CuH14(C5O)5CH3 crystallizes in the tetragonal I4_1/amd space group. The structure consists of thirty-two 02329_fluka molecules inside a CuH14(C5O)5 framework. In each CuH14(C5O)5 framework, there are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to two equivalent O(1) and two equivalent O(3) atoms. Both Cu(1)-O(1) bond lengths are 1.95 Å. Both Cu(1)-O(3) bond lengths are 1.96 Å. In the second Cu site, Cu(2) is bonded in a square co-planar geometry to four equivalent O(2) atoms. All Cu(2)-O(2) bond lengths are 1.93 Å. In the third Cu site, Cu(3) is bonded in a distorted square co-planar geometry to four equivalent O(4) atoms. All Cu(3)-O(4) bond lengths are 1.96 Å. There are twenty-five inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(3) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.24 Å. The C(1)-O(3) bond length is 1.27 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(4), and one C(8) atom. The C(2)-C(4) bond length is 1.39 Å. The C(2)-C(8) bond length is 1.37 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(11), one C(16), and one C(7) atom. The C(3)-C(11) bond length is 1.43 Å. The C(3)-C(16) bond length is 1.40 Å. The C(3)-C(7) bond length is 1.43 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(4)-H(1) bond length is 0.94 Å. In the fifth C site, C(5) is bonded in a single-bond geometry to one C(12) and one H(2) atom. The C(5)-C(12) bond length is 1.37 Å. The C(5)-H(2) bond length is 0.94 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(11) and one O(5) atom. The C(6)-C(11) bond length is 1.37 Å. The C(6)-O(5) bond length is 1.35 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(12), one C(3), and one C(9) atom. The C(7)-C(12) bond length is 1.42 Å. The C(7)-C(9) bond length is 1.42 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(14), one C(2), and one H(3) atom. The C(8)-C(14) bond length is 1.39 Å. The C(8)-H(3) bond length is 0.94 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(15), one C(7), and one H(4) atom. The C(9)-C(15) bond length is 1.36 Å. The C(9)-H(4) bond length is 0.94 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(12), one C(13), and one C(14) atom. The C(10)-C(12) bond length is 1.49 Å. The C(10)-C(13) bond length is 1.38 Å. The C(10)-C(14) bond length is 1.38 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(11), one C(3), and one C(6) atom. The C(11)-C(11) bond length is 1.50 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(10), one C(5), and one C(7) atom. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(10) and one H(5) atom. The C(13)-H(5) bond length is 0.94 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(6) atom. The C(14)-H(6) bond length is 0.94 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(21), one C(22), and one C(9) atom. The C(15)-C(21) bond length is 1.49 Å. The C(15)-C(22) bond length is 1.42 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(3) and one H(7) atom. The C(16)-H(7) bond length is 0.94 Å. In the seventeenth C site, C(17) is bonded in a bent 120 degrees geometry to one C(20), one O(2), and one O(4) atom. The C(17)-C(20) bond length is 1.50 Å. The C(17)-O(2) bond length is 1.25 Å. The C(17)-O(4) bond length is 1.26 Å. In the eighteenth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(21), one C(24), and one H(8) atom. The C(18)-C(21) bond length is 1.35 Å. The C(18)-C(24) bond length is 1.39 Å. The C(18)-H(8) bond length is 0.94 Å. In the nineteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(21) and one H(9) atom. The C(19)-C(21) bond length is 1.40 Å. The C(19)-H(9) bond length is 0.94 Å. In the twentieth C site, C(20) is bonded in a trigonal planar geometry to one C(17), one C(23), and one C(24) atom. The C(20)-C(23) bond length is 1.41 Å. The C(20)-C(24) bond length is 1.38 Å. In the twenty-first C site, C(21) is bonded in a trigonal planar geometry to one C(15), one C(18), and one C(19) atom. In the twenty-second C site, C(22) is bonded in a distorted single-bond geometry to one C(15) and one H(10) atom. The C(22)-H(10) bond length is 0.94 Å. In the twenty-third C site, C(23) is bonded in a distorted single-bond geometry to one C(20) and one H(11) atom. The C(23)-H(11) bond length is 0.94 Å. In the twenty-fourth C site, C(24) is bonded in a distorted single-bond geometry to one C(18), one C(20), and one H(12) atom. The C(24)-H(12) bond length is 0.94 Å. In the twenty-fifth C site, C(25) is bonded in a distorted trigonal non-coplanar geometry to one H(13), one H(14), and one O(5) atom. The C(25)-H(13) bond length is 0.98 Å. The C(25)-H(14) bond length is 0.98 Å. The C(25)-O(5) bond length is 1.44 Å. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(16) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(18) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(19) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(22) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(23) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(24) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(25) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(25) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(17) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cu(3) and one C(17) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one C(25) and one C(6) atom. Linkers: 8 CCOc1cc(-c2ccc(C([O])=O)cc2)c2cc(-c3ccc(C([O])=O)cc3)ccc2c1-c1c(OCC)cc(-c2ccc(C([O])=O)cc2)c2cc(-c3ccc(C([O])=O)cc3)ccc12. Metal clusters: 8 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. The MOF has largest included sphere 14.88 A, density 0.62 g/cm3, surface area 4646.46 m2/g, accessible volume 1.17 cm3/g