Anion driven ionic liquid crystals: The effect of the connecting group in [closo-1-CB9H10]- derivatives on mesogenic properties |
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Authors: | Jacek Pecyna Ajan Sivaramamoorthy Aleksandra Jankowiak |
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Affiliation: | Organic Materials Research Group, Department of Chemistry , Vanderbilt University , Nashville , TN , USA |
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Abstract: | Replacement of the connecting CH2 group in ionic liquid crystal 1a[Pyr] with an oxygen atom in 1b[Pyr] resulted in significant destabilisation of the nematic and, to a greater extent, smectic A (SmA) phases, as established from binary mixture studies in 2a[Pyr]. Density functional theory (DFT) modelling of both anions suggests that the destabilisation results from the difference in charge distribution rather than conformational changes. Binary mixture studies demonstrated that all three ionic liquid crystals are compatible with a non-ionic benzoate nematic host 3a. |
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Keywords: | ionic liquid crystals boron clusters synthesis |
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