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Chemistry of (and on) transition metal cluster : a Fourier transform ion cyclotron resonance study of the reaction of niobium cluster cations with nitric oxide

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Harding, Dan J., Oliver, Thomas A. A., Walsh, Tiffany R., Drewello, Thomas, Woodruff, D. P., Derrick, Peter J. and Mackenzie, Stuart R. (2009) Chemistry of (and on) transition metal cluster : a Fourier transform ion cyclotron resonance study of the reaction of niobium cluster cations with nitric oxide. European Journal of Mass Spectrometry, Vol.15 (No.2, Sp. Iss. SI). pp. 83-90. doi:10.1255/ejms.945

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Official URL: http://dx.doi.org/10.1255/ejms.945

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Abstract

The reactions of niobium cluster cations, Nb-n(+) (n = 2-19), with nitric oxide have been investigated using Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR). The overall reaction rate constants are found to be in reasonable agreement with collision rates calculated using the surface charge capture model. The dominant reaction for small clusters (n < 9) involves reaction-induced fragmentation resulting in the loss of either NbO or NbN. By contrast, the main reaction observed for the Larger clusters (n > 11) is sequential NO chemisorption. Clusters n = 9, 10 exhibit both extremes of behaviour and are the only clusters upon which there is evidence of NO decomposition with N-2 loss observed whenever multiple NO molecules are co-adsorbed. The rate constants for each process have been determined as a function of cluster size.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Faculty of Science > Chemistry
Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Fourier transform spectroscopy, Metal clusters, Niobium, Nitric oxide, Fragmentation reactions, Decomposition (Chemistry)
Journal or Publication Title: European Journal of Mass Spectrometry
Publisher: I M Publications
ISSN: 1469-0667
Official Date: 2009
Dates:
DateEvent
2009Published
Volume: Vol.15
Number: No.2, Sp. Iss. SI
Number of Pages: 8
Page Range: pp. 83-90
DOI: 10.1255/ejms.945
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Engineering and Physical Sciences Research Council (EPSRC)
Grant number: GR/S03966/01 (EPSRC), EP/C012070/1 (EPSRC)

Data sourced from Thomson Reuters' Web of Knowledge

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