Deuterium isotope effects on the ultrafast solvent relaxation of formamide and n,n-dimethylformamide

Y. J. Chang, Ed Castner

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

We present the results of our study on the ultrafast solvent dynamics of the amides formamide (FA), N-dimethylformamide (DMF), and their deuterated analogs HCOND2 (d2-FA) and DCON(CD3)2 (d7-DMF) us femtosecond optical-heterodyne-detected Raman-induced Kerr effect spectroscopy (OHD-RIKES). As nearly transform-limited 50 fs optical pulses and the Fourier-transform relationship, we have studied liquid dynamics in the frequency range from 0.6 to 400 cm-1. In comparison to the depolarized Rayle spectroscopy technique. OHD-RIKES is shown to provide more accurate and detailed information about low-frequency region that includes the rotational reorientation, librational and collision-induced dynamic. The effect of deuterium isotope substitution on the inertial as well as diffusive reorientational dynamics these amide liquids is discussed.

Original languageEnglish
Pages (from-to)9712-9722
Number of pages11
JournalJournal of Physical Chemistry
Volume98
Issue number39
Publication statusPublished - Jan 1 1994

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Dimethylformamide
Deuterium
Isotopes
isotope effect
deuterium
Spectroscopy
Kerr effects
Amides
amides
spectroscopy
Liquids
liquids
retraining
Laser pulses
Fourier transforms
Substitution reactions
isotopes
frequency ranges
Mathematical transformations
substitutes

ASJC Scopus subject areas

  • Engineering(all)
  • Physical and Theoretical Chemistry

Cite this

Deuterium isotope effects on the ultrafast solvent relaxation of formamide and n,n-dimethylformamide. / Chang, Y. J.; Castner, Ed.

In: Journal of Physical Chemistry, Vol. 98, No. 39, 01.01.1994, p. 9712-9722.

Research output: Contribution to journalArticle

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