Criegee intermediates: production, detection and reactivity

R Chhantyal-Pun, MAH Khan, CA Taatjes… - … Reviews in Physical …, 2020 - Taylor & Francis
In the context of tropospheric chemistry, Criegee intermediates denote carbonyl oxides with
biradical/zwitterionic character (R1R2COO) that form during the ozonolysis of alkenes. First …

Unimolecular decay dynamics of Criegee intermediates: Energy-resolved rates, thermal rates, and their atmospheric impact

TA Stephenson, MI Lester - International Reviews in Physical …, 2020 - Taylor & Francis
Criegee intermediates are reactive species formed in the ozonolysis of alkenes. Their
subsequent chemistry is critical to an accounting of OH production, aerosol formation, and …

Direct kinetic measurements and theoretical predictions of an isoprene-derived Criegee intermediate

RL Caravan, MF Vansco, K Au… - Proceedings of the …, 2020 - National Acad Sciences
Isoprene has the highest emission into Earth's atmosphere of any nonmethane hydrocarbon.
Atmospheric processing of alkenes, including isoprene, via ozonolysis leads to the formation …

Direct gas-phase formation of formic acid through reaction of Criegee intermediates with formaldehyde

PL Luo, IY Chen, MAH Khan… - Communications Chemistry, 2023 - nature.com
Ozonolysis of isoprene is considered to be an important source of formic acid (HCOOH), but
its underlying reaction mechanisms related to HCOOH formation are poorly understood …

Observational evidence for Criegee intermediate oligomerization reactions relevant to aerosol formation in the troposphere

RL Caravan, TJ Bannan, FAF Winiberg, MAH Khan… - Nature …, 2024 - nature.com
Criegee intermediates are reactive intermediates that are implicated in transforming the
composition of Earth's troposphere and in the formation of secondary organic aerosol …

Fates of organic hydroperoxides in atmospheric condensed phases

S Enami - The Journal of Physical Chemistry A, 2021 - ACS Publications
The fates of organic hydroperoxides (ROOHs) in atmospheric condensed phases are key to
understanding the oxidative and toxicological potentials of particulate matter. Recently …

Temperature-dependent kinetics of the atmospheric reaction between CH 2 OO and acetone

PB Wang, DG Truhlar, Y Xia, B Long - Physical Chemistry Chemical …, 2022 - pubs.rsc.org
Criegee intermediates are important oxidants produced in the ozonolysis of alkenes in the
atmosphere. Quantitative kinetics of the reactions of Criegee intermediates are required for …

Investigation of the production of trifluoroacetic acid from two halocarbons, HFC-134a and HFO-1234yf and its fates using a global three-dimensional chemical …

R Holland, MAH Khan, I Driscoll… - ACS Earth and Space …, 2021 - ACS Publications
Trifluoroacetic acid (TFA), a highly soluble and stable organic acid, is photochemically
produced by certain anthropogenically emitted halocarbons such as HFC-134a and HFO …

[HTML][HTML] Opinion: Challenges and needs of tropospheric chemical mechanism development

B Ervens, A Rickard, B Aumont… - Atmospheric …, 2024 - acp.copernicus.org
Chemical mechanisms form the core of atmospheric models to describe degradation
pathways of pollutants and ultimately inform air quality and climate policymakers and other …

Stability of terpenoid-derived secondary ozonides in aqueous organic media

J Qiu, M Fujita, K Tonokura… - The Journal of Physical …, 2022 - ACS Publications
1, 2, 4-Trioxolanes, known as secondary ozonides (SOZs), are key products of ozonolysis of
biogenic terpenoids. Functionalized terpenoid-derived SOZs are readily taken up into …