Photodissociation of OCS at 222 nm. The triplet channel

G. Nan, I. Burak, P. L. Houston

Research output: Contribution to journalArticlepeer-review


The dissociation of OCS at 222 nm produces both S(1D) and S(3P). By monitoring the Doppler profile of the minor S (3P2) product on the 3D033P2 transition it is determined that the branching ratio for this triplet channel is 5% relative to the singlet channel. Detailed analysis of the Doppler profiles provides an anisotropy parameter of β=0.3±0.2 and a recoil speed distribution whose average energy is 37% of the 19881 cm-1 available energy. The remainder of the energy, 12525 cm-1, is deposited into CO vibration and rotation. The distributions for both the relative translation and the CO internal energy are broad.

Original languageEnglish
Pages (from-to)383-389
Number of pages7
JournalChemical Physics Letters
Issue number4
StatePublished - 9 Jul 1993
Externally publishedYes


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