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  Vibrational spectra and structures of bare and Xe-tagged cationic SinOm+ clusters

Savoca, M., Langer, J., Harding, D. J., Palagin, D., Reuter, K., Dopfer, O., et al. (2014). Vibrational spectra and structures of bare and Xe-tagged cationic SinOm+ clusters. The Journal of Chemical Physics, 141(10): 104313. doi:/10.1063/1.4894406.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000A-BF2F-C Version Permalink: https://hdl.handle.net/21.11116/0000-000D-4ECD-6
Genre: Journal Article

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 Creators:
Savoca, Marco1, Author
Langer, Judith1, Author
Harding, Dan J.2, Author
Palagin, Dennis3, Author
Reuter, Karsten3, Author           
Dopfer, Otto1, Author
Fielicke, André1, Author
Affiliations:
1Institut für Optik und Atomare Physik, Technische Universität Berlin, Hardenbergstr. 36, 10623 Berlin, Germany, ou_persistent22              
2Institut für Physikalische Chemie, Georg-August-Universität Göttingen, Tammannstr. 6, 37077 Göttingen, Germany, ou_persistent22              
3Chair for Theoretical Chemistry, Catalysis Research Center, Technische Universität München, ou_persistent22              

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 Abstract: Vibrational spectra of Xe-tagged cationic silicon oxide clusters SinOm+ with n = 3–5 and m = n, n ± 1 in the gas phase are obtained by resonant infrared multiple photon dissociation (IRMPD) spectroscopy and density functional theory calculations. The SinOm+ clusters are produced in a laser vaporization ion source and Xe complexes are formed after thermalization to 100 K. The clusters are subsequently irradiated with tunable light from an IR free electron laser and changes in the mass distribution yield size-specific IR spectra. The measured IRMPD spectra are compared to calculated linear IR absorption spectra leading to structural assignments. For several clusters, Xe complexation alters the energetic order of the SinOm+ isomers. Common structural motifs include the Si2O2 rhombus, the Si3O2 pentagon, and the Si3O3 hexagon.

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Language(s): eng - English
 Dates: 2014-07-022014-08-202014-09-102014-09-14
 Publication Status: Issued
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: /10.1063/1.4894406
 Degree: -

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Title: The Journal of Chemical Physics
  Abbreviation : J. Chem. Phys.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Institute of Physics
Pages: 9 Volume / Issue: 141 (10) Sequence Number: 104313 Start / End Page: - Identifier: ISSN: 0021-9606
CoNE: https://pure.mpg.de/cone/journals/resource/954922836226