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

Kendall, P.; Mason, N. J.; Buchanan, G. A.; Marston, G.; Tegeder, P.; Dawes, A.; Eden, S.; Limão-Vieira, P. and Newnham, D. A. (2003). Temperature dependent high-resolution infrared photoabsorption cross sections of trifluoromethyl sulphur pentafluoride. Chemical Physics, 287(1-2) pp. 137–142.

DOI: https://doi.org/10.1016/S0301-0104(02)00985-0

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.

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