Pathways for the OH + Cl2 → HOCl + Cl and HOCl + Cl → HCl + ClO Reactions

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Pathways for the OH + Cl2 → HOCl + Cl and HOCl + Cl → HCl + ClO Reactions.

High level coupled-cluster theory, with spin-orbit coupling evaluated via the Breit-Pauli operator in the interacting-states approach, is used to investigate the OH radical reaction with Cl2 and the subsequent reaction HOCl + Cl. The entrance complex, transition state, and exit complex for both reactions have been determined using the CCSD(T) method with correlation consistent basis sets up to ...

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Cl atoms in the marine atmosphere may significantly impact the lifetimes of methane and other hydrocarbons. However, the existing estimates of Cl atom levels in marine air are based on indirect evidence. Here we present measurements of the Cl precursors HOCl and Cl2 in the marine boundary layer during June of 2009 at the Cape Verde Atmospheric Observatory in the eastern tropical Atlantic. These...

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Estimating the abundance of ClO from simultaneous remote sensing measurements of HO2, OH, and HOCl

Using a simple photochemical model we derive the mixing ratio profile of ClO in the altitude range 20–38 km from simultaneous measurements of HO2, OH, HOCl, temperature, pressure, and ozone. The measurements were made with the FIRS-2 far-infrared spectrometer during a balloon flight on September 29, 1992. We compare the derived ClO with the ClO profile obtained by the SLS instrument while flyin...

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ژورنال

عنوان ژورنال: The Journal of Physical Chemistry A

سال: 2015

ISSN: 1089-5639,1520-5215

DOI: 10.1021/acs.jpca.5b01273