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In this paper, the interaction between α, ω-glycol dibenzoates and trifluoroacetic acid has been studied. It has been demonstrated by absorption spectra that charge transfer complex does not form between them in the ground state. But in the excited state, exciplex was formed between excited a, ω-glycol dibenzoates and trifluoroacetic acid. By means of isotopic effect, changing of trifluoroacetic acid by phosphoric acid and adding buffer solution etc., it was proved that exciplex was formed between excited α, ω-glycol dibenzoates and proton. It is very interesting to observe that not only exciplex was formed but triple exciplex was formed also.
In this paper, the interaction between α, ω-glycol dibenzoates and trifluoroacetic acid has been studied. It has been demonstrated by absorbing spectra that charge transfer complex does not form between them in the ground state. But in the excited state, exciplex was formed. between excited a, ω-glycol dibenzoates and trifluoroacetic acid. By means of isotopic effect, changing of trifluoroacetic acid by phosphoric acid and adding buffer solution etc., it was proved that exciplex was formed between excited α, ω-glycol dibenzoates and proton. It is very interesting to observe that not only exciplex was formed but triple exciplex was formed also.