VIBRATIONALLY MEDIATED PHOTODISSOCIATION OF HCN

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1996

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Ohio State University

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Recently, the dissociation mechanism of HCN by vibrationally mediated photodissociation has been examined. Exciting the C-H strerch with four quanta and photodissociating the molecule with 220 nm light generates CN in the first excited electronic A~2Π state rather than the ground X~2Σ+ state. The CN fragment is detected by probing the B~2Σ+A~2Π(1−0) band and monitoring the laser induced fluorescence (LIF) via the B~2Σ+X~2ΣΠ transition. Progress on the analysis of the LIF spectrum and the nascent product distribution will be presented.

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Author Institution: Department of Chemistry, Princeton University

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