Cu2C20H16(N2O3)3CH2(CH3CO)2 crystallizes in the triclinic P-1 space group. The structure consists of two 02329_fluka molecules and four dimethyl ether molecules inside a Cu2C20H16(N2O3)3 framework. In the Cu2C20H16(N2O3)3 framework, there are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a square pyramidal geometry to one N(1), one O(1), one O(2), one O(6), and one O(7) atom. The Cu(1)-N(1) bond length is 2.13 Å. The Cu(1)-O(1) bond length is 2.01 Å. The Cu(1)-O(2) bond length is 1.99 Å. The Cu(1)-O(6) bond length is 2.03 Å. The Cu(1)-O(7) bond length is 2.02 Å. In the second Cu site, Cu(2) is bonded in a distorted octahedral geometry to two equivalent N(6), two equivalent O(11), and two equivalent O(4) atoms. Both Cu(2)-N(6) bond lengths are 1.96 Å. Both Cu(2)-O(11) bond lengths are 2.51 Å. Both Cu(2)-O(4) bond lengths are 2.01 Å. In the third Cu site, Cu(3) is bonded in a square co-planar geometry to two equivalent O(11) and two equivalent O(9) atoms. Both Cu(3)-O(11) bond lengths are 1.94 Å. Both Cu(3)-O(9) bond lengths are 1.96 Å. There are twenty 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 1.40 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-C(7) bond length is 1.50 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(3) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(3) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(8) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(4) atom. The C(4)-H(4) bond length is 1.09 Å. In the fifth C site, C(6) is bonded in a distorted single-bond geometry to one C(1) and one H(5) atom. The C(6)-H(5) bond length is 1.09 Å. In the sixth 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 1.28 Å. The C(7)-O(2) bond length is 1.28 Å. In the seventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.27 Å. The C(8)-O(4) bond length is 1.29 Å. In the eighth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(15), and one C(16) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(15) bond length is 1.40 Å. The C(10)-C(16) bond length is 1.50 Å. In the ninth C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(12), and one H(9) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-H(9) bond length is 1.09 Å. In the tenth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(17) atom. The C(12)-C(13) bond length is 1.40 Å. The C(12)-C(17) bond length is 1.50 Å. In the eleventh C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(10) atom. The C(13)-H(10) bond length is 1.09 Å. In the twelfth C site, C(15) is bonded in a distorted single-bond geometry to one C(10) and one H(11) atom. The C(15)-H(11) bond length is 1.09 Å. In the thirteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(6), and one O(7) atom. The C(16)-O(6) bond length is 1.28 Å. The C(16)-O(7) bond length is 1.27 Å. In the fourteenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(8), and one O(9) atom. The C(17)-O(8) bond length is 1.26 Å. The C(17)-O(9) bond length is 1.30 Å. In the fifteenth C site, C(19) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(15) atom. The C(19)-N(1) bond length is 1.33 Å. The C(19)-N(2) bond length is 1.35 Å. The C(19)-H(15) bond length is 1.08 Å. In the sixteenth C site, C(20) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(16) atom. The C(20)-N(1) bond length is 1.36 Å. The C(20)-N(3) bond length is 1.33 Å. The C(20)-H(16) bond length is 1.08 Å. In the seventeenth C site, C(21) is bonded in a distorted trigonal non-coplanar geometry to one N(2), one H(17), and one H(18) atom. The C(21)-N(2) bond length is 1.45 Å. The C(21)-H(17) bond length is 1.10 Å. The C(21)-H(18) bond length is 1.10 Å. In the eighteenth C site, C(23) is bonded in a distorted trigonal non-coplanar geometry to one N(4), one H(21), and one H(22) atom. The C(23)-N(4) bond length is 1.45 Å. The C(23)-H(21) bond length is 1.10 Å. The C(23)-H(22) bond length is 1.10 Å. In the nineteenth C site, C(24) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(23) atom. The C(24)-N(5) bond length is 1.33 Å. The C(24)-N(6) bond length is 1.36 Å. The C(24)-H(23) bond length is 1.08 Å. In the twentieth C site, C(25) is bonded in a trigonal planar geometry to one N(4), one N(6), and one H(24) atom. The C(25)-N(4) bond length is 1.34 Å. The C(25)-N(6) bond length is 1.34 Å. The C(25)-H(24) bond length is 1.09 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(19), and one C(20) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one C(19), one C(21), and one N(3) atom. The N(2)-N(3) bond length is 1.36 Å. In the third N site, N(3) is bonded in a distorted water-like geometry to one C(20) and one N(2) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one C(23), one C(25), and one N(5) atom. The N(4)-N(5) bond length is 1.36 Å. In the fifth N site, N(5) is bonded in a distorted water-like geometry to one C(24) and one N(4) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one Cu(2), one C(24), and one C(25) atom. There are sixteen inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(11) and one O(8) atom. The H(1)-O(11) bond length is 1.02 Å. The H(1)-O(8) bond length is 1.56 Å. In the second H site, H(2) is bonded in a distorted linear geometry to one O(11) and one O(3) atom. The H(2)-O(11) bond length is 1.04 Å. The H(2)-O(3) bond length is 1.51 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(10) is bonded in a single-bond geometry to one C(13) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(15) atom. In the ninth H site, H(15) is bonded in a single-bond geometry to one C(19) atom. In the tenth H site, H(16) is bonded in a single-bond geometry to one C(20) atom. In the eleventh H site, H(17) is bonded in a single-bond geometry to one C(21) atom. In the twelfth H site, H(18) is bonded in a single-bond geometry to one C(21) atom. In the thirteenth H site, H(21) is bonded in a single-bond geometry to one C(23) atom. In the fourteenth H site, H(22) is bonded in a single-bond geometry to one C(23) atom. In the fifteenth H site, H(23) is bonded in a single-bond geometry to one C(24) atom. In the sixteenth H site, H(24) is bonded in a single-bond geometry to one C(25) atom. There are nine inequivalent O sites. In the first O site, O(8) is bonded in a water-like geometry to one C(17) and one H(1) atom. In the second O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Cu(3) and one C(17) atom. In the third O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Cu(2), one Cu(3), one H(1), and one H(2) atom. In the fourth O site, O(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(7) atom. In the fifth O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(7) atom. In the sixth O site, O(3) is bonded in a bent 120 degrees geometry to one C(8) and one H(2) atom. In the seventh O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(8) atom. In the eighth O site, O(6) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(16) atom. In the ninth O site, O(7) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(16) atom. Linkers: 4 COc1cc(C([O])=O)cc(C([O])=O)c1 ,1 [CH]1N=C[N]N1CCCn1cncn1 ,1 c1ncn(CCCn2cncn2)n1. Metal clusters: 1 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4 ,1 O=[C]O[Cu]O[C]=O ,1 O.O.O=[C]O[Cu]O[C]=O. The MOF has largest included sphere 4.23 A, density 1.55 g/cm3, surface area 4247.98 m2/g, accessible volume 0.21 cm3/g