State-resolved photofragmentation of OCS monomers and clusters

N. Sivakumar, I. Burak, W. Y. Cheung, P. L. Houston*, J. W. Hepburn

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Dissociation of the OCS monomer at 222 nm yields S(1D) and S(3P) in the ratio 0.85/0.15 and CO which is >98% in v = 0 but with very high rotational energy. The peak in the rotational distribution occurs at J = 55 and corresponds to about 56% of the available energy for the S(1D) channel. These results support the contention that the upper OCS 1Δ state is bent. Dissociation of OCS clusters leads to a completely different photochemistry: at least some of the CO is formed rotationally cold (Trot ≃ 50 K), and S2 is also produced.

Original languageEnglish
Pages (from-to)3609-3611
Number of pages3
JournalJournal of Physical Chemistry
Issue number17
StatePublished - 1985


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