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Temperature-controlled kinetics of the growth and relaxation of alcohol clusters in an argon matrix

Pogorelov, Valeriy; Doroshenko, Iryna; Uvdal, Per LU ; Balevicius, Vytautas and Sablinskas, Valdas (2010) In Molecular Physics 108(17). p.2165-2170
Abstract
The clustering processes of monohydric alcohols (from methanol to hexanol) were investigated by FTIR spectroscopy using the isolation in an argon matrix technique. The transformation of the FTIR bands of the free O-H groups (3600-3800 cm(-1)) into diffuse bands (3000-3600 cm(-1)), which were assigned to the stretching vibrations of the H-bonded O-H groups in various clusters, was monitored in its initial stage during softening of the matrices by heating from 20 to 50 K. Band-shape analysis was carried out for the investigated systems. The magnitude of the inhomogeneous broadening due to the matrix effect was evaluated from the bandwidth of the monomer species. The H-bond dissociation times in matrices were evaluated from the cluster... (More)
The clustering processes of monohydric alcohols (from methanol to hexanol) were investigated by FTIR spectroscopy using the isolation in an argon matrix technique. The transformation of the FTIR bands of the free O-H groups (3600-3800 cm(-1)) into diffuse bands (3000-3600 cm(-1)), which were assigned to the stretching vibrations of the H-bonded O-H groups in various clusters, was monitored in its initial stage during softening of the matrices by heating from 20 to 50 K. Band-shape analysis was carried out for the investigated systems. The magnitude of the inhomogeneous broadening due to the matrix effect was evaluated from the bandwidth of the monomer species. The H-bond dissociation times in matrices were evaluated from the cluster bandwidths. These data correlate with those measured directly in ultra-fast infrared experiments of alcohols in solution. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
spectroscopy, IR, vibrational relaxation, monohydric alcohols, hydrogen bond, matrix isolation
in
Molecular Physics
volume
108
issue
17
pages
2165 - 2170
publisher
Taylor & Francis
external identifiers
  • wos:000281646900003
  • scopus:77956535313
ISSN
1362-3028
DOI
10.1080/00268976.2010.494629
language
English
LU publication?
yes
id
aebc64c1-9902-4f43-978f-86d3c9079629 (old id 1697633)
date added to LUP
2010-10-22 12:51:14
date last changed
2018-05-29 11:37:52
@article{aebc64c1-9902-4f43-978f-86d3c9079629,
  abstract     = {The clustering processes of monohydric alcohols (from methanol to hexanol) were investigated by FTIR spectroscopy using the isolation in an argon matrix technique. The transformation of the FTIR bands of the free O-H groups (3600-3800 cm(-1)) into diffuse bands (3000-3600 cm(-1)), which were assigned to the stretching vibrations of the H-bonded O-H groups in various clusters, was monitored in its initial stage during softening of the matrices by heating from 20 to 50 K. Band-shape analysis was carried out for the investigated systems. The magnitude of the inhomogeneous broadening due to the matrix effect was evaluated from the bandwidth of the monomer species. The H-bond dissociation times in matrices were evaluated from the cluster bandwidths. These data correlate with those measured directly in ultra-fast infrared experiments of alcohols in solution.},
  author       = {Pogorelov, Valeriy and Doroshenko, Iryna and Uvdal, Per and Balevicius, Vytautas and Sablinskas, Valdas},
  issn         = {1362-3028},
  keyword      = {spectroscopy,IR,vibrational relaxation,monohydric alcohols,hydrogen bond,matrix isolation},
  language     = {eng},
  number       = {17},
  pages        = {2165--2170},
  publisher    = {Taylor & Francis},
  series       = {Molecular Physics},
  title        = {Temperature-controlled kinetics of the growth and relaxation of alcohol clusters in an argon matrix},
  url          = {http://dx.doi.org/10.1080/00268976.2010.494629},
  volume       = {108},
  year         = {2010},
}