Cu2C10N5H10O7 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted octahedral geometry to two equivalent N(1), one O(1), one O(2), one O(3), and one O(4) atom. Both Cu(1)-N(1) bond lengths are 2.10 Å. The Cu(1)-O(1) bond length is 2.01 Å. The Cu(1)-O(2) bond length is 2.40 Å. The Cu(1)-O(3) bond length is 2.30 Å. The Cu(1)-O(4) bond length is 1.90 Å. In the second Cu site, Cu(2) is bonded in a square co-planar geometry to two equivalent N(2) and two equivalent O(3) atoms. Both Cu(2)-N(2) bond lengths are 1.99 Å. Both Cu(2)-O(3) bond lengths are 1.92 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.25 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(4) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-C(4) bond length is 1.40 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(5) atom. The C(3)-C(5) bond length is 1.43 Å. The C(3)-H(5) bond length is 0.95 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(6) atom. The C(4)-C(6) bond length is 1.38 Å. The C(4)-H(6) bond length is 0.95 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(3), one C(7), and one C(8) atom. The C(5)-C(7) bond length is 1.38 Å. The C(5)-C(8) bond length is 1.49 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(4), one C(7), and one N(3) atom. The C(6)-C(7) bond length is 1.38 Å. The C(6)-N(3) bond length is 1.45 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(5), one C(6), and one H(7) atom. The C(7)-H(7) bond length is 0.95 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(4), and one O(5) atom. The C(8)-O(4) bond length is 1.28 Å. The C(8)-O(5) bond length is 1.21 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10) and two equivalent N(1) atoms. The C(9)-C(10) bond length is 1.45 Å. Both C(9)-N(1) bond lengths are 1.36 Å. In the tenth C site, C(10) is bonded in a 6-coordinate geometry to one C(9), two equivalent H(1), two equivalent H(2), and two equivalent H(3) atoms. Both C(10)-H(1) bond lengths are 0.98 Å. Both C(10)-H(2) bond lengths are 0.98 Å. Both C(10)-H(3) bond lengths are 0.98 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Cu(1), one C(9), and one N(2) atom. The N(1)-N(2) bond length is 1.33 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Cu(2), one N(1), and one N(2) atom. The N(2)-N(2) bond length is 1.30 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(6), one O(6), and one O(7) atom. The N(3)-O(6) bond length is 1.25 Å. The N(3)-O(7) bond length is 1.22 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one C(10) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one C(10) atom. In the third H site, H(3) is bonded in a distorted single-bond geometry to one C(10) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(3) atom. The H(4)-O(3) bond length is 1.00 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(7) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Cu(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cu(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Cu(1), two equivalent Cu(2), and one H(4) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(8) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one N(3) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one N(3) atom. Linkers: 4 [O]C(=O)c1cc(C([O])=O)cc([N+](=O)[O-])c1 ,4 C.[C]1=NN=N[N]1.[H].[H]. Metal clusters: 8 [Cu]. The MOF has largest included sphere 3.85 A, density 1.88 g/cm3, surface area 3187.22 m2/g, accessible volume 0.18 cm3/g