CuC6N8H8O crystallizes in the monoclinic P2_1 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a trigonal bipyramidal geometry to one N(1), one N(15), one N(8), one N(9), and one O(1) atom. The Cu(1)-N(1) bond length is 1.95 Å. The Cu(1)-N(15) bond length is 1.99 Å. The Cu(1)-N(8) bond length is 1.98 Å. The Cu(1)-N(9) bond length is 1.96 Å. The Cu(1)-O(1) bond length is 2.44 Å. In the second Cu site, Cu(2) is bonded in a trigonal bipyramidal geometry to one N(10), one N(16), one N(2), one N(7), and one O(2) atom. The Cu(2)-N(10) bond length is 1.96 Å. The Cu(2)-N(16) bond length is 1.99 Å. The Cu(2)-N(2) bond length is 1.95 Å. The Cu(2)-N(7) bond length is 1.98 Å. The Cu(2)-O(2) bond length is 2.43 Å. There are eleven inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(3,4); one N(1); and one N(7) atom. The C(1)-C(3,4) bond length is 1.49 Å. The C(1)-N(1) bond length is 1.34 Å. The C(1)-N(7) bond length is 1.34 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(3,4); one N(2); and one N(8) atom. The C(2)-C(3,4) bond length is 1.49 Å. The C(2)-N(2) bond length is 1.34 Å. The C(2)-N(8) bond length is 1.34 Å. In the third C site, C(3,4) is bonded in a distorted water-like geometry to one C(1), one H(1), and one H(3) atom. The C(3,4)-H(1) bond length is 1.10 Å. The C(3,4)-H(3) bond length is 1.10 Å. In the fourth C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one H(5), one H(7), and one O(1) atom. The C(5)-H(5) bond length is 1.10 Å. The C(5)-H(7) bond length is 1.10 Å. The C(5)-O(1) bond length is 1.44 Å. In the fifth C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one H(6), one H(8), and one O(2) atom. The C(6)-H(6) bond length is 1.10 Å. The C(6)-H(8) bond length is 1.10 Å. The C(6)-O(2) bond length is 1.44 Å. In the sixth C site, C(7) is bonded in a distorted trigonal non-coplanar geometry to two equivalent H(9,11) and one O(1) atom. Both C(7)-H(9,11) bond lengths are 1.10 Å. The C(7)-O(1) bond length is 1.44 Å. In the seventh C site, C(8) is bonded in a distorted trigonal non-coplanar geometry to two equivalent H(10,12) and one O(2) atom. Both C(8)-H(10,12) bond lengths are 1.10 Å. The C(8)-O(2) bond length is 1.44 Å. In the eighth C site, C(9) is bonded in a distorted water-like geometry to one C(11); one H(13,14); and one H(15,16) atom. The C(9)-C(11) bond length is 1.49 Å. The C(9)-H(13,14) bond length is 1.10 Å. The C(9)-H(15,16) bond length is 1.10 Å. In the ninth C site, C(10) is bonded in a distorted water-like geometry to one C(12); one H(13,14); and one H(15,16) atom. The C(10)-C(12) bond length is 1.49 Å. The C(10)-H(13,14) bond length is 1.10 Å. The C(10)-H(15,16) bond length is 1.10 Å. In the tenth C site, C(11) is bonded in a distorted trigonal planar geometry to one C(9), one N(15), and one N(9) atom. The C(11)-N(15) bond length is 1.34 Å. The C(11)-N(9) bond length is 1.34 Å. In the eleventh C site, C(12) is bonded in a distorted trigonal planar geometry to one C(10), one N(10), and one N(16) atom. The C(12)-N(10) bond length is 1.34 Å. The C(12)-N(16) bond length is 1.34 Å. There are sixteen inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(1), and one N(3) atom. The N(1)-N(3) bond length is 1.35 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(2), and one N(4) atom. The N(2)-N(4) bond length is 1.35 Å. In the third N site, N(3) is bonded in a water-like geometry to one N(1) and one N(5) atom. The N(3)-N(5) bond length is 1.30 Å. In the fourth N site, N(4) is bonded in a water-like geometry to one N(2) and one N(6) atom. The N(4)-N(6) bond length is 1.31 Å. In the fifth N site, N(5) is bonded in a water-like geometry to one N(3) and one N(7) atom. The N(5)-N(7) bond length is 1.36 Å. In the sixth N site, N(6) is bonded in a water-like geometry to one N(4) and one N(8) atom. The N(6)-N(8) bond length is 1.36 Å. In the seventh N site, N(7) is bonded in a 3-coordinate geometry to one Cu(2), one C(1), and one N(5) atom. In the eighth N site, N(8) is bonded in a 3-coordinate geometry to one Cu(1), one C(2), and one N(6) atom. In the ninth N site, N(9) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(11), and one N(11) atom. The N(9)-N(11) bond length is 1.36 Å. In the tenth N site, N(10) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(12), and one N(12) atom. The N(10)-N(12) bond length is 1.36 Å. In the eleventh N site, N(11) is bonded in a water-like geometry to one N(13) and one N(9) atom. The N(11)-N(13) bond length is 1.31 Å. In the twelfth N site, N(12) is bonded in a water-like geometry to one N(10) and one N(14) atom. The N(12)-N(14) bond length is 1.31 Å. In the thirteenth N site, N(13) is bonded in a water-like geometry to one N(11) and one N(15) atom. The N(13)-N(15) bond length is 1.36 Å. In the fourteenth N site, N(14) is bonded in a water-like geometry to one N(12) and one N(16) atom. The N(14)-N(16) bond length is 1.36 Å. In the fifteenth N site, N(15) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(11), and one N(13) atom. In the sixteenth N site, N(16) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(12), and one N(14) atom. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3,4) atom. In the second H site, H(2,4) is bonded in a single-bond geometry to one C(3,4) atom. The H(2,4)-C(3,4) bond length is 1.10 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(3,4) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(5) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(6) atom. In the eighth H site, H(9,11) is bonded in a single-bond geometry to one C(7) atom. In the ninth H site, H(10,12) is bonded in a single-bond geometry to one C(8) atom. In the tenth H site, H(13,14) is bonded in a single-bond geometry to one C(9) atom. In the eleventh H site, H(15,16) is bonded in a single-bond geometry to one C(9) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cu(1), one C(5), and one C(7) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(6), and one C(8) atom. Linkers: 4 C(CC1=NN=N[N]1)OCCC1=NN=N[N]1. Metal clusters: 4 [Cu]. The MOF has largest included sphere 4.98 A, density 1.50 g/cm3, surface area 4146.64 m2/g, accessible volume 0.28 cm3/g