Cu3C19H10O14 crystallizes in the orthorhombic Immm space group. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(3), one O(4), and one O(5) atom. The Cu(1)-O(1) bond length is 1.93 Å. The Cu(1)-O(3) bond length is 1.98 Å. The Cu(1)-O(4) bond length is 1.95 Å. The Cu(1)-O(5) bond length is 1.96 Å. In the second Cu site, Cu(2) is bonded in a rectangular see-saw-like geometry to four equivalent O(2) atoms. All Cu(2)-O(2) bond lengths are 1.97 Å. In the third Cu site, Cu(3) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(6) atoms. All Cu(3)-O(6) bond lengths are 1.94 Å. There are thirteen inequivalent C sites. In the first C site, C(8) is bonded in a trigonal planar geometry to one C(7) and two equivalent C(5) atoms. The C(8)-C(7) bond length is 1.55 Å. Both C(8)-C(5) bond lengths are 1.38 Å. In the second C site, C(9) is bonded in a distorted single-bond geometry to two equivalent C(6) and one O(7) atom. Both C(9)-C(6) bond lengths are 1.43 Å. The C(9)-O(7) bond length is 1.35 Å. In the third C site, C(7) is bonded in a bent 120 degrees geometry to one C(8) and two equivalent O(2) atoms. Both C(7)-O(2) bond lengths are 1.24 Å. In the fourth C site, C(10) is bonded in a distorted single-bond geometry to two equivalent C(3) and one O(8) atom. Both C(10)-C(3) bond lengths are 1.43 Å. The C(10)-O(8) bond length is 1.30 Å. In the fifth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(12) and two equivalent O(6) atoms. The C(11)-C(12) bond length is 1.46 Å. Both C(11)-O(6) bond lengths are 1.30 Å. In the sixth C site, C(12) is bonded in a trigonal planar geometry to one C(11) and two equivalent C(1) atoms. Both C(12)-C(1) bond lengths are 1.40 Å. In the seventh C site, C(13) is bonded in a 7-coordinate geometry to two equivalent H(3), two equivalent H(4), two equivalent H(5), and one O(8) atom. Both C(13)-H(3) bond lengths are 0.98 Å. Both C(13)-H(4) bond lengths are 0.98 Å. Both C(13)-H(5) bond lengths are 0.98 Å. The C(13)-O(8) bond length is 1.50 Å. In the eighth C site, C(1) is bonded in a distorted single-bond geometry to one C(12), one C(3), and one H(1) atom. The C(1)-C(3) bond length is 1.35 Å. The C(1)-H(1) bond length is 0.95 Å. In the ninth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(4), and one O(5) atom. The C(2)-C(6) bond length is 1.48 Å. The C(2)-O(4) bond length is 1.26 Å. The C(2)-O(5) bond length is 1.27 Å. In the tenth C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(4) atom. The C(3)-C(4) bond length is 1.54 Å. In the eleventh C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(3) atom. The C(4)-O(1) bond length is 1.23 Å. The C(4)-O(3) bond length is 1.24 Å. In the twelfth C site, C(5) is bonded in a distorted single-bond geometry to one C(6), one C(8), and one H(2) atom. The C(5)-C(6) bond length is 1.36 Å. The C(5)-H(2) bond length is 0.95 Å. In the thirteenth C site, C(6) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(9) atom. There are five 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(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(13) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(13) atom. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one C(13) atom. There are eight 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(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(7) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Cu(3) and one C(11) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one C(9) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one C(10) and one C(13) atom. Linkers: 8 [O]C(=O)c1cc(C([O])=O)c([O])c(C([O])=O)c1 ,8 [CH2].[H].[H].[H].[H].[O]C(=O)c1cc(C([O])=O)c([O])c(C([O])=O)c1. Metal clusters: 12 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. RCSR code: fmj. The MOF has largest included sphere 10.71 A, density 0.95 g/cm3, surface area 3297.90 m2/g, accessible volume 0.70 cm3/g