Cu7C48(NO4)6 crystallizes in the tetragonal I4/mmm space group. There are five inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted square pyramidal geometry to one Cu(2) and four equivalent O(1) atoms. The Cu(1)-Cu(2) bond length is 2.65 Å. All Cu(1)-O(1) bond lengths are 1.95 Å. In the second Cu site, Cu(2) is bonded in a distorted square co-planar geometry to one Cu(1) and four equivalent O(3) atoms. All Cu(2)-O(3) bond lengths are 1.93 Å. In the third Cu site, Cu(3) is bonded in a distorted square co-planar geometry to one Cu(4), two equivalent O(5), and two equivalent O(6) atoms. The Cu(3)-Cu(4) bond length is 2.64 Å. Both Cu(3)-O(5) bond lengths are 1.96 Å. Both Cu(3)-O(6) bond lengths are 1.97 Å. In the fourth Cu site, Cu(4) is bonded in a square pyramidal geometry to one Cu(3), two equivalent O(2), and two equivalent O(4) atoms. Both Cu(4)-O(2) bond lengths are 1.97 Å. Both Cu(4)-O(4) bond lengths are 1.97 Å. In the fifth Cu site, Cu(5) is bonded in a linear geometry to two equivalent N(2) atoms. Both Cu(5)-N(2) bond lengths are 2.00 Å. There are thirteen inequivalent C sites. In the first C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(1), and one O(3) atom. The C(2)-C(9) bond length is 1.54 Å. The C(2)-O(1) bond length is 1.26 Å. The C(2)-O(3) bond length is 1.23 Å. In the second C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(4), and one O(5) atom. The C(3)-C(11) bond length is 1.55 Å. The C(3)-O(4) bond length is 1.24 Å. The C(3)-O(5) bond length is 1.26 Å. In the third C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(2), and one O(6) atom. The C(1)-C(7) bond length is 1.53 Å. The C(1)-O(2) bond length is 1.24 Å. The C(1)-O(6) bond length is 1.22 Å. In the fourth C site, C(4) is bonded in a bent 120 degrees geometry to one C(11) and one C(13) atom. The C(4)-C(11) bond length is 1.39 Å. The C(4)-C(13) bond length is 1.38 Å. In the fifth C site, C(5) is bonded in a bent 120 degrees geometry to one C(7) and one C(9) atom. The C(5)-C(7) bond length is 1.39 Å. The C(5)-C(9) bond length is 1.43 Å. In the sixth C site, C(6) is bonded in a bent 120 degrees geometry to one C(10) and one C(9) atom. The C(6)-C(10) bond length is 1.43 Å. The C(6)-C(9) bond length is 1.41 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(8) atom. The C(7)-C(8) bond length is 1.50 Å. In the eighth C site, C(9) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(6) atom. In the ninth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(6), one C(8), and one N(1) atom. The C(10)-C(8) bond length is 1.40 Å. The C(10)-N(1) bond length is 1.50 Å. In the tenth C site, C(11) is bonded in a trigonal planar geometry to one C(12), one C(3), and one C(4) atom. The C(11)-C(12) bond length is 1.41 Å. In the eleventh C site, C(8) is bonded in a bent 120 degrees geometry to one C(10) and one C(7) atom. In the twelfth C site, C(12) is bonded in a bent 120 degrees geometry to two equivalent C(11) atoms. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to two equivalent C(4) and one N(2) atom. The C(13)-N(2) bond length is 1.47 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a single-bond geometry to one C(10) atom. In the second N site, N(2) is bonded in a bent 120 degrees geometry to one Cu(5) and one C(13) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Cu(1) and one C(2) atom. In the second O site, O(2) is bonded in a single-bond geometry to one Cu(4) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cu(2) and one C(2) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Cu(4) and one C(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cu(3) and one C(3) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Cu(3) and one C(1) atom. Linkers: 48 [N]c1[c]c(C([O])=O)[c]c(C([O])=O)[c]1. Metal clusters: 24 [C]1O[Cu]234O[C]O[Cu]2(O1)(O[C]O3)O[C]O4 ,8 [Cu]. The MOF has largest included sphere 13.75 A, density 0.64 g/cm3, surface area 3661.45 m2/g, accessible volume 1.14 cm3/g