Trifluoro methyl peroxynitrate (CF3OONO2): Temperature dependence of the UV absorption spectrum and atmospheric implications

The ultraviolet absorption spectrum of gas phase CF3OONO2 has been measured over the wavelength range 200–340 nm at 233–300 K. Absorption cross-sections at wavelengths of 290–340 nm were found to increase significantly with increasing temperature. The UV spectra of CF3C(O)Cl and CF3C(O)F were measured and were consistent with previous work [Rattigan et al., 1993. Temperature-dependent absorption cross-sections of CF3COCl, CF3COF, CH3COF, CCl3CHO and CF3COOH. Journal of Photochemistry and Photobiology A: Chemistry 73, 1–9]. Implications for the atmospheric chemistry of CF3OONO2 are discussed.