Photodissociation spectra of transition metal sulfides

Spin-orbit structure in charge transfer bands of FeS+ and NiS+

John Husband, Fernando Aguirre, Christopher J. Thompson, Ricardo B. Metz

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Photofragment spectra of FeS+ and NiS+ are reported. Analysis of the FeS+ spectrum reveals it to arise from a 6Π←6Σ charge-transfer transition, and gives the vibrational frequency, ωe =295cm-1, and spin-orbit constant, |A|=125cm-1, in the 6Π state. The onset of the NiS+ spectrum appears to occur in the middle of a vibrational progression, thus giving a precise measurement of the Ni+-S bond strength, D0(Ni+-S)=238±4kJmol-1. Analysis of the spectrum for vibrational and spin-orbit structure leads to a tentative assignment of a 4Δ ground state and suggests the spectrum is composed of overlapping transitions to two near-degenerate excited electronic states, most likely a 4Π and 4Φ pair.

Original languageEnglish
Pages (from-to)75-84
Number of pages10
JournalChemical Physics Letters
Volume342
Issue number1-2
DOIs
Publication statusPublished - Jul 6 2001

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Photodissociation
Sulfides
photodissociation
Transition metals
Charge transfer
sulfides
Orbits
transition metals
charge transfer
orbits
Electronic states
Vibrational spectra
Ground state
progressions
ground state
electronics

ASJC Scopus subject areas

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

Cite this

Photodissociation spectra of transition metal sulfides : Spin-orbit structure in charge transfer bands of FeS+ and NiS+. / Husband, John; Aguirre, Fernando; Thompson, Christopher J.; Metz, Ricardo B.

In: Chemical Physics Letters, Vol. 342, No. 1-2, 06.07.2001, p. 75-84.

Research output: Contribution to journalArticle

Husband, John ; Aguirre, Fernando ; Thompson, Christopher J. ; Metz, Ricardo B. / Photodissociation spectra of transition metal sulfides : Spin-orbit structure in charge transfer bands of FeS+ and NiS+. In: Chemical Physics Letters. 2001 ; Vol. 342, No. 1-2. pp. 75-84.
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