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Vibrational dephasing of I3− in cooled ethanol solutions — where is the inhomogeneity?

✍ Scribed by Zhaohui Wang; Thierry Wasserman; Erez Gershgoren; Sanford Ruhman

Book ID
104304107
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
430 KB
Volume
86
Category
Article
ISSN
0167-7322

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✦ Synopsis

The vibrational dephasing of triiodide ions is studied in ethanol solutions, at temperatures ranging from room temperature to 80IC The dynamics of dephasing is demonstrated to be homogeneous throughout that range, and not to be dominated by population relaxation. The very mild temperature dependence of the dephasing rate, and the lack of observable inhomogeneous broadening, even in the solid, are discussed.

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Ah&met-The equilibrium between I and the product restthing from the addition of ethanol to one of its C-N double bonds: 3-ethoxy-3,4-diphenyl-lJ,Qhiadisxohne 1,ldioxide (II), is studied by electrochemical methods in ethanol (EtOH)-acetonitrile (ACN) solvent mixtures. The equilibrium constant is meas