Cu2C18N7H9O8CH crystallizes in the triclinic P-1 space group. The structure consists of two 02329_fluka molecules inside a Cu2C18N7H9O8 framework. In the Cu2C18N7H9O8 framework, there are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to one N(1), one O(1), one O(6), and one O(7) atom. The Cu(1)-N(1) bond length is 2.04 Å. The Cu(1)-O(1) bond length is 2.04 Å. The Cu(1)-O(6) bond length is 1.96 Å. The Cu(1)-O(7) bond length is 1.96 Å. In the second Cu site, Cu(2) is bonded in a tetrahedral geometry to one N(2), one N(6), one N(7), and one O(8) atom. The Cu(2)-N(2) bond length is 1.96 Å. The Cu(2)-N(6) bond length is 1.96 Å. The Cu(2)-N(7) bond length is 1.96 Å. The Cu(2)-O(8) bond length is 2.23 Å. There are eighteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.51 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(8) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(8) bond length is 1.48 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(9) atom. The C(4)-C(5) bond length is 1.41 Å. The C(4)-C(9) bond length is 1.51 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(6) atom. The C(5)-C(10) bond length is 1.51 Å. The C(5)-C(6) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(2) atom. The C(6)-H(2) bond length is 1.09 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(2) atom. The C(7)-O(1) bond length is 1.30 Å. The C(7)-O(2) 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(3), and one O(4) atom. The C(8)-O(3) bond length is 1.23 Å. The C(8)-O(4) bond length is 1.34 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(5), and one O(6) atom. The C(9)-O(5) bond length is 1.25 Å. The C(9)-O(6) bond length is 1.30 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(7), and one O(8) atom. The C(10)-O(7) bond length is 1.28 Å. The C(10)-O(8) bond length is 1.26 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(3) atom. The C(11)-N(1) bond length is 1.32 Å. The C(11)-N(3) bond length is 1.36 Å. The C(11)-H(3) bond length is 1.08 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(4) atom. The C(12)-N(2) bond length is 1.32 Å. The C(12)-N(3) bond length is 1.37 Å. The C(12)-H(4) bond length is 1.08 Å. In the thirteenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(14), one N(3), and one N(4) atom. The C(13)-C(14) bond length is 1.39 Å. The C(13)-N(3) bond length is 1.43 Å. The C(13)-N(4) bond length is 1.33 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(13) and one H(5) atom. The C(14)-H(5) bond length is 1.09 Å. In the fifteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(17) and one H(7) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-H(7) bond length is 1.09 Å. In the sixteenth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(16), one N(4), and one N(5) atom. The C(17)-N(4) bond length is 1.33 Å. The C(17)-N(5) bond length is 1.42 Å. In the seventeenth C site, C(18) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(8) atom. The C(18)-N(5) bond length is 1.37 Å. The C(18)-N(6) bond length is 1.32 Å. The C(18)-H(8) bond length is 1.08 Å. In the eighteenth C site, C(19) is bonded in a trigonal planar geometry to one N(5), one N(7), and one H(9) atom. The C(19)-N(5) bond length is 1.37 Å. The C(19)-N(7) bond length is 1.32 Å. The C(19)-H(9) bond length is 1.08 Å. There are seven inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(11), and one N(2) atom. The N(1)-N(2) bond length is 1.39 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(12), and one N(1) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(13) atom. In the fourth N site, N(4) is bonded in a bent 120 degrees geometry to one C(13) and one C(17) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(17), one C(18), and one C(19) atom. In the sixth N site, N(6) is bonded in a 3-coordinate geometry to one Cu(2), one C(18), and one N(7) atom. The N(6)-N(7) bond length is 1.39 Å. In the seventh N site, N(7) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(19), and one N(6) atom. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(12) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(14) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(16) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(18) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(19) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one O(4) atom. The H(10)-O(4) bond length is 1.00 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Cu(1) and one C(7) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(7) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(8) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one C(8) and one H(10) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Cu(1) and one C(9) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(10) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(10) atom. Linkers: 2 [O]C(=O)c1cc(C([O])=O)c(C(=O)O)cc1C([O])=O ,2 c1cc(-n2cnnc2)nc(-n2cnnc2)c1. Metal clusters: 4 [Cu]. The MOF has largest included sphere 2.68 A, density 2.05 g/cm3, surface area 3299.30 m2/g, accessible volume 0.09 cm3/g