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. Author manuscript; available in PMC: 2012 Jun 27.
Published in final edited form as: J Phys Chem Lett. 2011 Jun 27;2011(2):1672–1676. doi: 10.1021/jz2006447

Figure 3.

Figure 3

FTIR absorbance spectra of PyrNNN, D4-PyrNNN, Pyr15NNN, PyrNN15N, PyrN15NN and PyrN15N15N in the azide asymmetric stretching region recorded at 298 K in THF. The maximum absorbance of each spectrum has been normalized to unity and the spectra were offset for comparison.