Determination of electric dipole moment for the ν2 vibrational state of 15NH3 by infrared-infrared double resonances

B. J. Orr*, Takeshi Oka

*Corresponding author for this work

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

An infrared-infrared double-resonance technique, employing the sidebands produced by electro-optic amplitude modulation of a single-frequency CO2 laser, is used to observe the second-order Stark effect of the ν2 as R(2, 0) transition of 15NH3. The technique enables the Stark shifts in ground and vibrationally excited states to be observed separately and yields the electric dipole moments: μ(v2 = 1) = 1.253 ± 0.003 D, μ(v = 0) = 1.469 ± 0.004 D. The relative intensity distribution, linewidths, and line shapes of features in the double-resonance Stark spectra are also examined.

Original languageEnglish
Pages (from-to)302-313
Number of pages12
JournalJournal of Molecular Spectroscopy
Volume66
Issue number2
DOIs
Publication statusPublished - 1977
Externally publishedYes

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