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Dynamics of I-asterisk(P-2(1/2)) production inthe ultraviolet photodissociation of alkyn iodides

Uma, S and Das, PK (1994) Dynamics of I-asterisk(P-2(1/2)) production inthe ultraviolet photodissociation of alkyn iodides. In: Canadian journal of chemistry / revue canadienne de chimie, 72 (3). 865-869 .

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Official URL: http://pubs.nrc-cnrc.gc.ca/rp-ps/journalDetail.jsp...

Abstract

The relative quantum yields, phi*, for the production of I*(P-2(1/2)) at 266, 280, and similar to 305 nm are reported for a series of primary alkyl iodides using the technique of two-photon laser-induced fluorescence for the detection of I(P-2(3/2)) and I*(P-2(1/2)) atoms. Results are analyzed by invoking the impulsive energy disposal model, which summarizes the dynamics of dissociation as a single parameter. Comparison of our data with those calculated by a more sophisticated time-dependent quantum mechanical model is also made. Near the red edge of the alkyl iodide A band, absorption contribution from the (3)Q(1) state is important and the dynamics near the (3)Q(0)-(1)Q(1) curve-crossing region seem to be influenced by the kinematics of the dissociation process

Item Type: Journal Article
Additional Information: Copyright of this article belongs to NRC research press.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 01 Jun 2011 06:33
Last Modified: 01 Jun 2011 06:33
URI: http://eprints.iisc.ernet.in/id/eprint/36422

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