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 …

Exhaustive product analysis of three benzene discharges by microwave spectroscopy

MC McCarthy, KLK Lee, PB Carroll… - The Journal of …, 2020 - ACS Publications
Using chirped and cavity microwave spectroscopies, automated double resonance, new
high-speed fitting and deep learning algorithms, and large databases of computed …

Criegee intermediates meet rotational spectroscopy

C Cabezas, M Nakajima, Y Endo - International Reviews in …, 2020 - Taylor & Francis
Carbonyl oxides, R1R2COO, alternatively known as Criegee intermediates (CIs), are short-
lived molecules produced from ozonolysis of alkenes. These ozonolysis reactions yield …

Detailed mechanism and kinetics of the reaction of Criegee intermediate CH 2 OO with HCOOH investigated via infrared identification of conformers of …

CA Chung, JW Su, YP Lee - Physical Chemistry Chemical Physics, 2019 - pubs.rsc.org
The reaction of Criegee intermediate CH2OO with HCOOH is important in atmospheric
chemistry, but its mechanism and kinetics are little investigated. We recorded time-resolved …

Atmospheric Oxidation of Hydroperoxy Amides

ER Kjærgaard, KH Møller… - The Journal of Physical …, 2023 - ACS Publications
Recently, hydroperoxy amides were identified as major products of OH-initiated autoxidation
of tertiary amines in the atmosphere. The formation mechanism is analogous to that found …

Pure Rotational Spectroscopy of the CH2CN Radical Extended to the Sub-Millimeter Wave Spectral Region

O Chitarra, O Pirali, JT Spaniol, TS Hearne… - The Journal of …, 2022 - ACS Publications
We present a thorough pure rotational investigation of the CH2CN radical in its ground
vibrational state. Our measurements cover the millimeter and sub-millimeter wave spectral …

Experimental evidence for the elusive ketohydroperoxide pathway and the formation of glyoxal in ethylene ozonolysis

CS Lewin, O Herbinet, GA Garcia, P Arnoux… - Chemical …, 2022 - pubs.rsc.org
Despite decades of research on alkene ozonolysis, the kinetic network of the archetypal
case of ethylene (CH2CH2) with ozone (O3) still lacks consensus. In this work, experimental …

Formic acid catalyzed isomerization and adduct formation of an isoprene-derived Criegee intermediate: experiment and theory

MF Vansco, RL Caravan, S Pandit, K Zuraski… - Physical Chemistry …, 2020 - pubs.rsc.org
Isoprene is the most abundant non-methane hydrocarbon emitted into the Earth's
atmosphere. Ozonolysis is an important atmospheric sink for isoprene, which generates …

[HTML][HTML] Oligomer formation from the gas-phase reactions of Criegee intermediates with hydroperoxide esters: mechanism and kinetics

L Chen, Y Huang, Y Xue, Z Jia… - … Chemistry and Physics, 2022 - acp.copernicus.org
Hydroperoxide esters, formed in the reactions of carbonyl oxides (also called Criegee
intermediates, CIs) with formic acid, play a crucial role in the formation of secondary organic …

Decomposition of the simplest ketohydroperoxide in the ozonolysis of ethylene

N Genossar, JP Porterfield, JH Baraban - Physical Chemistry Chemical …, 2020 - pubs.rsc.org
Hydroperoxides from the ozonolysis of alkenes, in addition to Criegee intermediates, have
been proposed as an atmospheric source of OH radicals in the absence of sunlight, but …