Abstract:The development of molecule-based multifunctional switchable materials that exhibit a switch of polarity and dielectric property are extremely limited. We have demonstrated solvent-vapour-induced reversible molecular rearrangements between nonpolar crystals [Al(sap)(acac)(sol)] (H 2 sap = 2-salicylideneaminophenol, acac = acetylacetonate, sol = MeOH (1), EtOH (2)) and polar crystal [Al-(sap)(acac)(DMSO)] ( 3). This crystal-to-crystal structural trans-formation was accompanied by a switch of second harmonic gen… Show more
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