CuH4(CN)4(CH2)2 crystallizes in the monoclinic Cc space group. The structure consists of sixteen 02329_fluka molecules inside a CuH4(CN)4 framework. In the CuH4(CN)4 framework, there are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted rectangular see-saw-like geometry to one C(5), one N(3), one N(5), and one N(8) atom. The Cu(1)-C(5) bond length is 1.85 Å. The Cu(1)-N(3) bond length is 1.96 Å. The Cu(1)-N(5) bond length is 2.08 Å. The Cu(1)-N(8) bond length is 2.21 Å. In the second Cu site, Cu(2) is bonded in a distorted rectangular see-saw-like geometry to one C(6), one N(4), one N(6), and one N(7) atom. The Cu(2)-C(6) bond length is 1.85 Å. The Cu(2)-N(4) bond length is 1.95 Å. The Cu(2)-N(6) bond length is 2.08 Å. The Cu(2)-N(7) bond length is 2.21 Å. There are seven inequivalent C sites. In the first C site, C(3) is bonded in a trigonal planar geometry to one N(5); one N(7); and one H(5,6) atom. The C(3)-N(5) bond length is 1.36 Å. The C(3)-N(7) bond length is 1.33 Å. The C(3)-H(5,6) bond length is 1.08 Å. In the second C site, C(4) is bonded in a trigonal planar geometry to one N(6); one N(8); and one H(5,6) atom. The C(4)-N(6) bond length is 1.36 Å. The C(4)-N(8) bond length is 1.33 Å. The C(4)-H(5,6) bond length is 1.08 Å. In the third C site, C(5) is bonded in a linear geometry to one Cu(1) and one N(3) atom. The C(5)-N(3) bond length is 1.18 Å. In the fourth C site, C(6) is bonded in a linear geometry to one Cu(2) and one N(4) atom. The C(6)-N(4) bond length is 1.18 Å. In the fifth C site, C(7,8) is bonded in a distorted trigonal non-coplanar geometry to one N(1); one H(7,8); and one H(9,10) atom. The C(7,8)-N(1) bond length is 1.46 Å. The C(7,8)-H(7,8) bond length is 1.10 Å. The C(7,8)-H(9,10) bond length is 1.10 Å. In the sixth C site, C(9) is bonded in a trigonal planar geometry to one N(1); one N(5); and one H(11,12) atom. The C(9)-N(1) bond length is 1.35 Å. The C(9)-N(5) bond length is 1.34 Å. The C(9)-H(11,12) bond length is 1.09 Å. In the seventh C site, C(10) is bonded in a trigonal planar geometry to one N(2); one N(6); and one H(11,12) atom. The C(10)-N(2) bond length is 1.35 Å. The C(10)-N(6) bond length is 1.34 Å. The C(10)-H(11,12) bond length is 1.09 Å. There are eight inequivalent N sites. In the first N site, N(5) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(3), and one C(9) atom. In the second N site, N(6) is bonded in a distorted trigonal planar geometry to one Cu(2), one C(10), and one C(4) atom. In the third N site, N(7) is bonded in a 3-coordinate geometry to one Cu(2), one C(3), and one N(1) atom. The N(7)-N(1) bond length is 1.36 Å. In the fourth N site, N(8) is bonded in a 3-coordinate geometry to one Cu(1), one C(4), and one N(2) atom. The N(8)-N(2) bond length is 1.36 Å. In the fifth N site, N(1) is bonded in a distorted trigonal planar geometry to one C(7,8); one C(9); and one N(7) atom. In the sixth N site, N(2) is bonded in a distorted trigonal planar geometry to one C(10); one C(7,8); and one N(8) atom. The N(2)-C(7,8) bond length is 1.46 Å. In the seventh N site, N(3) is bonded in a linear geometry to one Cu(1) and one C(5) atom. In the eighth N site, N(4) is bonded in a linear geometry to one Cu(2) and one C(6) atom. There are four inequivalent H sites. In the first H site, H(5,6) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(7,8) is bonded in a single-bond geometry to one C(7,8) atom. In the third H site, H(9,10) is bonded in a single-bond geometry to one C(7,8) atom. In the fourth H site, H(11,12) is bonded in a single-bond geometry to one C(9) atom. Linkers: 2 [CH]1N=C[N]N1CCCCCCN1[CH]N=C[N]1 ,2 [C][N]N([CH])CCCCCCn1cncn1. Metal clusters: 4 [Cu]. The MOF has largest included sphere 2.35 A, density 1.77 g/cm3, surface area 4124.71 m2/g, accessible volume 0.08 cm3/g