The benzannulated N-heterocyclic carbene, 1,3-dibenzylbenzimidazolylidene (NHCDBZ) {forms|types} {large|big|huge|massive|substantial|significant}, {highly|extremely|very|hugely} ordered domains when adsorbed on a Cu(111) surface {under|below|beneath} ultrahigh vacuum {conditions|circumstances|situations}. A {combination|mixture} of scanning tunneling microscopy (STM), {high|higher} resolution electron {energy|power} loss spectroscopy (HREELS) and density functional theory (DFT) calculations reveals that the overlayer consists of vertical benzannulated NHC moieties coordinating to Cu adatoms. {Long|Lengthy|Extended} {range|variety} order {results|outcomes|final results|benefits} {from the|in the} placement {of the|from the|in the|on the|with the|of your} two benzyl units from a single NHC on opposite sides {of the|from the|in the|on the|with the|of your} benzimidazole moiety, {with the|using the|with all the|together with the} planes of their aromatic rings {approximately|roughly|around|about} parallel {to the|towards the|for the} surface. The organization of {three|3} surface-bound benzyl substituents from {three|3} {different|various|distinct|diverse|unique|distinctive} NHCs into a triangular array controls the formation of a {highly|extremely|very|hugely} ordered Kagome-like lattice {on the|around the} surface. This study illustrates the {importance|significance|value} of dispersive interactions to {control|manage|handle} the binding geometry and self-assembly {of the|from the|in the|on the|with the|of your} NHC. 1-Benzyl-1H-1,2,4-triazole Formula 165894-07-5 manufacturer PMID:22943596
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