Photolysis of nitric acid in solid nitrogen

Whei Jen Chen, Wen Jui Lo, Bing Ming Cheng, Yuan-Pern Lee*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


The large shifts (-30.5 and +41.7 cm-1, respectively) of the IR absorption lines of nitric acid (HONO2) in a N2 matrix in the ν1 (OH stretching) and ν3 (HON bending) vibrational modes, relative to those observed for HONO2 in an Ar matrix, indicate a strong interaction between HONO2 and N 2. Photolysis of HONO2 in solid Ar produced predominantly HOONO, whereas relatively intense lines of N2O and HONO were observed after photolysis of HONO2 in solid N2 with a mercury lamp, with the relative yield of HOONO decreased by more than a factor of 10. Possible photochemical processes are discussed.

Original languageEnglish
Pages (from-to)7167-7173
Number of pages7
JournalThe Journal of Chemical Physics
Issue number10
StatePublished - Nov 1992

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