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  Effect of the symmetry of H2 molecules on their rotations around an OCS molecule in superfluid 4He droplets

Grebenev, S., Sartakov, B., Toennies, J. P., & Vilesov, A. (2002). Effect of the symmetry of H2 molecules on their rotations around an OCS molecule in superfluid 4He droplets. Physical Review Letters, 89(22): 225301, pp. 225301-225301.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-173B-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-173C-4
Genre: Journal Article

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 Creators:
Grebenev, S., Author
Sartakov, B., Author
Toennies, J. P.1, Author              
Vilesov, A., Author
Affiliations:
1Emeritus Group Molecular Interactions, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063297              

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 Abstract: The infrared spectra of OCS-(H2)n clusters in cold (0.15 K) superfluid 4He droplets coated with 3He exhibit resolved rotational bands for each n up to n=8 para-H2 (pH2) or ortho-D2 (oD2) molecules. An analysis of the different Q- branch intensities based on the different spin symmetries of pH2 and oD2 indicates the formation of symmetric 5- or 6- membered rings around the linear carbonyl sulfide (OCS) chromophore. The rings of distinguishable oD2 are found to undergo axial rotations, whereas for 6 pH2 molecules the symmetry-allowed rotational levels lie too high to be excited at the 0.15 K droplet temperatures.

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Language(s): eng - English
 Dates: 2002-11-25
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 13421
ISI: 000179205100027
 Degree: -

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Title: Physical Review Letters
  Alternative Title : Phys. Rev. Lett.
Source Genre: Journal
 Creator(s):
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Publ. Info: -
Pages: - Volume / Issue: 89 (22) Sequence Number: 225301 Start / End Page: 225301 - 225301 Identifier: ISSN: 0031-9007