The permanent electric dipole moment and hyperfine interaction in ruthenium monoflouride (RuF)

Timothy Steimle, Wilton L. Virgo, Tongmei Ma

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Abstract

Ruthenium monofluoride, RuF, has been detected using low-resolution laser-induced fluorescence (LIF) in the visible and near infrared spectral regions. A visible band, designated as [18.2]5.5-X Φ 92 4, has been recorded field-free and in the presence of a static electric field using high-resolution LIF spectroscopy. The r0 internuclear distances for the [18.2]5.5 and X Ø 92 4 states were determined to be 1.911 and 1.916 Å, respectively. The vibrational interval Δ G12 of 534(15) cm-1 for the X Ø 92 4 state was determined from the analysis of the dispersed LIF. The Stark shifts of the visible band were analyzed to produce permanent electric dipole moments of 1.97(8) and 5.34(7) D for the [18.2]5.5 and X Ø 92 4, states, respectively. The fluorine magnetic hyperfine structure associated with spectral features was analyzed. The hyperfine structure and dipole moments are interpreted using a molecular-orbital correlation model and compared with FeF and other ruthenium-containing molecules.

Original languageEnglish (US)
Article number024309
JournalJournal of Chemical Physics
Volume124
Issue number2
DOIs
StatePublished - Jan 23 2006

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ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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