Multiphoton dissociation dynamics of BrCl and the BrCl+ cation

Ion imaging methods have enabled identification of three mechanisms by which (79)Br(+) and (35)Cl(+) fragment ions are formed following one-color multiphoton excitation of BrCl molecules in the wavelength range 324.6 > lambda > 311.7 nm. Two-photon excitation within this range populates select...

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Veröffentlicht in:	Physical chemistry chemical physics : PCCP 2007-01, Vol.9 (41), p.5531-5541
Hauptverfasser:	VIEUXMAIRE, Olivier P. J, HENDRIK NAHLER, N, DIXON, Richard N, ASHFOLD, Michael N. R
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Bromides - chemistry Cations Chemistry Chlorides - chemistry Energy Transfer - radiation effects Exact sciences and technology General and physical chemistry Kinetics Models, Chemical Photolysis - radiation effects Photons Radiation, Ionizing Spectrum Analysis - methods Ultraviolet Rays
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Zusammenfassung:	Ion imaging methods have enabled identification of three mechanisms by which (79)Br(+) and (35)Cl(+) fragment ions are formed following one-color multiphoton excitation of BrCl molecules in the wavelength range 324.6 > lambda > 311.7 nm. Two-photon excitation within this range populates selected vibrational levels (v'= 0-5) of the [X (2)Pi(1/2)]5ssigma Rydberg state. Absorption of a third photon results in branching between (i) photoionization (i.e. removal of the Rydberg electron-a traditional 2 + 1 REMPI process) and (ii)pi*
ISSN:	1463-9076 1463-9084
DOI:	10.1039/b709222a