Dipole moments and hyperfine interactions in scandium monosulfide, ScS

Timothy Steimle, A. J. Marr, D. M. Goodridge

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Abstract

A supersonic molecular beam of scandium monosulfide (ScS), produced using a laser ablation/ reaction source, was interrogated by laser induced fluorescence. The fine and magnetic hyperfine interactions in the (0,0) B 2Σ+-X 2Σ+ band system (origin=12 940.402 cm-1) were analyzed. The magnitude of the Stark effect was measured for the (RR24+RQ24)(0) and (PP13+PQ23) (1) branch features, giving dipole moments of μ(B 2Σ+)=5.60±0.04 D and μ(X 2Σ+)=5.64 ± 0.04 D. The spectroscopic parameters and dipole moments are used to develop a molecular orbital bonding model and are compared with the isovalent molecules ScO and ScNH.

Original languageEnglish (US)
Pages (from-to)10406-10414
Number of pages9
JournalJournal of Chemical Physics
Volume107
Issue number24
DOIs
StatePublished - Dec 22 1997

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ASJC Scopus subject areas

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

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