Issue 23, 2002

An experimental study of the gas-phase reaction of the NO3 radical with 1,4-pentadiene, Z-1,3-pentadiene and E-1,3-pentadiene

Abstract

Relative-rate and absolute techniques have been used to obtain rate coefficients for the reactions between the NO3 radical and 1,4-pentadiene (k1), Z-1,3-pentadiene (k2) and E-1,3-pentadiene (k3). The rate coefficients obtained by the relative-rate method at T = 300 ± 1 K and P = 759 ± 7 Torr are k1 = (2.3 ± 0.3) × 10−14 cm3 molecule−1 s−1, k2 = (2.0 ± 0.3) × 10−12 cm3 molecule−1 s−1 and k3 = (2.4 ± 0.3) × 10−12 cm3 molecule−1 s−1. The rate coefficients determined by the discharge–flow technique at low pressure (P = 1.8–4.5 Torr) and at T = 300 ± 3 K are k1 = (2.3 ± 0.6) × 10−14 cm3 molecule−1 s−1, k2 = (1.4 ± 0.4) × 10−12 cm3 molecule−1 s−1 and k3 = (1.6 ± 0.4) × 10−12 cm3 molecule−1 s−1. The authors suggest the use of the values k1 = (2.3 ± 0.5) × 10−14 cm3 molecule−1 s−1, k2 = (1.7 ± 0.4) × 10−12 cm3 molecule−1 s−1 and k3 = (2.0 ± 0.4) × 10−12 cm3 molecule−1 s−1 for atmospheric calculations.

Article information

Article type
Paper
Submitted
29 Aug 2002
Accepted
14 Oct 2002
First published
30 Oct 2002

Phys. Chem. Chem. Phys., 2002,4, 5821-5826

An experimental study of the gas-phase reaction of the NO3 radical with 1,4-pentadiene, Z-1,3-pentadiene and E-1,3-pentadiene

C. S. E. Bale, C. E. Canosa-Mas, M. L. Flugge and R. P. Wayne, Phys. Chem. Chem. Phys., 2002, 4, 5821 DOI: 10.1039/B208447C

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