Atmospheric chemistry of CH2BrCl: Kinetics and mechanism of the reaction of F atoms with CH2BrCl and fate of the CHBrClO. radical

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Standard

Atmospheric chemistry of CH2BrCl : Kinetics and mechanism of the reaction of F atoms with CH2BrCl and fate of the CHBrClO. radical. / Bilde, Merete; Sehested, Jens; Nielsen, Ole John; Wallington, Timothy J.

I: Journal of Physical Chemistry A, Bind 101, Nr. 30, 24.07.1997, s. 5477-5488.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Bilde, M, Sehested, J, Nielsen, OJ & Wallington, TJ 1997, 'Atmospheric chemistry of CH2BrCl: Kinetics and mechanism of the reaction of F atoms with CH2BrCl and fate of the CHBrClO. radical', Journal of Physical Chemistry A, bind 101, nr. 30, s. 5477-5488.

APA

Bilde, M., Sehested, J., Nielsen, O. J., & Wallington, T. J. (1997). Atmospheric chemistry of CH2BrCl: Kinetics and mechanism of the reaction of F atoms with CH2BrCl and fate of the CHBrClO. radical. Journal of Physical Chemistry A, 101(30), 5477-5488.

Vancouver

Bilde M, Sehested J, Nielsen OJ, Wallington TJ. Atmospheric chemistry of CH2BrCl: Kinetics and mechanism of the reaction of F atoms with CH2BrCl and fate of the CHBrClO. radical. Journal of Physical Chemistry A. 1997 jul. 24;101(30):5477-5488.

Author

Bilde, Merete ; Sehested, Jens ; Nielsen, Ole John ; Wallington, Timothy J. / Atmospheric chemistry of CH2BrCl : Kinetics and mechanism of the reaction of F atoms with CH2BrCl and fate of the CHBrClO. radical. I: Journal of Physical Chemistry A. 1997 ; Bind 101, Nr. 30. s. 5477-5488.

Bibtex

@article{d3f877ff715c42829977e2d7f6c60f9c,
title = "Atmospheric chemistry of CH2BrCl: Kinetics and mechanism of the reaction of F atoms with CH2BrCl and fate of the CHBrClO. radical",
abstract = "The reaction of F atoms with CH2BrCl was studied using a pulsed radiolysis technique and found to proceed via two channels: direct hydrogen abstraction and adduct formation. The adduct exists in equilibrium with F atoms and CH2BrCl. The equilibrium constant K4 = [Adduct]/([CH2BrCl][F]) = (4.2 ± 1.0) × 10-16 cm3molecule-1. In 1000 mbar total pressure of SF6 at 294 ± 2 K, the yield of the adduct is 68 ± 11% and the overall rate constant for reaction of F atoms with CH2BrCl is k4 (1000 mbar) = (3.6 ± 0.9) × 10-11 cm3 molecule-1 s-1. The adduct reacts with NO with a rate constant of (2.09 ± 0.41) × 10-11 cm3 molecule-1 s-1. The atmospheric fate of the alkoxy radical CHBrClO is Br atom elimination, which occurs at a rate estimated to be >2 × 106 s-1 in 700 Torr of air at 295 K. Relative rate techniques were used to measure k(Cl + CH2BrCl) = (4.2 ± 0.5) × 10-13 and k(F + CH2BrCl → CHBrCl + HF) = (1.2 ± 0.4) × 10-11 cm3 molecule-1 s-1. These results are compared to the available literature data.",
author = "Merete Bilde and Jens Sehested and Nielsen, {Ole John} and Wallington, {Timothy J.}",
year = "1997",
month = jul,
day = "24",
language = "English",
volume = "101",
pages = "5477--5488",
journal = "Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory",
issn = "1089-5639",
publisher = "American Chemical Society",
number = "30",

}

RIS

TY - JOUR

T1 - Atmospheric chemistry of CH2BrCl

T2 - Kinetics and mechanism of the reaction of F atoms with CH2BrCl and fate of the CHBrClO. radical

AU - Bilde, Merete

AU - Sehested, Jens

AU - Nielsen, Ole John

AU - Wallington, Timothy J.

PY - 1997/7/24

Y1 - 1997/7/24

N2 - The reaction of F atoms with CH2BrCl was studied using a pulsed radiolysis technique and found to proceed via two channels: direct hydrogen abstraction and adduct formation. The adduct exists in equilibrium with F atoms and CH2BrCl. The equilibrium constant K4 = [Adduct]/([CH2BrCl][F]) = (4.2 ± 1.0) × 10-16 cm3molecule-1. In 1000 mbar total pressure of SF6 at 294 ± 2 K, the yield of the adduct is 68 ± 11% and the overall rate constant for reaction of F atoms with CH2BrCl is k4 (1000 mbar) = (3.6 ± 0.9) × 10-11 cm3 molecule-1 s-1. The adduct reacts with NO with a rate constant of (2.09 ± 0.41) × 10-11 cm3 molecule-1 s-1. The atmospheric fate of the alkoxy radical CHBrClO is Br atom elimination, which occurs at a rate estimated to be >2 × 106 s-1 in 700 Torr of air at 295 K. Relative rate techniques were used to measure k(Cl + CH2BrCl) = (4.2 ± 0.5) × 10-13 and k(F + CH2BrCl → CHBrCl + HF) = (1.2 ± 0.4) × 10-11 cm3 molecule-1 s-1. These results are compared to the available literature data.

AB - The reaction of F atoms with CH2BrCl was studied using a pulsed radiolysis technique and found to proceed via two channels: direct hydrogen abstraction and adduct formation. The adduct exists in equilibrium with F atoms and CH2BrCl. The equilibrium constant K4 = [Adduct]/([CH2BrCl][F]) = (4.2 ± 1.0) × 10-16 cm3molecule-1. In 1000 mbar total pressure of SF6 at 294 ± 2 K, the yield of the adduct is 68 ± 11% and the overall rate constant for reaction of F atoms with CH2BrCl is k4 (1000 mbar) = (3.6 ± 0.9) × 10-11 cm3 molecule-1 s-1. The adduct reacts with NO with a rate constant of (2.09 ± 0.41) × 10-11 cm3 molecule-1 s-1. The atmospheric fate of the alkoxy radical CHBrClO is Br atom elimination, which occurs at a rate estimated to be >2 × 106 s-1 in 700 Torr of air at 295 K. Relative rate techniques were used to measure k(Cl + CH2BrCl) = (4.2 ± 0.5) × 10-13 and k(F + CH2BrCl → CHBrCl + HF) = (1.2 ± 0.4) × 10-11 cm3 molecule-1 s-1. These results are compared to the available literature data.

UR - http://www.scopus.com/inward/record.url?scp=0031189103&partnerID=8YFLogxK

M3 - Journal article

AN - SCOPUS:0031189103

VL - 101

SP - 5477

EP - 5488

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 - 30

ER -

ID: 227486919