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Issue 5, 2005
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Infrared photodissociation of (NO)n+·X cluster ions (n ≤ 5)

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Abstract

Measurements of the infrared photodissociation pathways and spectra of size-selected (NO)n+X complexes, for n in the range 2–5, have been carried out using a line-tuneable CO laser (photon energy 1600–1800 cm−1). X is one of Ar, Kr, Xe, O2, CO2, CH3Cl, CF4 or SF6. Two photoinduced fragmentation pathways have been monitored as a function of radiation wavelength: the loss of NO and the loss of X. The photofragmentation patterns and branching ratios are influenced by two factors: (i) the value of n; and to a lesser degree, (ii) the nature of the atom/molecule, X. A limited number of IR spectra have been recorded for the dimer, (NO)2+, in association with the rare gas atoms and CF4; for the remaining examples, the trimer, (NO)3+, appears to act as a stable core with a comparatively large infrared absorption cross-section at ca. 1720 cm−1.

Graphical abstract: Infrared photodissociation of (NO)n+·X cluster ions (n ≤ 5)

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Article information


Submitted
20 Oct 2004
Accepted
10 Jan 2005
First published
21 Jan 2005

Phys. Chem. Chem. Phys., 2005,7, 998-1004
Article type
Paper

Infrared photodissociation of (NO)n+·X cluster ions (n ≤ 5)

M. A. Odeneye and A. J. Stace, Phys. Chem. Chem. Phys., 2005, 7, 998
DOI: 10.1039/B416196C

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