Kinetics and mechanism of the reaction of Cl atoms with nitrobenzene
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Kinetics and mechanism of the reaction of Cl atoms with nitrobenzene. / Frøsig, L.; Nielsen, O. J.; Bilde, M.; Wallington, T. J.; Orlando, J. J.; Tyndall, G. S.
I: Journal of Physical Chemistry A, Bind 104, Nr. 48, 07.12.2000, s. 11328-11331.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Kinetics and mechanism of the reaction of Cl atoms with nitrobenzene
AU - Frøsig, L.
AU - Nielsen, O. J.
AU - Bilde, M.
AU - Wallington, T. J.
AU - Orlando, J. J.
AU - Tyndall, G. S.
PY - 2000/12/7
Y1 - 2000/12/7
N2 - Smog chamber/FTIR techniques were used to study the kinetics and mechanism of the reaction of Cl atoms with nitrobenzene (C6H5NO2) in 10-700 Torr of N2, or air, at 296 K. The reaction proceeds with a rate constant k(Cl + C6H5NO2) = (9.3 ± 1.9) × 10-13 cm3 molecule-1 s-1 to give C6H5Cl and NO2 products in essentially 100% yield. The observed product yields suggest that the reaction proceeds via a displacement mechanism (probably addition followed by elimination). The UV-visible absorption spectrum of C6H5NO2 was measured. Photolysis of C6H5NO2 is estimated to occur at a rate of (3 ± 2) × 10-5 s-1 for a solar zenith angle of 25° (representative of a typical summer day at 40°N) and is likely to be the dominant atmospheric loss mechanism for C6H5NO2.
AB - Smog chamber/FTIR techniques were used to study the kinetics and mechanism of the reaction of Cl atoms with nitrobenzene (C6H5NO2) in 10-700 Torr of N2, or air, at 296 K. The reaction proceeds with a rate constant k(Cl + C6H5NO2) = (9.3 ± 1.9) × 10-13 cm3 molecule-1 s-1 to give C6H5Cl and NO2 products in essentially 100% yield. The observed product yields suggest that the reaction proceeds via a displacement mechanism (probably addition followed by elimination). The UV-visible absorption spectrum of C6H5NO2 was measured. Photolysis of C6H5NO2 is estimated to occur at a rate of (3 ± 2) × 10-5 s-1 for a solar zenith angle of 25° (representative of a typical summer day at 40°N) and is likely to be the dominant atmospheric loss mechanism for C6H5NO2.
UR - http://www.scopus.com/inward/record.url?scp=0034514071&partnerID=8YFLogxK
U2 - 10.1021/jp002696o
DO - 10.1021/jp002696o
M3 - Journal article
AN - SCOPUS:0034514071
VL - 104
SP - 11328
EP - 11331
JO - Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory
JF - Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory
SN - 1089-5639
IS - 48
ER -
ID: 223681038