CuC15NH7O4 crystallizes in the trigonal R-3c space group. Cu(1) is bonded in a distorted square pyramidal geometry to one N(1), one O(1), one O(2), one O(3), and one O(4) atom. The Cu(1)-N(1) bond length is 2.22 Å. The Cu(1)-O(1) bond length is 1.95 Å. The Cu(1)-O(2) bond length is 2.04 Å. The Cu(1)-O(3) bond length is 2.01 Å. The Cu(1)-O(4) bond length is 1.98 Å. There are fifteen inequivalent C sites. In the first C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one H(5) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-C(8) bond length is 1.41 Å. The C(9)-H(5) bond length is 1.09 Å. In the second C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(14), and one C(9) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(14) bond length is 1.50 Å. In the third C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(12), and one H(6) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-H(6) bond length is 1.09 Å. In the fourth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(5), one N(1), and one H(1) atom. The C(1)-C(5) bond length is 1.41 Å. The C(1)-N(1) bond length is 1.34 Å. The C(1)-H(1) bond length is 1.09 Å. In the fifth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(15) atom. The C(12)-C(13) bond length is 1.40 Å. The C(12)-C(15) bond length is 1.50 Å. In the sixth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(3), one N(1), and one H(2) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-N(1) bond length is 1.35 Å. The C(2)-H(2) bond length is 1.09 Å. In the seventh C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(8), and one H(7) atom. The C(13)-C(8) bond length is 1.41 Å. The C(13)-H(7) bond length is 1.09 Å. In the eighth C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(3) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(3) bond length is 1.09 Å. In the ninth C site, C(14) is bonded in a bent 120 degrees geometry to one C(10), one O(1), and one O(2) atom. The C(14)-O(1) bond length is 1.28 Å. The C(14)-O(2) bond length is 1.27 Å. In the tenth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one H(4) atom. The C(4)-C(5) bond length is 1.41 Å. The C(4)-H(4) bond length is 1.09 Å. In the eleventh C site, C(15) is bonded in a bent 120 degrees geometry to one C(12), one O(3), and one O(4) atom. The C(15)-O(3) bond length is 1.27 Å. The C(15)-O(4) bond length is 1.28 Å. In the twelfth C site, C(5) is bonded in a trigonal planar geometry to one C(1), one C(4), and one C(6) atom. The C(5)-C(6) bond length is 1.42 Å. In the thirteenth C site, C(6) is bonded in a linear geometry to one C(5) and one C(7) atom. The C(6)-C(7) bond length is 1.22 Å. In the fourteenth C site, C(7) is bonded in a linear geometry to one C(6) and one C(8) atom. The C(7)-C(8) bond length is 1.42 Å. In the fifteenth C site, C(8) is bonded in a trigonal planar geometry to one C(13), one C(7), and one C(9) atom. N(1) is bonded in a trigonal planar geometry to one Cu(1), one C(1), and one C(2) atom. There are seven 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(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(13) atom. There are four inequivalent O sites. In the first O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(15) atom. In the second O site, O(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(14) atom. In the third O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(14) atom. In the fourth O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(15) atom. Linkers: 12 [O]C(=O)c1cc(C#Cc2cccnc2)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: kgm. The MOF has largest included sphere 9.55 A, density 0.93 g/cm3, surface area 4328.34 m2/g, accessible volume 0.66 cm3/g