CuC14H4(NO3)4 crystallizes in the trigonal R-3 space group. Cu(1) is bonded in a distorted square co-planar geometry to one O(1), one O(4), one O(5), and one O(6) atom. The Cu(1)-O(1) bond length is 1.95 Å. The Cu(1)-O(4) bond length is 1.94 Å. The Cu(1)-O(5) bond length is 1.95 Å. The Cu(1)-O(6) bond length is 1.94 Å. There are fourteen 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(4) atom. The C(1)-C(2) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(4) bond length is 1.26 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(6), and one C(7) atom. The C(2)-C(6) bond length is 1.37 Å. The C(2)-C(7) bond length is 1.38 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(5) atom. The C(3)-C(11) bond length is 1.38 Å. The C(3)-C(13) bond length is 1.38 Å. The C(3)-C(5) bond length is 1.49 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(5), one C(6), and one N(1) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-C(6) bond length is 1.38 Å. The C(4)-N(1) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(8) atom. The C(5)-C(8) bond length is 1.37 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one H(1) atom. The C(6)-H(1) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(2), one C(8), and one H(2) atom. The C(7)-C(8) bond length is 1.39 Å. The C(7)-H(2) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one N(4) atom. The C(8)-N(4) bond length is 1.41 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(11), and one H(3) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-C(11) bond length is 1.38 Å. The C(9)-H(3) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(9) atom. The C(10)-C(12) bond length is 1.37 Å. The C(10)-C(14) bond length is 1.50 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(3), one C(9), and one N(3) atom. The C(11)-N(3) bond length is 1.41 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(10), one C(13), and one H(4) atom. The C(12)-C(13) bond length is 1.38 Å. The C(12)-H(4) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(12), one C(3), and one N(2) atom. The C(13)-N(2) bond length is 1.41 Å. In the fourteenth C site, C(14) is bonded in a bent 120 degrees geometry to one C(10), one O(5), and one O(6) atom. The C(14)-O(5) bond length is 1.26 Å. The C(14)-O(6) bond length is 1.26 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(4), one O(2), and one O(3) atom. The N(1)-O(2) bond length is 1.21 Å. The N(1)-O(3) bond length is 1.23 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(13), one O(7), and one O(8) atom. The N(2)-O(7) bond length is 1.22 Å. The N(2)-O(8) bond length is 1.22 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(11), one O(10), and one O(9) atom. The N(3)-O(10) bond length is 1.23 Å. The N(3)-O(9) bond length is 1.23 Å. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(8), one O(11), and one O(12) atom. The N(4)-O(11) bond length is 1.24 Å. The N(4)-O(12) bond length is 1.20 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(6) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(9) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(12) atom. There are twelve 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(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one N(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one N(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cu(1) and one C(14) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(14) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one N(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one N(2) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one N(3) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one N(3) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one N(4) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one N(4) atom. Linkers: 18 [O]C(=O)c1cc([N+](=O)[O-])c(-c2c([N+](=O)[O-])cc(C([O])=O)cc2[N+](=O)[O-])c([N+](=O)[O-])c1. Metal clusters: 9 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4. RCSR code: nbo. The MOF has largest included sphere 15.74 A, density 0.73 g/cm3, surface area 3773.44 m2/g, accessible volume 0.99 cm3/g