CuC7NH9O7 crystallizes in the triclinic P1 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(1,2); one O(11); one O(13,14); one O(2); and one O(5) atom. The Cu(1)-N(1,2) bond length is 1.97 Å. The Cu(1)-O(11) bond length is 2.03 Å. The Cu(1)-O(13,14) bond length is 1.99 Å. The Cu(1)-O(2) bond length is 2.28 Å. The Cu(1)-O(5) bond length is 1.98 Å. In the second Cu site, Cu(2) is bonded in a trigonal bipyramidal geometry to one N(1,2); one O(1); one O(12); one O(13,14); and one O(6) atom. The Cu(2)-N(1,2) bond length is 1.97 Å. The Cu(2)-O(1) bond length is 2.28 Å. The Cu(2)-O(12) bond length is 2.03 Å. The Cu(2)-O(13,14) bond length is 1.99 Å. The Cu(2)-O(6) bond length is 1.98 Å. There are eleven inequivalent C sites. In the first C site, C(1,2) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(1), and one O(3) atom. The C(1,2)-C(7) bond length is 1.51 Å. The C(1,2)-O(1) bond length is 1.28 Å. The C(1,2)-O(3) bond length is 1.27 Å. In the second C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(5), and one O(7) atom. The C(3)-C(5) bond length is 1.50 Å. The C(3)-O(5) bond length is 1.29 Å. The C(3)-O(7) bond length is 1.25 Å. In the third C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(6), and one O(8) atom. The C(4)-C(6) bond length is 1.50 Å. The C(4)-O(6) bond length is 1.29 Å. The C(4)-O(8) bond length is 1.25 Å. In the fourth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3); one C(7); and one N(1,2) atom. The C(5)-C(7) bond length is 1.40 Å. The C(5)-N(1,2) bond length is 1.35 Å. In the fifth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(4); one C(8); and one N(1,2) atom. The C(6)-C(8) bond length is 1.40 Å. The C(6)-N(1,2) bond length is 1.35 Å. In the sixth C site, C(7) is bonded in a trigonal planar geometry to one C(1,2); one C(5); and one C(9,10) atom. The C(7)-C(9,10) bond length is 1.40 Å. In the seventh C site, C(8) is bonded in a trigonal planar geometry to one C(1,2); one C(6); and one C(9,10) atom. The C(8)-C(1,2) bond length is 1.51 Å. The C(8)-C(9,10) bond length is 1.40 Å. In the eighth C site, C(9,10) is bonded in a distorted single-bond geometry to one C(7) and one H(1,2) atom. The C(9,10)-H(1,2) bond length is 1.09 Å. In the ninth C site, C(11,12) is bonded in a distorted single-bond geometry to one C(13) and one H(3) atom. The C(11,12)-C(13) bond length is 1.39 Å. The C(11,12)-H(3) bond length is 1.09 Å. In the tenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(11,12); one N(1,2); and one H(5,6) atom. The C(13)-N(1,2) bond length is 1.34 Å. The C(13)-H(5,6) bond length is 1.09 Å. In the eleventh C site, C(14) is bonded in a distorted trigonal planar geometry to one C(11,12); one N(1,2); and one H(5,6) atom. The C(14)-C(11,12) bond length is 1.39 Å. The C(14)-N(1,2) bond length is 1.34 Å. The C(14)-H(5,6) bond length is 1.09 Å. N(1,2) is bonded in a trigonal planar geometry to one Cu(1), one C(13), and one C(5) atom. There are fifteen inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one C(9,10) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(11,12) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(11,12) atom. The H(4)-C(11,12) bond length is 1.09 Å. In the fourth H site, H(5,6) is bonded in a single-bond geometry to one C(13) atom. In the fifth H site, H(7) is bonded in a distorted single-bond geometry to one O(9) atom. The H(7)-O(9) bond length is 1.00 Å. In the sixth H site, H(8) is bonded in a distorted single-bond geometry to one O(10) atom. The H(8)-O(10) bond length is 1.00 Å. In the seventh H site, H(9) is bonded in a distorted single-bond geometry to one O(1) and one O(11) atom. The H(9)-O(1) bond length is 1.60 Å. The H(9)-O(11) bond length is 1.01 Å. In the eighth H site, H(10) is bonded in a distorted single-bond geometry to one O(12) and one O(2) atom. The H(10)-O(12) bond length is 1.01 Å. The H(10)-O(2) bond length is 1.60 Å. In the ninth H site, H(11) is bonded in a linear geometry to one O(10) and one O(11) atom. The H(11)-O(10) bond length is 1.46 Å. The H(11)-O(11) bond length is 1.05 Å. In the tenth H site, H(12) is bonded in a linear geometry to one O(12) and one O(9) atom. The H(12)-O(12) bond length is 1.05 Å. The H(12)-O(9) bond length is 1.46 Å. In the eleventh H site, H(13) is bonded in a single-bond geometry to one O(13,14) atom. The H(13)-O(13,14) bond length is 1.00 Å. In the twelfth H site, H(14) is bonded in a single-bond geometry to one O(13,14) atom. The H(14)-O(13,14) bond length is 1.00 Å. In the thirteenth H site, H(15,16) is bonded in a single-bond geometry to one O(13,14) atom. The H(15,16)-O(13,14) bond length is 1.01 Å. In the fourteenth H site, H(17) is bonded in a distorted single-bond geometry to one O(8) and one O(9) atom. The H(17)-O(8) bond length is 1.61 Å. The H(17)-O(9) bond length is 1.01 Å. In the fifteenth H site, H(18) is bonded in a distorted single-bond geometry to one O(10) and one O(7) atom. The H(18)-O(10) bond length is 1.01 Å. The H(18)-O(7) bond length is 1.61 Å. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Cu(2); one C(1,2); and one H(9) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Cu(1); one C(1,2); and one H(10) atom. The O(2)-C(1,2) bond length is 1.28 Å. In the third O site, O(3) is bonded in a distorted single-bond geometry to one C(1,2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one C(1,2) atom. The O(4)-C(1,2) bond length is 1.27 Å. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(3) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(4) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one C(3) and one H(18) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one C(4) and one H(17) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one H(12), one H(17), and one H(7) atom. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one H(11), one H(18), and one H(8) atom. In the eleventh O site, O(11) is bonded in a distorted water-like geometry to one Cu(1), one H(11), and one H(9) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one Cu(2), one H(10), and one H(12) atom. In the thirteenth O site, O(13,14) is bonded in a distorted water-like geometry to one Cu(1); one H(13); and one H(15,16) atom. Linkers: 2 [O]C(=O)c1cccnc1C([O])=O. Metal clusters: 2 [Cu]. The MOF has largest included sphere 2.55 A, density 1.88 g/cm3, surface area 3875.04 m2/g, accessible volume 0.11 cm3/g