Table 1

Some band assignments for triflate species

Band

Wave number (cm^-1)

Assignment

ν_s(SO₃)

1,032

Free Tf^- ions, solvent-separated pairs

1,040

Ion pairs (LiTf), LiTf₂^-, LiTf₃^2-

1,051

Li₂Tf⁺ aggregate

1,062

Li₃Tf²⁺ aggregate

Lim et al. Nanoscale Research Letters 2012 7:19   doi:10.1186/1556-276X-7-19