Abstract
Detailed infrared absorption measurements on acetanilide (ACN) and six specifically deuterated or fluorinated species show at low temperature a very strong anharmonic intensity of the amide-V or N-H out-of-plane bending mode at 500–800 cm−1. The temperature dependence of this band is studied and discussed within the frame of the existing theoretical models proposed for ACN spectra. The features of this anomalous behaviour are consistent with the hypothesis of intrinsic localized modes.
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Kellouai, H., Barthes, M., Page, G. et al. Localization of the amide group energy in acetanilide: Amide-V vibrations. J Biol Phys 21, 25–36 (1995). https://doi.org/10.1007/BF00701007
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DOI: https://doi.org/10.1007/BF00701007