Tautomerism, phototautomerism and infrared spectra of matrix-isolated 2-quinolinethione

Dorota Prusinowska, Leszek Lapinski, Maciej J. Nowak, Ludwik Adamowicz

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The IR spectra of thione and thiol tautomers of 2-quinolinethione isolated in Ar and N2 low-temperature matrices are reported. The UV-induced photochemical reaction, transforming the initially abundant thione form into the thiol form, was used for separation of the spectra of the two tautomers. The ratio of the tautomers before UV irradiation of the sample was estimated as [thione]/[thiol] = 7:1. The experimental spectra of 2(1 H)-quinolinethione and 2-quinolinethiol were interpreted by comparison with the spectra calculated theoretically at the ab initio SCF/6-31 G** level.

Original languageEnglish (US)
Pages (from-to)1809-1826
Number of pages18
JournalSpectrochimica Acta Part A: Molecular Spectroscopy
Volume51
Issue number11
StatePublished - Oct 1995

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Thiones
Photochemical reactions
Sulfhydryl Compounds
tautomers
infrared spectra
thiols
Irradiation
Infrared radiation
matrices
Temperature
photochemical reactions
self consistent fields
irradiation

ASJC Scopus subject areas

  • Engineering(all)
  • Analytical Chemistry
  • Spectroscopy
  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Tautomerism, phototautomerism and infrared spectra of matrix-isolated 2-quinolinethione. / Prusinowska, Dorota; Lapinski, Leszek; Nowak, Maciej J.; Adamowicz, Ludwik.

In: Spectrochimica Acta Part A: Molecular Spectroscopy, Vol. 51, No. 11, 10.1995, p. 1809-1826.

Research output: Contribution to journalArticle

Prusinowska, Dorota ; Lapinski, Leszek ; Nowak, Maciej J. ; Adamowicz, Ludwik. / Tautomerism, phototautomerism and infrared spectra of matrix-isolated 2-quinolinethione. In: Spectrochimica Acta Part A: Molecular Spectroscopy. 1995 ; Vol. 51, No. 11. pp. 1809-1826.
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