High-resolution study of some doubly excited vibrational states of PH 2D: The ν12, ν25, ν23, and ν26 bands

O. N. Ulenikov, E. S. Bekhtereva, S. V. Grebneva, H. Bürger, W. Jerzembeck, C. Leroy

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The absorption bands ν12, ν23, and ν26 of PH2D have been recorded for the first time using a high-resolution Bruker 120 HR interferometer, and rotationally analyzed. Some transitions belonging to the very weak band ν25 and enhanced in intensity by strong interactions with the ν12 band were also assigned. Sets of parameters obtained from the fit reproduce experimental line position of the bands ν12 and ν23 with about the experimental accuracy. The residuals of the ro-vibrational energies of the ν26 band are about 10 times larger. Reasons for the poorer reproduction of the latter data are given.

Original languageEnglish
Pages (from-to)7-23
Number of pages17
JournalJournal of Molecular Spectroscopy
Volume226
Issue number1
DOIs
Publication statusPublished - 1 Jul 2004

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vibrational states
Interferometers
Absorption spectra
high resolution
interferometers
absorption spectra
energy

Keywords

  • PHD molecule
  • Resonance interactions
  • Spectroscopic parameters
  • Vibration-rotation spectra

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Spectroscopy
  • Physical and Theoretical Chemistry

Cite this

High-resolution study of some doubly excited vibrational states of PH 2D : The ν12, ν25, ν23, and ν26 bands. / Ulenikov, O. N.; Bekhtereva, E. S.; Grebneva, S. V.; Bürger, H.; Jerzembeck, W.; Leroy, C.

In: Journal of Molecular Spectroscopy, Vol. 226, No. 1, 01.07.2004, p. 7-23.

Research output: Contribution to journalArticle

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abstract = "The absorption bands ν1+ν2, ν2+ν3, and ν2+ν6 of PH2D have been recorded for the first time using a high-resolution Bruker 120 HR interferometer, and rotationally analyzed. Some transitions belonging to the very weak band ν2+ν5 and enhanced in intensity by strong interactions with the ν1+ν2 band were also assigned. Sets of parameters obtained from the fit reproduce experimental line position of the bands ν1+ν2 and ν2+ν3 with about the experimental accuracy. The residuals of the ro-vibrational energies of the ν2+ν6 band are about 10 times larger. Reasons for the poorer reproduction of the latter data are given.",
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T2 - The ν1+ν2, ν2+ν5, ν2+ν3, and ν2+ν6 bands

AU - Ulenikov, O. N.

AU - Bekhtereva, E. S.

AU - Grebneva, S. V.

AU - Bürger, H.

AU - Jerzembeck, W.

AU - Leroy, C.

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AB - The absorption bands ν1+ν2, ν2+ν3, and ν2+ν6 of PH2D have been recorded for the first time using a high-resolution Bruker 120 HR interferometer, and rotationally analyzed. Some transitions belonging to the very weak band ν2+ν5 and enhanced in intensity by strong interactions with the ν1+ν2 band were also assigned. Sets of parameters obtained from the fit reproduce experimental line position of the bands ν1+ν2 and ν2+ν3 with about the experimental accuracy. The residuals of the ro-vibrational energies of the ν2+ν6 band are about 10 times larger. Reasons for the poorer reproduction of the latter data are given.

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