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Vibrationally induced rotational axis switching: A novel mechanism for vibrational mode coupling.

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  • Additional Information
    • NAICS/Industry Codes:
      325193 Ethyl Alcohol Manufacturing
    • Abstract:
      High resolution IR spectra of small- to medium-sized molecules such as 2-fluoroethanol (2FE) show that the effective density of coupled states is often greater than that obtained by a direct count of vibrational states. A novel mechanism for rotation–vibration interaction, vibrationally induced rotational axis switching (VIRAS), is proposed as a possible explanation for these discrepancies. VIRAS has its origin in centrifugal distortion, and is physically distinct from Coriolis coupling. In the case of 2FE, we explicitly treat the coupling of overall rotation with large-amplitude internal rotation about the C–C bond. Assuming a uniform coupling of all dark vibration–torsion states to the bright state, we predict a density of coupled states in good agreement with that observed in the C–H stretching region at 2980 cm-1. [ABSTRACT FROM AUTHOR]
    • Abstract:
      Copyright of Journal of Chemical Physics is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
    • ISSN:
      0021-9606
    • Accession Number:
      10.1063/1.463732
    • Accession Number:
      7619541
  • Citations
    • ABNT:
      LI, H.; EZRA, G. S.; PHILIPS, L. A. Vibrationally induced rotational axis switching: A novel mechanism for vibrational mode coupling. Journal of Chemical Physics, [s. l.], v. 97, n. 9, p. 5956, 1992. DOI 10.1063/1.463732. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=a9h&AN=7619541. Acesso em: 1 out. 2020.
    • AMA:
      Li H, Ezra GS, Philips LA. Vibrationally induced rotational axis switching: A novel mechanism for vibrational mode coupling. Journal of Chemical Physics. 1992;97(9):5956. doi:10.1063/1.463732
    • APA:
      Li, H., Ezra, G. S., & Philips, L. A. (1992). Vibrationally induced rotational axis switching: A novel mechanism for vibrational mode coupling. Journal of Chemical Physics, 97(9), 5956. https://doi.org/10.1063/1.463732
    • Chicago/Turabian: Author-Date:
      Li, H., Gregory S. Ezra, and Laura A. Philips. 1992. “Vibrationally Induced Rotational Axis Switching: A Novel Mechanism for Vibrational Mode Coupling.” Journal of Chemical Physics 97 (9): 5956. doi:10.1063/1.463732.
    • Harvard:
      Li, H., Ezra, G. S. and Philips, L. A. (1992) ‘Vibrationally induced rotational axis switching: A novel mechanism for vibrational mode coupling’, Journal of Chemical Physics, 97(9), p. 5956. doi: 10.1063/1.463732.
    • Harvard: Australian:
      Li, H, Ezra, GS & Philips, LA 1992, ‘Vibrationally induced rotational axis switching: A novel mechanism for vibrational mode coupling’, Journal of Chemical Physics, vol. 97, no. 9, p. 5956, viewed 1 October 2020, .
    • MLA:
      Li, H., et al. “Vibrationally Induced Rotational Axis Switching: A Novel Mechanism for Vibrational Mode Coupling.” Journal of Chemical Physics, vol. 97, no. 9, Nov. 1992, p. 5956. EBSCOhost, doi:10.1063/1.463732.
    • Chicago/Turabian: Humanities:
      Li, H., Gregory S. Ezra, and Laura A. Philips. “Vibrationally Induced Rotational Axis Switching: A Novel Mechanism for Vibrational Mode Coupling.” Journal of Chemical Physics 97, no. 9 (November 1992): 5956. doi:10.1063/1.463732.
    • Vancouver/ICMJE:
      Li H, Ezra GS, Philips LA. Vibrationally induced rotational axis switching: A novel mechanism for vibrational mode coupling. Journal of Chemical Physics [Internet]. 1992 Nov [cited 2020 Oct 1];97(9):5956. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=a9h&AN=7619541