Cu2C12N2H8O5 is Indium-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of two Cu2C12N2H8O5 clusters. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a see-saw-like geometry to one N(2), one O(1), one O(3), and one O(5) atom. The Cu(1)-N(2) bond length is 1.99 Å. The Cu(1)-O(1) bond length is 1.96 Å. The Cu(1)-O(3) bond length is 2.21 Å. The Cu(1)-O(5) bond length is 1.96 Å. In the second Cu site, Cu(2) is bonded to one N(1), one O(2), one O(4), and two equivalent O(5) atoms to form edge-sharing CuNO4 square pyramids. The Cu(2)-N(1) bond length is 1.99 Å. The Cu(2)-O(2) bond length is 2.26 Å. The Cu(2)-O(4) bond length is 1.91 Å. There is one shorter (1.99 Å) and one longer (2.00 Å) Cu(2)-O(5) bond length. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(1) atom. The C(1)-N(1) bond length is 1.36 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(3) and one H(2) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(6) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-C(6) bond length is 1.52 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(3) atom. The C(4)-H(3) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4) atom. The C(5)-N(1) bond length is 1.31 Å. The C(5)-H(4) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(6)-O(1) bond length is 1.29 Å. The C(6)-O(2) bond length is 1.22 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(5) atom. The C(7)-N(2) bond length is 1.32 Å. The C(7)-H(5) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(9) and one H(6,7) atom. The C(8)-C(9) bond length is 1.37 Å. The C(8)-H(6,7) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(8) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-C(12) bond length is 1.51 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one H(6,7) atom. The C(10)-H(6,7) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(8) atom. The C(11)-N(2) bond length is 1.33 Å. The C(11)-H(8) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(3), and one O(4) atom. The C(12)-O(3) bond length is 1.23 Å. The C(12)-O(4) bond length is 1.28 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(2), one C(1), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1), one C(11), and one C(7) 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(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(6,7) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(11) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(6) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(6) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(12) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(2) and one C(12) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Cu(1) and two equivalent Cu(2) atoms. Linkers: 8 [O]C(=O)c1ccncc1. Metal clusters: 2 [C]1O[Cu]2O[C]O[Cu](O1)O2.[C]1O[Cu]2O[C]O[Cu](O1)O2. The MOF has largest included sphere 4.80 A, density 1.20 g/cm3, surface area 3720.91 m2/g, accessible volume 0.42 cm3/g