Dynamics of CO formation in the photodissociation of HNCO and CH2CO at 193nm

G. T. Fujimoto*, M. E. Umstead, Ming-Chang Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

The photodissociation of isocyanic acid (HNCO) and ketene (CH2CO) at 193 nm was investigated using an ArF laser to dissociate the carbonyl compound and a CO laser to probe the resulting vibrationally excited CO. The dissociation of HNCO at 193 nm produces CO with an average vibrational energy of 4.6 ± 0.3 kcal/mol. The dissociation Gf CH2CO at 193 nm produces CO with an average vibrational energy of 6.4 ± 0.8 kcal/mol. The observed CO vibrational energy distributions were found to be in close agreement with those predicted statistically assuming NH(a 1Δ) + CO and CH2(1A1) + CO were the photodissociation products.

Original languageEnglish
Pages (from-to)197-203
Number of pages7
JournalChemical Physics
Volume65
Issue number2
DOIs
StatePublished - 1 Mar 1982

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