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N2 Activation by Neutral Ruthenium Clusters

MPS-Authors
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Kerpal,  Christian
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Harding,  Daniel J.
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Meijer,  Gerard
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Fielicke,  André
Molecular Physics, Fritz Haber Institute, Max Planck Society;
Institut für Optik und Atomare Physik, Technische Universität Berlin;

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Citation

Kerpal, C., Harding, D. J., Lyon, J. T., Meijer, G., & Fielicke, A. (2013). N2 Activation by Neutral Ruthenium Clusters. The Journal of Physical Chemistry C, 117(23), 12153-12158. doi:10.1021/jp401876b.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-321A-8
Abstract
The activation of nitrogen molecules when forming complexes with neutral Ru clusters in the gas phase has been investigated by probing their N–N stretching frequencies using infrared multiple photon dissociation spectroscopy. The measured frequencies for RunN2m (n = 5–16; m = 1, 2) fall in the range between 2110 and 2201 cm-1 and can be attributed to chemisorbed σ-bonded N2, which corresponds to the γ-state on metal surfaces. The band positions are not dependent on the N2 coverage, but significant variations are found depending on cluster size.