The permanent electric dipole moment of vanadium monosulfide

Xiujuan Zhuang, Timothy Steimle

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


A number of low- J lines of the C Σ4 - →X Σ4 - (0,0) band of a supersonic molecular beam sample of vanadium monosulfide (VS) have been recorded at a resolution of approximately 50 MHz by laser excitation spectroscopy. The electric field induced shift and splitting have been analyzed to give the permanent electric dipole moments μ of the C Σ4 - (υ=0) and X Σ4 - (υ=0) states as 2.38(13) and 5.16(5) D, respectively. An electrostatic model is used to predict μ for VS and VO. A molecular orbital correlation diagram is used to rationalize the trends in experimentally observed μ values of the 3d -monosulfides and 3d -monoxides. A comparison with theoretical predictions is made.

Original languageEnglish (US)
Article number234304
JournalJournal of Chemical Physics
Issue number23
StatePublished - Jun 21 2010

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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