Temperature dependent high-resolution infrared photoabsorption cross-sections of trifluoromethyl sulphur pentafluoride

P. A. Kendall, Nigel J. Mason, G. A. Buchanan, George M. Marston, Petra Tegeder, Anita Dawes, Samuel Eden, Paulo Manuel Assis Loureiro Limão-vieira, David A. Newnham

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Absolute infrared photoabsorption cross-sections have been measured over the range 600-1500 cm-1 for the powerful greenhouse gas SF5CF3 at high resolution (0.03 cm-1) and at temperatures between 203 and 298 K. Our data indicate that the integrated absorption intensity shows a weak negative dependence on temperature. It is concluded therefore that previous calculations of radiative forcings and global warming potentials based on room-temperature data are reasonable estimates for the atmosphere, but may be low by a few percent.
Original languageEnglish
Pages (from-to)137-142
Number of pages6
JournalChemical Physics
Volume287
Issue number1-2
DOIs
Publication statusPublished - 1 Feb 2003

Keywords

  • Photoabsorption
  • Spectroscopy
  • Cross-sections
  • Greenhouse gas
  • SF5CF3

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