Ion pair formation in [bmim]I ionic liquids.

Ryuzi Katoh1, Mikiya Hara, Seiji Tsuzuki

  • 1National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan. r-katoh@aist.go.jp

Summary

Ion pair formation between the 1-butyl-3-methylimidazolium cation ([bmim](+)) and iodide was studied. Charge transfer (CT) complexes form in solution and in neat [bmim]I ionic liquid, confirmed by spectroscopy and molecular orbital calculations.

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