(CuC4H2(NS)2)2C3H4 crystallizes in the triclinic P-1 space group. The structure consists of two allene molecules inside a CuC4H2(NS)2 framework. In the CuC4H2(NS)2 framework, there are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 6-coordinate geometry to one N(1), one N(2), one N(3), one N(4), one S(2), and one S(3) atom. The Cu(1)-N(1) bond length is 2.01 Å. The Cu(1)-N(2) bond length is 2.14 Å. The Cu(1)-N(3) bond length is 2.49 Å. The Cu(1)-N(4) bond length is 2.01 Å. The Cu(1)-S(2) bond length is 2.88 Å. The Cu(1)-S(3) bond length is 2.58 Å. In the second Cu site, Cu(2) is bonded in a square co-planar geometry to two equivalent S(1) and two equivalent S(4) atoms. Both Cu(2)-S(1) bond lengths are 2.20 Å. Both Cu(2)-S(4) bond lengths are 2.20 Å. In the third Cu site, Cu(3) is bonded in a square co-planar geometry to two equivalent S(2) and two equivalent S(3) atoms. Both Cu(3)-S(2) bond lengths are 2.22 Å. Both Cu(3)-S(3) bond lengths are 2.26 Å. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(7), one N(2), and one H(1) atom. The C(1)-C(7) bond length is 1.39 Å. The C(1)-N(2) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(5), one N(1), and one H(2) atom. The C(2)-C(5) bond length is 1.38 Å. The C(2)-N(1) bond length is 1.35 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(8), one N(2), and one S(2) atom. The C(3)-C(8) bond length is 1.42 Å. The C(3)-N(2) bond length is 1.34 Å. The C(3)-S(2) bond length is 1.73 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(6), one N(4), and one S(1) atom. The C(4)-C(6) bond length is 1.43 Å. The C(4)-N(4) bond length is 1.34 Å. The C(4)-S(1) bond length is 1.72 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(2), one N(4), and one H(3) atom. The C(5)-N(4) bond length is 1.35 Å. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one S(4) atom. The C(6)-N(1) bond length is 1.34 Å. The C(6)-S(4) bond length is 1.72 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(1), one N(3), and one H(4) atom. The C(7)-N(3) bond length is 1.34 Å. The C(7)-H(4) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(3), one N(3), and one S(3) atom. The C(8)-N(3) bond length is 1.33 Å. The C(8)-S(3) bond length is 1.73 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(1), one C(2), and one C(6) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(1), and one C(3) atom. In the third N site, N(3) is bonded in a distorted bent 120 degrees geometry to one Cu(1), one C(7), and one C(8) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cu(1), one C(4), and one C(5) atom. There are four 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(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded in a water-like geometry to one Cu(2) and one C(4) atom. In the second S site, S(2) is bonded in a distorted water-like geometry to one Cu(1), one Cu(3), and one C(3) atom. In the third S site, S(3) is bonded in a distorted T-shaped geometry to one Cu(1), one Cu(3), and one C(8) atom. In the fourth S site, S(4) is bonded in a water-like geometry to one Cu(2) and one C(6) atom. Linkers: 2 S=C1N=CC=NC1=S. Metal clusters: 4 [Cu]. The MOF has largest included sphere 2.56 A, density 2.04 g/cm3, surface area 3387.69 m2/g, accessible volume 0.09 cm3/g