Abstract
Electronic structure governs the essential part of chemical reaction and photoexcitation. Hence, quantum chemistry plays a fundamental role in the understanding of the chemical phenomena in the condensed phase. This situation holds in the ionic liquid system as well, but further difficulties are recognized. In this chapter, we will focus on chemical reactions and solvatochromism in ionic liquids systems. Two hybrid approaches between quantum chemistry and statistical mechanics are explained, namely RISM–SCF–SEDD and QM/MM–MD. In particular, the details of the bathochromic shifts of a N, N-dimethyl-4-nitroaniline molecule in [BMIM][BF4] and some conventional solvents were discussed using QM/MM–MD.
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Nakano, H., Kimura, Y., Sato, H. (2021). Theoretical Approach to Chemical Reactions and Photochemical Processes in Ionic Liquid. In: Nishiyama, K., Yamaguchi, T., Takamuku, T., Yoshida, N. (eds) Molecular Basics of Liquids and Liquid-Based Materials. Physical Chemistry in Action. Springer, Singapore. https://doi.org/10.1007/978-981-16-5395-7_9
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