CuC19H11O4 crystallizes in the hexagonal P6_3/mmc space group. Cu(1) is bonded in a distorted square co-planar geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Cu(1)-O(1) bond lengths are 1.93 Å. Both Cu(1)-O(2) bond lengths are 1.93 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.48 Å. The C(1)-O(1) bond length is 1.25 Å. The C(1)-O(2) bond length is 1.28 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 1.37 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(9), and one H(1) atom. The C(3)-C(9) bond length is 1.35 Å. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(10) and one H(2) atom. The C(4)-C(10) bond length is 1.33 Å. The C(4)-H(2) bond length is 0.98 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(11), one C(7), and one H(3) atom. The C(5)-C(11) bond length is 1.42 Å. The C(5)-C(7) bond length is 1.58 Å. The C(5)-H(3) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(10), one C(7), and one H(4) atom. The C(6)-C(10) bond length is 1.40 Å. The C(6)-C(7) bond length is 1.42 Å. The C(6)-H(4) bond length is 1.00 Å. In the seventh C site, C(7) is bonded in a 5-coordinate geometry to one C(11), one C(12), one C(5), one C(6), and one C(7) atom. The C(7)-C(11) bond length is 1.24 Å. The C(7)-C(12) bond length is 1.55 Å. The C(7)-C(7) bond length is 1.47 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to two equivalent C(2) 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 trigonal planar geometry to one C(10) and two equivalent C(3) atoms. The C(9)-C(10) bond length is 1.56 Å. In the tenth C site, C(10) is bonded in a 5-coordinate geometry to one C(9), two equivalent C(4), and two equivalent C(6) atoms. In the eleventh C site, C(11) is bonded in a 5-coordinate geometry to one C(11), two equivalent C(5), and two equivalent C(7) atoms. The C(11)-C(11) bond length is 1.46 Å. In the twelfth C site, C(12) is bonded in a distorted water-like geometry to two equivalent C(7) and two equivalent H(6,7) atoms. Both C(12)-H(6,7) bond lengths are 0.97 Å. There are six 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(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) 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(6,7) 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 distorted single-bond geometry to one Cu(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(1) atom. Linkers: 3 [CH]1[C@@H]2[C@H]3[C@]24[C@H]2[C@@H]4[CH][C@]14[C@]21C[C@@]25[C@H]6[C@H]7[CH][C@]28[CH][C@H]2[C@H]([C@]726)[C@@]85C[C@@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1 ,1 [CH]1[C@@H]2[C@H]3[C@@]24[C@H]2[C@@H]4[CH][C@]14[C@]21C[C@@]25[C@H]6[C@H]7[CH][C@]28[CH][C@H]2[C@H]([C@]726)[C@@]85C[C@@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1 ,1 [CH]1[C@@H]2[C@H]3[C@]24[C@H]2[C@@H]4[CH][C@@]14[C@]21C[C@@]25[C@H]6[C@H]7[CH][C@@]28[CH][C@H]2[C@H]([C@]726)[C@@]85C[C@@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1 ,1 [CH]1[C@@H]2[C@H]3[C@]24[C@H]2[C@@H]4[CH][C@]14[C@]21C[C@@]25[C@H]6[C@H]7[CH][C@@]28[CH][C@H]2[C@H]([C@]726)[C@@]85C[C@@]341.[O]C(=O)c1c[c]cc(C([O])=O)c1.[O]C(=O)c1c[c]cc(C([O])=O)c1. Metal clusters: 6 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. RCSR code: ssa. The MOF has largest included sphere 11.76 A, density 0.74 g/cm3, surface area 3654.71 m2/g, accessible volume 0.92 cm3/g