Research output: Contribution to journal › Article › peer-review
Journal | Chemical Physics Letters |
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Date | Published - 16 Oct 2015 |
Volume | 639 |
Number of pages | 5 |
Pages (from-to) | 289-293 |
Original language | English |
FTIR smog chamber techniques were used to measure the rate coefficients k(Cl + cis-CF3CH=CHCl) = (6.26 ± 0.84) × 10-11, k(OH + cis-CF3CH=CHCl) = (8.45 ± 1.52) × 10-13, and k(O3 + cis-CF3CH=CHCl) = (1.53 ± 0.12) × 10-21 cm3 molecule-1 s-1. The atmospheric lifetime of cis-CF3CH=CHCl is determined by reaction with OH radicals and is estimated to be 14 days. The infrared spectrum of cis-CF3CH=CHCl was recorded and the integrated absorption over the range 600-2000 cm-1 was measured to be (1.48 ± 0.07) × 10-16 cm molecule-1. Accounting for non-uniform horizontal and vertical mixing leads to a GWP100 value of essentially zero. Correction to account for unwanted Cl atom chemistry in our previous relative rate study of the kinetics of the reaction of OH with trans-CF3CH=CHCl gives k(OH + trans-CF3CH=CHCl) = (3.61 ± 0.37) × 10-13 cm3 molecule-1 s-1.
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