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2D-IR spectroscopy: an additional dimension to investigate ultrafast structural dynamics

  Articoli su Riviste JCR/ISI  (anno 2013)

Autori:  Lima M., Candelaresi M., Foggi P

Affiliazione Autori:  European Laboratory for Non-linear Spectroscopy (LENS), Sesto Fiorentino, Italy; CNR-INO, Polo Scientifico Universitario, Sesto Fiorentino, Italy; Adrok Ltd. 49-1 West Bowling Green Street Edinburgh, Scotland; Department of Chemistry, University of Perugia, Italy

Riassunto:  We describe the theory, some experimental details and the data analysis procedures of two-dimensional infrared (2D-IR) spectroscopy. A brief description of an application of the technique to the study of a dipeptide in solution is also reported. Like multi-dimensional NMR spectroscopy, 2D-IR can provide additional pieces of information hidden in the inhomogenously broadened bands observed in linear IR spectra. In addition, the presence of off-diagonal peaks allows a direct estimate of the couplings between vibrational modes. By means of this technique, making use of ultrashort mid-infrared pulses, exploration of the structure and of the dynamics of molecular systems in the condensed phase and on very short time scales becomes now achievable. The effects of solvent dynamics on Glycine-L-Alanine-Methylamide by 2D-IR are discussed. Copyright (c) 2013 John Wiley & Sons, Ltd.

Rivista/Giornale:  JOURNAL OF RAMAN SPECTROSCOPY
Volume n.:  44 (10)      Pagine da: 1470  a: 1477
Ulteriori informazioni:  This article is dedicated to the memory of Robin M. Hochstrasser, the pioneer of multi-dimensional infrared spectroscopy. The authors acknowledge the Italian \"Ministero dell\'Istruzione, dell\'Universita e della Ricerca\" (PRIN 2008 2008BFJ34R and FIRB RBFR10Y5VW) and the \"Ente Cassa di Risparmio di Firenze\" for their financial support. The authors wish to thank the referees for their constructive suggestions and criticisms.
DOI: 10.1002/jrs.4311

*Impact Factor della Rivista: (2013) 2.519   *Citazioni: 6
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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