Kinetics and mechanisms of the reaction of OH radicals with dimethyl sulfide

1988 ◽  
Vol 20 (6) ◽  
pp. 415-431 ◽  
Author(s):  
I. Barnes ◽  
V. Bastian ◽  
K. H. Becker
Keyword(s):  
Dimethyl Sulfide ◽  
Oh Radicals

Unraveling the role of additional OH-radicals in the H–Abstraction from Dimethyl sulfide using quantum chemical computations

2020 ◽  
Vol 739 ◽  
pp. 136963 ◽  
Author(s):  
Zoi Salta ◽  
Jacopo Lupi ◽  
Nicola Tasinato ◽  
Vincenzo Barone ◽  
Oscar N. Ventura
Keyword(s):  
Quantum Chemical ◽  
Dimethyl Sulfide ◽  
Oh Radicals ◽  
Quantum Chemical Computations

Rate coefficients for the gas-phase reaction of OH radicals with dimethyl sulfide: temperature and O2partial pressure dependence

2006 ◽  
Vol 8 (6) ◽  
pp. 728-736 ◽  
Author(s):  
Mihaela Albu ◽  
Ian Barnes ◽  
Karl H. Becker ◽  
Iulia Patroescu-Klotz ◽  
Raluca Mocanu ◽  
...  
Keyword(s):  
Gas Phase ◽  
Pressure Dependence ◽  
Dimethyl Sulfide ◽  
Rate Coefficients ◽  
Oh Radicals ◽  
Phase Reaction ◽  
Gas Phase Reaction

The reaction of OH radicals with dimethyl sulfide

1986 ◽  
Vol 18 (8) ◽  
pp. 837-846 ◽  
Author(s):  
Timothy J. Wallington ◽  
Roger Atkinson ◽  
Ernesto C. Tuazon ◽  
Sara M. Aschmann
Keyword(s):  
Dimethyl Sulfide ◽  
Oh Radicals

scholarly journals Fast Peroxy Radical Isomerization and OH Recycling in the Reaction of OH Radicals with Dimethyl Sulfide

2019 ◽  
Vol 10 (21) ◽  
pp. 6478-6483 ◽  
Author(s):  
T. Berndt ◽  
W. Scholz ◽  
B. Mentler ◽  
L. Fischer ◽  
E. H. Hoffmann ◽  
...  
Keyword(s):  
Dimethyl Sulfide ◽  
Peroxy Radical ◽  
Oh Radicals

An absolute and relative rate study of the reaction of oh radicals with dimethyl sulfide

1989 ◽  
Vol 21 (12) ◽  
pp. 1101-1112 ◽  
Author(s):  
Ole J. Nielsen ◽  
Howard W. Sidebottom ◽  
Linda Nelson ◽  
Jack J. Treacy ◽  
Denis J. O'farrell
Keyword(s):  
Dimethyl Sulfide ◽  
Relative Rate ◽  
Oh Radicals ◽  
Rate Study

New pathways of the reaction of OH radicals with dimethyl sulfide based on CH3SCH2O2 isomerization

2020 ◽  
Author(s):  
Torsten Berndt ◽  
Wiebke Scholz ◽  
Bernhard Mentler ◽  
Lukas Fischer ◽  
Erik Hans Hoffmann ◽  
...  
Keyword(s):  
Atmospheric Chemistry ◽  
Dimethyl Sulfide ◽  
Peroxy Radical ◽  
Product Formation ◽  
Experimental Investigations ◽  
Oh Radicals ◽  
Atmospheric Conditions ◽  
Free Jet ◽  
Isomerization Process ◽  
Efficient Detection

<p>Dimethyl sulfide (DMS), produced by marine organisms, represents the most abundant, biogenic sulfur emission into the Earth´s atmosphere. The gas-phase degradation of DMS is mainly initiated by the reaction with the OH radical forming first CH<sub>3</sub>SCH<sub>2</sub>O<sub>2</sub> radicals from the dominant H-abstraction channel. A fast CH<sub>3</sub>SCH<sub>2</sub>O<sub>2</sub> isomerization process was proposed as a result of quantum chemical calculations. In the present study, experimental investigations on the product formation from OH + DMS have been conducted in a free-jet flow system at 295 ± 2 K and 1 bar air. Very efficient detection of CH<sub>3</sub>SCH<sub>2</sub>O<sub>2</sub> isomerization products has been achieved by iodide-CI-APi-TOF measurements allowing to run the reaction for close to atmospheric conditions. It is experimentally shown that the CH<sub>3</sub>SCH<sub>2</sub>O<sub>2</sub> radicals undergo a two-step isomerization process finally forming a product consistent with the formula HOOCH<sub>2</sub>SCHO. The isomerization process is accompanied by OH recycling. The rate-limiting first isomerization step, CH<sub>3</sub>SCH<sub>2</sub>O<sub>2</sub> → CH<sub>2</sub>SCH<sub>2</sub>OOH proceeds with k = (0.23 ± 0.12) s<sup>-1</sup> at 295 ± 2 K. Competing bimolecular CH<sub>3</sub>SCH<sub>2</sub>O<sub>2</sub> reactions with NO, HO<sub>2</sub> or RO<sub>2</sub> radicals are less important for trace-gas conditions over the oceans.  Results of atmospheric chemistry simulations demonstrate the predominance (≥95%) of CH<sub>3</sub>SCH<sub>2</sub>O<sub>2</sub> isomerization. The rapid peroxy radical isomerization, not yet considered in models, substantially changes the understanding of DMS´s degradation processes in the atmosphere.</p>

ChemInform Abstract: An Absolute and Relative Rate Study of the Reaction of OH Radicals with Dimethyl Sulfide

ChemInform ◽  
1990 ◽  
Vol 21 (13) ◽  
Author(s):  
O. J. NIELSEN ◽  
H. W. SIDEBOTTOM ◽  
L. NELSON ◽  
J. J. TREACY ◽  
D. J. O'FARRELL
Keyword(s):  
Dimethyl Sulfide ◽  
Relative Rate ◽  
Oh Radicals ◽  
Rate Study

Rate constant for the reaction of OH radicals with dimethyl sulfide

1987 ◽  
Vol 19 (12) ◽  
pp. 1073-1082 ◽  
Author(s):  
Yen-Chung Hsu ◽  
Dze-Shu Chen ◽  
Yuan-Pern Lee
Keyword(s):  
Rate Constant ◽  
Dimethyl Sulfide ◽  
Oh Radicals

ChemInform Abstract: Kinetics and Mechanisms of the Reaction of OH Radicals with Dimethyl Sulfide

ChemInform ◽  
1988 ◽  
Vol 19 (38) ◽  
Author(s):  
I. BARNES ◽  
V. BASTIAN ◽  
K. H. BECKER
Keyword(s):  
Dimethyl Sulfide ◽  
Oh Radicals
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