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@ARTICLE{Taatjes:902267,
author = {Taatjes, Craig A. and Caravan, Rebecca L. and Winiberg,
Frank A. F. and Zuraski, Kristen and Au, Kendrew and Sheps,
Leonid and Osborn, David L. and Vereecken, Luc and Percival,
Carl J.},
title = {{I}nsertion products in the reaction of carbonyl oxide
{C}riegee intermediates with acids:
{C}hloro(hydroperoxy)methane formation from reaction of {CH}
2 {OO} with {HC}l and {DC}l},
journal = {Molecular physics},
volume = {119},
number = {17-18},
issn = {1362-3028},
address = {London},
publisher = {Taylor $\&$ Francis},
reportid = {FZJ-2021-04130},
pages = {e1975199},
year = {2021},
abstract = {The reactions of carbonyl oxide Criegee intermediates with
acids proceed predominantly by an insertion mechanism. We
characterise the products from one of the simplest reactions
of carbonyl oxides with inorganic acids, CH2OO + hydrogen
chloride, which occurs via a 1,2-insertion in the H–Cl
bond. Reactions of both HCl and DCl isotopologues yield
product signal at the mass of the insertion product
chloro(hydroperoxy)methane and a dissociative ionisation
peak at the mass of the protonated (or deuteronated) Criegee
intermediate. The isotopic composition of the insertion
product has been measured for reaction mixtures where both
HCl isotopologues are present, and the H/D ratio of the
product is consistently higher (by a factor of
1.6 ± 0.3) than that of the reactants. This isotope
selectivity in the products has smaller uncertainty than the
ratio of measured rate coefficients and suggests a normal
(kH > kD) kinetic isotope effect in the reaction.
Theoretical kinetics calculations predict a small normal
kinetic isotope effect for the overall reaction (kH /
kD = 1.35 at 20 Torr N2 and kH / kD = 1.2 at 1 atm
N2) but predict a substantial inverse kinetic isotope effect
(kD > kH) for the stabilisation fraction, in disagreement
with the experimental observation.},
cin = {IEK-8},
ddc = {530},
cid = {I:(DE-Juel1)IEK-8-20101013},
pnm = {2111 - Air Quality (POF4-211)},
pid = {G:(DE-HGF)POF4-2111},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000696477300001},
doi = {10.1080/00268976.2021.1975199},
url = {https://juser.fz-juelich.de/record/902267},
}