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Title: Comment on “A novel and facile decay path of Criegee intermediates by intramolecular insertion reactions via roaming transition states” [J. Chem. Phys. 142, 124312 (2015)]

We discuss the recent report of a roaming type mechanism for the decomposition of the Criegee intermediate. We show that the predicted barrier height for this new pathway is too low by ∼30 kcal/mol owing to an inconsistent use of spin-restricted and spin-unrestricted calculations. As a result, this new pathway is not expected to compete significantly with the well-known dioxirane pathways for the decomposition of the Criegee intermediate.
Authors:
;  [1]
  1. Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439 (United States)
Publication Date:
OSTI Identifier:
22493186
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Chemical Physics; Journal Volume: 143; Journal Issue: 16; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; DECAY; DECOMPOSITION; SPIN