In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Splitting dioxygen with mesitylcopper(I). An arylcopper(I) intermediate, formed in a coupling reaction, containing two trapped trigonal pyramidally coordinated oxides, published in 1993-05-12, which mentions a compound: 75732-01-3, mainly applied to crystal structure hexamesitylene decacopper oxide cluster; mol structure hexamesitylene decacopper oxide cluster; mesitylene copper oxide cluster EHMO, Quality Control of Mesitylcopper(I).
Oxidatively induced reductive coupling of mesityl from mesitylcopper(I) effected by dioxygen is shown to result in an intermediate, [Cu10O2(Mes)6], containing oxide ligands trapped in an unusual coordination mode on the surface of the cluster. [Cu10O2(Mes)6] was characterized by x-ray crystallog. The complex has approx. D3h symmetry such that the two oxide ligands and a central copper(I) are situated on the approx. 3-fold axis while the remaining nine copper(I) centers form three wings, each with three copper(I) atoms participating in 2 electron-3 center bonds with two mesityl groups. Cu···Cu distances involved in the latter interactions range from 2.376(8) to 2.439(6) Å. The oxide ligands are trigonal pyramidally coordinated by four copper(I) atoms at distances of 1.81(2)-1.90(2) Å and are slightly displaced (0.1 Å) from the cluster surface, i.e. from the trigonal coordination plane, toward the central cooper(I). The unusual coordination mode of oxygen on the surface of the cluster, the extreme instability of the complex, and its color are discussed in the context of extended Hueckel (EHT) calculations
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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com