CuC13N8H9 crystallizes in the monoclinic P2_1/c space group. Cu(1) is bonded in a tetrahedral geometry to one N(2), one N(3), one N(4), and one N(6) atom. The Cu(1)-N(2) bond length is 2.07 Å. The Cu(1)-N(3) bond length is 2.02 Å. The Cu(1)-N(4) bond length is 1.97 Å. The Cu(1)-N(6) bond length is 2.06 Å. There are thirteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(4), one C(7), and one H(1) atom. The C(1)-C(4) bond length is 1.41 Å. The C(1)-C(7) bond length is 1.40 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(13), one N(5), and one H(2) atom. The C(2)-C(13) bond length is 1.37 Å. The C(2)-N(5) bond length is 1.39 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4), one C(9), and one H(3) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(9) bond length is 1.39 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(5) atom. The C(4)-C(5) bond length is 1.46 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(3), and one N(4) atom. The C(5)-N(3) bond length is 1.35 Å. The C(5)-N(4) bond length is 1.35 Å. In the sixth C site, C(6) is bonded in a 3-coordinate geometry to one C(12), one N(1), and one H(4) atom. The C(6)-C(12) bond length is 1.38 Å. The C(6)-N(1) bond length is 1.39 Å. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(1), one C(10), and one N(5) atom. The C(7)-C(10) bond length is 1.40 Å. The C(7)-N(5) bond length is 1.42 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(5) atom. The C(8)-N(1) bond length is 1.37 Å. The C(8)-N(2) bond length is 1.32 Å. The C(8)-H(5) bond length is 1.08 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(3), and one N(1) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-N(1) bond length is 1.42 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one H(6) atom. The C(10)-H(6) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(7) atom. The C(11)-N(5) bond length is 1.37 Å. The C(11)-N(6) bond length is 1.32 Å. The C(11)-H(7) bond length is 1.08 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(6), one N(2), and one H(8) atom. The C(12)-N(2) bond length is 1.39 Å. The C(12)-H(8) bond length is 1.08 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(6), and one H(9) atom. The C(13)-N(6) bond length is 1.39 Å. The C(13)-H(9) bond length is 1.08 Å. There are eight inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(6), one C(8), and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1), one C(12), and one C(8) atom. In the third N site, N(3) is bonded in a 3-coordinate geometry to one Cu(1), one C(5), and one N(7) atom. The N(3)-N(7) bond length is 1.35 Å. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(5), and one N(8) atom. The N(4)-N(8) bond length is 1.35 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(11), one C(2), and one C(7) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Cu(1), one C(11), and one C(13) atom. In the seventh N site, N(7) is bonded in a water-like geometry to one N(3) and one N(8) atom. The N(7)-N(8) bond length is 1.31 Å. In the eighth N site, N(8) is bonded in a water-like geometry to one N(4) and one N(7) atom. There are nine 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 C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. 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(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(12) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(13) atom. Linkers: 4 c1cn(-c2cc(C3=NN=N[N]3)cc(-n3ccnc3)c2)cn1. Metal clusters: 4 [Cu]. The MOF has largest included sphere 4.22 A, density 1.39 g/cm3, surface area 4127.43 m2/g, accessible volume 0.27 cm3/g