CuC14H4O5 crystallizes in the tetragonal I4_122 space group. Cu(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one O(4) atom. The Cu(1)-O(1) bond length is 1.94 Å. The Cu(1)-O(2) bond length is 1.99 Å. The Cu(1)-O(3) bond length is 2.00 Å. The Cu(1)-O(4) bond length is 1.95 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(12) atom. The C(2)-C(10) bond length is 1.37 Å. The C(2)-C(12) bond length is 1.50 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(5), one C(8), and one C(9) atom. The C(3)-C(5) bond length is 1.41 Å. The C(3)-C(8) bond length is 1.37 Å. The C(3)-C(9) bond length is 1.51 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(7) atom. The C(4)-C(4) bond length is 1.51 Å. The C(4)-C(6) bond length is 1.41 Å. The C(4)-C(7) bond length is 1.38 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(3), and one C(6) atom. The C(5)-C(10) bond length is 1.42 Å. The C(5)-C(6) bond length is 1.44 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(11), one C(4), and one C(5) atom. The C(6)-C(11) bond length is 1.41 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(4), one C(8), and one O(5) atom. The C(7)-C(8) bond length is 1.39 Å. The C(7)-O(5) bond length is 1.37 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(3), one C(7), and one H(2) atom. The C(8)-H(2) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(9)-O(3) bond length is 1.25 Å. The C(9)-O(4) bond length is 1.25 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(3) atom. The C(10)-H(3) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(6) and one H(4) atom. The C(11)-H(4) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(12)-O(1) bond length is 1.26 Å. The C(12)-O(2) bond length is 1.25 Å. In the thirteenth C site, C(13) is bonded in a single-bond geometry to one C(14) and one O(5) atom. The C(13)-C(14) bond length is 1.49 Å. The C(13)-O(5) bond length is 1.49 Å. In the fourteenth C site, C(14) is bonded in a single-bond geometry to one C(13) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(8) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(11) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(12) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cu(1) and one C(12) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(9) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cu(1) and one C(9) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one C(13) and one C(7) atom. Linkers: 6 [C][C]Oc1cc(C([O])=O)c2cc(C([O])=O)ccc2c1-c1c(O[C][C])cc(C([O])=O)c2cc(C([O])=O)ccc12. Metal clusters: 4 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. RCSR code: wbl. The MOF has largest included sphere 8.60 A, density 0.72 g/cm3, surface area 4133.51 m2/g, accessible volume 0.97 cm3/g