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Issue 1, 2021
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Infrared action spectroscopy of nitrous oxide on cationic gold and cobalt clusters

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Abstract

Understanding the catalytic decomposition of nitrous oxide on finely divided transition metals is an important environmental issue. In this study, we present the results of a combined infrared action spectroscopy and quantum chemical investigation of molecular N2O binding to isolated Aun+ (n ≤ 7) and Con+ (n ≤ 5) clusters. Infrared multiple-photon dissociation spectra have been recorded in the regions of both the N[double bond, length as m-dash]O (1000–1400 cm−1) and N[double bond, length as m-dash]N (2100–2450 cm−1) stretching modes of nitrous oxide. In the case of Aun+ clusters only the ground electronic state plays a role, while the involvement of energetically low-lying excited states in binding to the Con+ clusters cannot be ruled out. There is a clear preference for N-binding to clusters of both metals but some O-bound isomers are observed in the case of smaller Con(N2O)+ clusters.

Graphical abstract: Infrared action spectroscopy of nitrous oxide on cationic gold and cobalt clusters

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Article information


Submitted
02 Oct 2020
Accepted
04 Dec 2020
First published
08 Dec 2020

This article is Open Access

Phys. Chem. Chem. Phys., 2021,23, 329-338
Article type
Paper

Infrared action spectroscopy of nitrous oxide on cationic gold and cobalt clusters

E. M. Cunningham, A. E. Green, G. Meizyte, A. S. Gentleman, P. W. Beardsmore, S. Schaller, K. M. Pollow, K. Saroukh, M. Förstel, O. Dopfer, W. Schöllkopf, A. Fielicke and S. R. Mackenzie, Phys. Chem. Chem. Phys., 2021, 23, 329
DOI: 10.1039/D0CP05195K

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