Cu3C14H18(N3O7)2 crystallizes in the triclinic P1 space group. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted octahedral geometry to one N(1), one N(2), one O(1), one O(13), one O(14), and one O(2) atom. The Cu(1)-N(1) bond length is 1.99 Å. The Cu(1)-N(2) bond length is 1.99 Å. The Cu(1)-O(1) bond length is 1.99 Å. The Cu(1)-O(13) bond length is 2.57 Å. The Cu(1)-O(14) bond length is 2.50 Å. The Cu(1)-O(2) bond length is 2.00 Å. In the second Cu site, Cu(2) is bonded in a trigonal bipyramidal geometry to one N(3), one N(5), one O(11), one O(5), and one O(9) atom. The Cu(2)-N(3) bond length is 1.97 Å. The Cu(2)-N(5) bond length is 2.01 Å. The Cu(2)-O(11) bond length is 2.03 Å. The Cu(2)-O(5) bond length is 2.10 Å. The Cu(2)-O(9) bond length is 2.13 Å. In the third Cu site, Cu(3) is bonded in a trigonal bipyramidal geometry to one N(4), one N(6), one O(10), one O(12), and one O(6) atom. The Cu(3)-N(4) bond length is 1.97 Å. The Cu(3)-N(6) bond length is 2.01 Å. The Cu(3)-O(10) bond length is 2.28 Å. The Cu(3)-O(12) bond length is 2.00 Å. The Cu(3)-O(6) bond length is 2.04 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(3), one C(7), and one N(1) atom. The C(1)-C(3) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.47 Å. The C(1)-N(1) bond length is 1.37 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(4), one C(8), and one N(2) atom. The C(2)-C(4) bond length is 1.40 Å. The C(2)-C(8) bond length is 1.47 Å. The C(2)-N(2) bond length is 1.37 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(5) atom. The C(3)-C(5) bond length is 1.40 Å. The C(3)-H(5) bond length is 1.08 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(6) atom. The C(4)-C(6) bond length is 1.40 Å. The C(4)-H(6) bond length is 1.08 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3), one C(9), and one N(3) atom. The C(5)-C(9) bond length is 1.47 Å. The C(5)-N(3) bond length is 1.37 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(10), one C(4), and one N(4) atom. The C(6)-C(10) bond length is 1.47 Å. The C(6)-N(4) bond length is 1.37 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(3) atom. The C(7)-O(1) bond length is 1.31 Å. The C(7)-O(3) bond length is 1.25 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(2), and one O(4) atom. The C(8)-O(2) bond length is 1.31 Å. The C(8)-O(4) bond length is 1.25 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(5), and one O(7) atom. The C(9)-O(5) bond length is 1.28 Å. The C(9)-O(7) bond length is 1.28 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(6), and one O(8) atom. The C(10)-O(6) bond length is 1.29 Å. The C(10)-O(8) bond length is 1.27 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(14), one N(5), and one H(1) atom. The C(11)-C(14) bond length is 1.39 Å. The C(11)-N(5) bond length is 1.35 Å. The C(11)-H(1) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(13), one N(6), and one H(2) atom. The C(12)-C(13) bond length is 1.39 Å. The C(12)-N(6) bond length is 1.34 Å. The C(12)-H(2) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(12), one N(5), and one H(3) atom. The C(13)-N(5) bond length is 1.34 Å. The C(13)-H(3) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(11), one N(6), and one H(4) atom. The C(14)-N(6) bond length is 1.34 Å. The C(14)-H(4) bond length is 1.09 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Cu(1), one C(1), and one N(3) atom. The N(1)-N(3) bond length is 1.33 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Cu(1), one C(2), and one N(4) atom. The N(2)-N(4) bond length is 1.33 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(5), and one N(1) atom. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one Cu(3), one C(6), and one N(2) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Cu(2), one C(11), and one C(13) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Cu(3), one C(12), and one C(14) atom. There are eighteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(11) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(12) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(13) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(14) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(4) atom. In the seventh H site, H(7) is bonded in a distorted linear geometry to one O(11) and one O(2) atom. The H(7)-O(11) bond length is 1.01 Å. The H(7)-O(2) bond length is 1.57 Å. In the eighth H site, H(8) is bonded in a linear geometry to one O(1) and one O(12) atom. The H(8)-O(1) bond length is 1.54 Å. The H(8)-O(12) bond length is 1.02 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(11) and one O(8) atom. The H(9)-O(11) bond length is 1.00 Å. The H(9)-O(8) bond length is 1.71 Å. In the tenth H site, H(10) is bonded in a distorted single-bond geometry to one O(12) and one O(7) atom. The H(10)-O(12) bond length is 1.00 Å. The H(10)-O(7) bond length is 1.68 Å. In the eleventh H site, H(11) is bonded in a distorted linear geometry to one O(14) and one O(9) atom. The H(11)-O(14) bond length is 1.65 Å. The H(11)-O(9) bond length is 1.01 Å. In the twelfth H site, H(12) is bonded in a linear geometry to one O(10) and one O(13) atom. The H(12)-O(10) bond length is 1.03 Å. The H(12)-O(13) bond length is 1.54 Å. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(13) and one O(4) atom. The H(13)-O(13) bond length is 1.00 Å. The H(13)-O(4) bond length is 1.67 Å. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one O(14) and one O(3) atom. The H(14)-O(14) bond length is 1.00 Å. The H(14)-O(3) bond length is 1.68 Å. In the fifteenth H site, H(15) is bonded in a distorted single-bond geometry to one O(13) and one O(7) atom. The H(15)-O(13) bond length is 1.00 Å. The H(15)-O(7) bond length is 1.69 Å. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(14) and one O(8) atom. The H(16)-O(14) bond length is 1.00 Å. The H(16)-O(8) bond length is 1.70 Å. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one O(9) atom. The H(17)-O(9) bond length is 0.99 Å. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one O(10) atom. The H(18)-O(10) bond length is 0.97 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Cu(1), one C(7), and one H(8) atom. In the second O site, O(2) is bonded in a trigonal non-coplanar geometry to one Cu(1), one C(8), and one H(7) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one C(7) and one H(14) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one C(8) and one H(13) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cu(2) and one C(9) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cu(3) and one C(10) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one C(9), one H(10), and one H(15) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one C(10), one H(16), and one H(9) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Cu(2), one H(11), and one H(17) atom. In the tenth O site, O(10) is bonded in a distorted water-like geometry to one Cu(3), one H(12), and one H(18) atom. In the eleventh O site, O(11) is bonded in a distorted water-like geometry to one Cu(2), one H(7), and one H(9) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one Cu(3), one H(10), and one H(8) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Cu(1), one H(12), one H(13), and one H(15) atom. In the fourteenth O site, O(14) is bonded in a distorted water-like geometry to one Cu(1), one H(11), one H(14), and one H(16) atom. Linkers: 1 c1cnccn1 ,1 [O]C(=O)[C]1C=C(C([O])=O)N=N1 ,1 [O]C(=O)C1=NN=C(C([O])=O)[CH]1. Metal clusters: 3 [Cu]. The MOF has largest included sphere 2.44 A, density 2.09 g/cm3, surface area 3536.26 m2/g, accessible volume 0.09 cm3/g