CsH16(C2O)4Cu3C4H8(SI2)2 is Indium-derived structured and crystallizes in the monoclinic C2/m space group. The structure is zero-dimensional and consists of four CsH16(C2O)4 clusters and two Cu3C4H8(SI2)2 clusters. In each CsH16(C2O)4 cluster, Cs(1) is bonded in a 4-coordinate geometry to one O(1), one O(3), and two equivalent O(2) atoms. The Cs(1)-O(1) bond length is 3.14 Å. The Cs(1)-O(3) bond length is 3.12 Å. Both Cs(1)-O(2) bond lengths are 3.22 Å. There are four inequivalent C sites. In the first C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one H(10), one H(9), and one O(2) atom. The C(5)-H(10) bond length is 1.11 Å. The C(5)-H(9) bond length is 1.10 Å. The C(5)-O(2) bond length is 1.43 Å. In the second C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one H(11), one H(12), and one O(3) atom. The C(6)-H(11) bond length is 1.11 Å. The C(6)-H(12) bond length is 1.11 Å. The C(6)-O(3) bond length is 1.43 Å. In the third C site, C(1) is bonded in a distorted trigonal non-coplanar geometry to one H(1), one H(2), and one O(1) atom. The C(1)-H(1) bond length is 1.11 Å. The C(1)-H(2) bond length is 1.10 Å. The C(1)-O(1) bond length is 1.43 Å. In the fourth C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one H(7), one H(8), and one O(2) atom. The C(4)-H(7) bond length is 1.11 Å. The C(4)-H(8) bond length is 1.11 Å. The C(4)-O(2) bond length is 1.43 Å. There are eight inequivalent H sites. In the first H site, H(7) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(8) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(12) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the seventh H site, H(10) is bonded in a single-bond geometry to one C(5) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(6) atom. There are three inequivalent O sites. In the first O site, O(3) is bonded in a water-like geometry to one Cs(1) and two equivalent C(6) atoms. In the second O site, O(2) is bonded in a water-like geometry to one Cs(1), one C(4), and one C(5) atom. In the third O site, O(1) is bonded in a water-like geometry to one Cs(1) and two equivalent C(1) atoms. In each Cu3C4H8(SI2)2 cluster, there are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent I(2) and two equivalent I(3) atoms to form distorted CuI4 tetrahedra that share corners with two equivalent Cu(2)SI3 tetrahedra,  an edgeedge with one Cu(1)I4 tetrahedra, and edges with two equivalent Cu(2)SI3 tetrahedra. Both Cu(1)-I(2) bond lengths are 2.68 Å. Both Cu(1)-I(3) bond lengths are 2.65 Å. In the second Cu site, Cu(2) is bonded to one S(1), one I(1), one I(2), and one I(3) atom to form distorted CuSI3 tetrahedra that share  a cornercorner with one Cu(1)I4 tetrahedra,  an edgeedge with one Cu(1)I4 tetrahedra, and  an edgeedge with one Cu(2)SI3 tetrahedra. The Cu(2)-S(1) bond length is 2.30 Å. The Cu(2)-I(1) bond length is 2.62 Å. The Cu(2)-I(2) bond length is 2.75 Å. The Cu(2)-I(3) bond length is 2.55 Å. There are two inequivalent C sites. In the first C site, C(3) is bonded in a distorted water-like geometry to one H(5), one H(6), and one S(1) atom. The C(3)-H(5) bond length is 1.10 Å. The C(3)-H(6) bond length is 1.10 Å. The C(3)-S(1) bond length is 1.82 Å. In the second C site, C(2) is bonded in a distorted water-like geometry to one H(3), one H(4), and one S(1) atom. The C(2)-H(3) bond length is 1.10 Å. The C(2)-H(4) bond length is 1.10 Å. The C(2)-S(1) bond length is 1.82 Å. There are four inequivalent H sites. In the first H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) atom. S(1) is bonded in a trigonal non-coplanar geometry to one Cu(2), one C(2), and one C(3) atom. There are three inequivalent I sites. In the first I site, I(1) is bonded in a 2-coordinate geometry to two equivalent Cu(2) atoms. In the second I site, I(2) is bonded in a 4-coordinate geometry to two equivalent Cu(1) and two equivalent Cu(2) atoms. In the third I site, I(3) is bonded in a 2-coordinate geometry to one Cu(1) and one Cu(2) atom. Linkers: 1 C1COCCSCCOCCSCCOCCO1. Metal clusters: 2 [Cs] ,6 [Cu]. The MOF has largest included sphere 2.79 A, density 2.85 g/cm3, surface area 2663.86 m2/g, accessible volume 0.11 cm3/g