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Synthesis Towards Polyhedral And Rigid Organic Non-Linear Optic Materials, Casey R. Simons

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Currently, there is intense research interest in new molecular compounds that display enhanced second harmonic generation nonlinear optical (NLO) properties. Previous computational research has shown that both polyhedral carborane compounds and sterically constrained hydrindacene show great potential as NLO compounds. Their calculated  values exceed those of compounds currently in use. Initial synthetic obstacles in the formation of polyhedral carborane based compounds led us to investigate targets using multiple polyhedral cage bridges. Initial calculations on these compounds have shown promising results. [2-[2-(3,4-dimethylcyclopentadienyl)-o-carborane]-o-carborane]-tropylium, 27, in particular has shown great promise at a target for synthesis. Preliminary synthetic attempts towards homo- and …