Theoretical study of the OH+NO2 reaction: Formation of nitric acid and the hydroperoxyl radical

D. Chakraborty, J. Park, Ming-Chang Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

51 Scopus citations


The reaction of OH with NO2 has been studied by high level ab initio molecular orbital and statistical theory calculations. The potential energy surface for the association leading to the formation of HNO3 by collisional deactivation and the formation of endothermic products, HO2 and NO via the HOONO intermediate have been computed with a modified Gaussian 2 (G2M) method. The rate constants for these two channels have been calculated by means of the canonical variational RRKM approach. The predicted values correlate reasonably well with experimental data for both the forward and reverse processes.

Original languageEnglish
Pages (from-to)39-49
Number of pages11
JournalChemical Physics
Issue number1
StatePublished - 15 May 1998

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