometry to one Cu(2), one C(13), and one N(12) atom. The N(11)-N(12) bond length is 1.37 Å. In the twelfth N site, N(12) is bonded in a 3-coordinate geometry to one Cu(1), one C(12), and one N(11) atom. There are ten 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(2,3) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(4) is bonded in an L-shaped geometry to one C(4) and one O(1) atom. The H(4)-O(1) bond length is 0.73 Å. In the fourth H site, H(5) is bonded in a 2-coordinate geometry to one C(4) and one O(1) atom. The H(5)-O(1) bond length is 1.28 Å. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(7,8) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(9,10,11) is bonded in a single-bond geometry to one C(8) atom. In the eighth H site, H(12) is bonded in a single-bond geometry to one C(11) atom. In the ninth H site, H(13) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(14,15,16) is bonded in a single-bond geometry to one C(14) atom. O(1) is bonded in a 1-coordinate geometry to one H(4) and one H(5) atom. Linkers: 1 CC1=NN=[C][N]1.CC1=N[C]=N[N]1.[CH].[OH] ,6 CC1=N[C]=N[N]1.CC1=N[C]=N[N]1.[CH].[OH] ,6 CC1=NN=C([N]1)CC1=[N]=C(N=N1)C ,1 CC1=NC(=N[N]1)CC1=[N]=C(N=N1)C ,1 CC1=NC(CC2=N[C]=N[N]2)=N[N]1 ,1 O[C@@H](C1=[N]=C(N=N1)C)C1=[N]=C(N=N1)C. Metal clusters: 7 N1=N[Cu]=NN=[Cu]1 ,2 N1=N[Cu]2(N=N[Cu]1)N=N[Cu]N=N2 ,1 C[C]1N2[Cu]N=N[Cu]3(N=N[Cu]N=N3)N2[C]2C/C(=N\[Cu]3N=N[Cu]4(N=N[Cu]N=N4)N=N3)N3N=[Cu]N=N[Cu]3N12 ,4 [Cu]. The MOF has largest included sphere 5.60 A, density 1.66 g/cm3, surface area 3346.37 m2/g, accessible volume 0.26 cm3/g