CuC26H18(N2O)4 is Tungsten structured and crystallizes in the tetragonal P4_2/n space group. The structure is zero-dimensional and consists of four CuC26H18(N2O)4 clusters. Cu(1) is bonded in a square co-planar geometry to two equivalent N(2) and two equivalent N(3) atoms. Both Cu(1)-N(2) bond lengths are 2.02 Å. Both Cu(1)-N(3) bond lengths are 2.00 Å. There are thirteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(4), one C(8), and one N(1) atom. The C(1)-C(4) bond length is 1.40 Å. The C(1)-C(8) bond length is 1.38 Å. The C(1)-N(1) bond length is 1.42 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(1) atom. The C(2)-N(3) bond length is 1.32 Å. The C(2)-N(4) bond length is 1.34 Å. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(13), one C(8), and one C(9) atom. The C(3)-C(13) bond length is 1.50 Å. The C(3)-C(8) bond length is 1.39 Å. The C(3)-C(9) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(1) and one H(2) atom. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one N(4) atom. The C(5)-N(4) bond length is 1.44 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(3) atom. The C(6)-N(1) bond length is 1.35 Å. The C(6)-N(2) bond length is 1.32 Å. The C(6)-H(3) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(10), one N(2), and one H(4) atom. The C(7)-C(10) bond length is 1.35 Å. The C(7)-N(2) bond length is 1.39 Å. The C(7)-H(4) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(5) atom. The C(8)-H(5) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(3) and one H(6) atom. The C(9)-H(6) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(7), one N(1), and one H(7) atom. The C(10)-N(1) bond length is 1.38 Å. The C(10)-H(7) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(12), one N(3), and one H(8) atom. The C(11)-C(12) bond length is 1.34 Å. The C(11)-N(3) bond length is 1.37 Å. The C(11)-H(8) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a 3-coordinate geometry to one C(11), one N(4), and one H(9) atom. The C(12)-N(4) bond length is 1.38 Å. The C(12)-H(9) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(13)-O(1) bond length is 1.30 Å. The C(13)-O(2) bond length is 1.22 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(6) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1), one C(6), and one C(7) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cu(1), one C(11), and one C(2) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(12), one C(2), and one C(5) atom. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(9) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(12) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(13) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(13) atom. Linkers: 1 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Metal clusters: 2 [Cu]. The MOF has largest included sphere 8.84 A, density 0.90 g/cm3, surface area 4964.96 m2/g, accessible volume 0.74 cm3/g