Atmospheric chemistry of cis-CF₃CH=CHCl (HCFO-1233zd(Z)): kinetics of the gas-phase reactions with Cl atoms, OH radicals, and O₃

TY - JOUR

T1 - Atmospheric chemistry of cis-CF3CH=CHCl (HCFO-1233zd(Z))

T2 - kinetics of the gas-phase reactions with Cl atoms, OH radicals, and O3

AU - Andersen, Lene Løffler

AU - Østerstrøm, Freja From

AU - Andersen, Mads Peter Sulbæk

AU - Nielsen, Ole John

AU - Wallington, Timothy J.

PY - 2015/10/16

Y1 - 2015/10/16

N2 - 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.

AB - 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.

U2 - 10.1016/j.cplett.2015.09.008

DO - 10.1016/j.cplett.2015.09.008

M3 - Journal article

SN - 0009-2614

VL - 639

SP - 289

EP - 293

JO - Chemical Physics Letters

JF - Chemical Physics Letters

ER -