CuC7NH4O5 crystallizes in the triclinic P1 space group. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a trigonal bipyramidal geometry to one N(1), one O(16), one O(17), one O(2), and one O(9) atom. The Cu(1)-N(1) bond length is 1.98 Å. The Cu(1)-O(16) bond length is 2.06 Å. The Cu(1)-O(17) bond length is 1.95 Å. The Cu(1)-O(2) bond length is 2.18 Å. The Cu(1)-O(9) bond length is 2.03 Å. In the second Cu site, Cu(2) is bonded in a trigonal bipyramidal geometry to one N(2), one O(1), one O(10), one O(15), and one O(18) atom. The Cu(2)-N(2) bond length is 1.98 Å. The Cu(2)-O(1) bond length is 2.19 Å. The Cu(2)-O(10) bond length is 2.03 Å. The Cu(2)-O(15) bond length is 2.06 Å. The Cu(2)-O(18) bond length is 1.95 Å. In the third Cu site, Cu(3) is bonded in a trigonal bipyramidal geometry to one N(3), one O(11), one O(14), one O(19), and one O(4) atom. The Cu(3)-N(3) bond length is 1.98 Å. The Cu(3)-O(11) bond length is 2.03 Å. The Cu(3)-O(14) bond length is 2.06 Å. The Cu(3)-O(19) bond length is 1.95 Å. The Cu(3)-O(4) bond length is 2.18 Å. In the fourth Cu site, Cu(4) is bonded in a trigonal bipyramidal geometry to one N(4), one O(12), one O(13), one O(20), and one O(3) atom. The Cu(4)-N(4) bond length is 1.98 Å. The Cu(4)-O(12) bond length is 2.03 Å. The Cu(4)-O(13) bond length is 2.05 Å. The Cu(4)-O(20) bond length is 1.95 Å. The Cu(4)-O(3) bond length is 2.19 Å. There are twenty-five inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(5), and one N(1) atom. The C(1)-C(2) bond length is 1.48 Å. The C(1)-C(5) bond length is 1.41 Å. The C(1)-N(1) bond length is 1.35 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(6), and one N(2) atom. The C(2)-C(6) bond length is 1.41 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 C(7), and one N(3) atom. The C(3)-C(4) bond length is 1.48 Å. The C(3)-C(7) bond length is 1.41 Å. The C(3)-N(3) bond length is 1.35 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(8), and one N(4) atom. The C(4)-C(8) bond length is 1.41 Å. The C(4)-N(4) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(1); one C(21); and one C(9,10,12) atom. The C(5)-C(21) bond length is 1.52 Å. The C(5)-C(9,10,12) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(2); one C(22); and one C(9,10,12) atom. The C(6)-C(22) bond length is 1.52 Å. The C(6)-C(9,10,12) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(11), one C(23), and one C(3) atom. The C(7)-C(11) bond length is 1.40 Å. The C(7)-C(23) bond length is 1.52 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(24); one C(4); and one C(9,10,12) atom. The C(8)-C(24) bond length is 1.52 Å. The C(8)-C(9,10,12) bond length is 1.40 Å. In the ninth C site, C(9,10,12) is bonded in a distorted single-bond geometry to one C(5) and one H(1,2,3,4) atom. The C(9,10,12)-H(1,2,3,4) bond length is 1.09 Å. In the tenth C site, C(11) is bonded in a distorted single-bond geometry to one C(7) and one H(1,2,3,4) atom. The C(11)-H(1,2,3,4) bond length is 1.09 Å. In the eleventh C site, C(13) is bonded in a distorted single-bond geometry to one C(17) and one H(5,6,7) atom. The C(13)-C(17) bond length is 1.39 Å. The C(13)-H(5,6,7) bond length is 1.09 Å. In the twelfth C site, C(14,15) is bonded in a distorted single-bond geometry to one C(18) and one H(5,6,7) atom. The C(14,15)-C(18) bond length is 1.39 Å. The C(14,15)-H(5,6,7) bond length is 1.09 Å. In the thirteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(20) and one H(8) atom. The C(16)-C(20) bond length is 1.39 Å. The C(16)-H(8) bond length is 1.09 Å. In the fourteenth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(13), one C(25), and one N(1) atom. The C(17)-C(25) bond length is 1.51 Å. The C(17)-N(1) bond length is 1.34 Å. In the fifteenth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(14,15); one C(26); and one N(2) atom. The C(18)-C(26) bond length is 1.51 Å. The C(18)-N(2) bond length is 1.35 Å. In the sixteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(14,15); one C(27); and one N(3) atom. The C(19)-C(14,15) bond length is 1.39 Å. The C(19)-C(27) bond length is 1.51 Å. The C(19)-N(3) bond length is 1.35 Å. In the seventeenth C site, C(20) is bonded in a distorted trigonal planar geometry to one C(16), one C(28), and one N(4) atom. The C(20)-C(28) bond length is 1.51 Å. The C(20)-N(4) bond length is 1.34 Å. In the eighteenth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(5) atom. The C(21)-O(1) bond length is 1.29 Å. The C(21)-O(5) bond length is 1.25 Å. In the nineteenth C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(2), and one O(6) atom. The C(22)-O(2) bond length is 1.29 Å. The C(22)-O(6) bond length is 1.25 Å. In the twentieth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(3), and one O(7) atom. The C(23)-O(3) bond length is 1.29 Å. The C(23)-O(7) bond length is 1.25 Å. In the twenty-first C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(4), and one O(8) atom. The C(24)-O(4) bond length is 1.29 Å. The C(24)-O(8) bond length is 1.25 Å. In the twenty-second C site, C(25) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(13), and one O(9) atom. The C(25)-O(13) bond length is 1.27 Å. The C(25)-O(9) bond length is 1.27 Å. In the twenty-third C site, C(26) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(10), and one O(14) atom. The C(26)-O(10) bond length is 1.27 Å. The C(26)-O(14) bond length is 1.27 Å. In the twenty-fourth C site, C(27) is bonded in a distorted bent 120 degrees geometry to one C(19), one O(11), and one O(15) atom. The C(27)-O(11) bond length is 1.27 Å. The C(27)-O(15) bond length is 1.27 Å. In the twenty-fifth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(20), one O(12), and one O(16) atom. The C(28)-O(12) bond length is 1.27 Å. The C(28)-O(16) bond length is 1.26 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(1), one C(1), and one C(17) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(2), one C(18), and one C(2) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cu(3), one C(19), and one C(3) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cu(4), one C(20), and one C(4) atom. There are eleven inequivalent H sites. In the first H site, H(1,2,3,4) is bonded in a single-bond geometry to one C(9,10,12) atom. In the second H site, H(5,6,7) is bonded in a single-bond geometry to one C(13) atom. In the third H site, H(8) is bonded in a single-bond geometry to one C(16) atom. In the fourth H site, H(9) is bonded in a distorted single-bond geometry to one O(17) and one O(4) atom. The H(9)-O(17) bond length is 1.01 Å. The H(9)-O(4) bond length is 1.64 Å. In the fifth H site, H(10) is bonded in a distorted single-bond geometry to one O(18) and one O(3) atom. The H(10)-O(18) bond length is 1.01 Å. The H(10)-O(3) bond length is 1.63 Å. In the sixth H site, H(11) is bonded in a distorted single-bond geometry to one O(19) and one O(2) atom. The H(11)-O(19) bond length is 1.02 Å. The H(11)-O(2) bond length is 1.63 Å. In the seventh H site, H(12) is bonded in a distorted single-bond geometry to one O(1) and one O(20) atom. The H(12)-O(1) bond length is 1.64 Å. The H(12)-O(20) bond length is 1.01 Å. In the eighth H site, H(13) is bonded in a single-bond geometry to one O(17) atom. The H(13)-O(17) bond length is 0.98 Å. In the ninth H site, H(14) is bonded in a single-bond geometry to one O(18) atom. The H(14)-O(18) bond length is 0.98 Å. In the tenth H site, H(15) is bonded in a single-bond geometry to one O(19) atom. The H(15)-O(19) bond length is 0.98 Å. In the eleventh H site, H(16) is bonded in a single-bond geometry to one O(20) atom. The H(16)-O(20) bond length is 0.98 Å. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(21), and one H(12) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(22), and one H(11) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Cu(4), one C(23), and one H(10) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Cu(3), one C(24), and one H(9) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(21) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(22) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one C(23) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one C(24) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(25) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(26) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Cu(3) and one C(27) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Cu(4) and one C(28) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one Cu(4) and one C(25) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Cu(3) and one C(26) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Cu(2) and one C(27) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one Cu(1) and one C(28) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal non-coplanar geometry to one Cu(1), one H(13), and one H(9) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one Cu(2), one H(10), and one H(14) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal non-coplanar geometry to one Cu(3), one H(11), and one H(15) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal non-coplanar geometry to one Cu(4), one H(12), and one H(16) atom. Linkers: 2 [O]C(=O)c1ccc(C([O])=O)c(-c2nc(C([O])=O)ccc2C([O])=O)n1. Metal clusters: 4 [Cu]. The MOF has largest included sphere 2.11 A, density 2.28 g/cm3, surface area 2446.20 m2/g, accessible volume 0.09 cm3/g