Jump to main content
Jump to site search

Issue 3, 2019
Previous Article Next Article

Atmospheric chemistry of a cyclic hydro-fluoro-carbon: kinetics and mechanisms of gas-phase reactions of 1-trifluoromethyl-1,2,2-trifluorocyclobutane with Cl atoms, OH radicals, and O3

Author affiliations

Abstract

Long path length FTIR-smog chamber techniques were used to study the title reactions in 700 Torr of N2 or air diluent at 296 ± 2 K. Values of k(Cl + 1-trifluoromethyl-1,2,2-trifluorocyclobutane (TFMTFCB)) = (1.16 ± 0.21) × 10−14 and k(OH + TFMTFCB) = (3.51 ± 0.88) × 10−14 cm3 molecule−1 s−1 were measured. No reactivity of TFMTFCB towards ozone was observed. The atmospheric lifetime of TFMTFCB is determined by the reaction with OH and is approximately 330 days. The chlorine initiated oxidation gives C(O)F2 and CF3C(O)F as the dominant products in yields of (92 ± 2)% and (89 ± 2)%, respectively. The OH radical initiated oxidation gives C(O)F2 and CF3C(O)F as the dominant products in yields of (91 ± 6)% and (84 ± 4)%, respectively. The GWP100 was calculated as 44. The atmospheric chemistry of the title compound, a cyclic halogenated alkane, is discussed in the context of other halogenated cyclo-alkanes.

Graphical abstract: Atmospheric chemistry of a cyclic hydro-fluoro-carbon: kinetics and mechanisms of gas-phase reactions of 1-trifluoromethyl-1,2,2-trifluorocyclobutane with Cl atoms, OH radicals, and O3

Back to tab navigation

Publication details

The article was received on 04 Jul 2018, accepted on 01 Aug 2018 and first published on 04 Jan 2019


Article type: Paper
DOI: 10.1039/C8CP04228D
Citation: Phys. Chem. Chem. Phys., 2019,21, 1497-1505
  •   Request permissions

    Atmospheric chemistry of a cyclic hydro-fluoro-carbon: kinetics and mechanisms of gas-phase reactions of 1-trifluoromethyl-1,2,2-trifluorocyclobutane with Cl atoms, OH radicals, and O3

    M. P. Sulbaek Andersen and O. J. Nielsen, Phys. Chem. Chem. Phys., 2019, 21, 1497
    DOI: 10.1039/C8CP04228D

Search articles by author

Spotlight

Advertisements