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. Author manuscript; available in PMC: 2010 Sep 15.
Published in final edited form as: Acc Chem Res. 2009 Sep 15;42(9):1210–1219. doi: 10.1021/ar900043h

Figure 3.

Figure 3

2D IR vibrational echo spectra of the 5.5 M (n = 7) solution of NaBF4 at Tw = 200 fs (A) and Tw = 4 ps (B). Positive going peaks are marked by + and negative going peaks are marked by -. By 4 ps additional peaks at locations labeled A, B, and C have grown in because of chemical exchange (see text).