A Laser-induced Fluorescence Spectroscopy Study of Rhodium Monosulfide Runhua Li and Walter J. Balfour Department of Chemistry, University of Victoria.

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Presentation transcript:

A Laser-induced Fluorescence Spectroscopy Study of Rhodium Monosulfide Runhua Li and Walter J. Balfour Department of Chemistry, University of Victoria W. Scott Hopkins and Allan G. Adam Department of Chemistry, University of New Brunswick

Band heads observed in LIF spectra from Rh+CS 2 s=strong; m=medium; w=weak

Observed electronic energy levels and transitions of RhS in LIF

RhS cm -1 band

Partial High-Resolution Spectrum of cm -1 band for RhS

T J(J+1)±0.2228(J+1/2) Reduced term value plot for the [18.13]  1/2 state of RhS

Term Values (cm -1 ) in the 4  - Ground State of RhS

X=(J-1/2)(J+3/2). Upper and lower signs give the e (F 1 and F 3 ) and f (F 2 and F 4 ) levels respectively.

Fitted Ground State Parameters for RhS ParameterValue/cm -1 Std. Devn. B ×10 -4 D9× ×10 -8 λ ×10 -3 λDλD 8.05× × ×10 -4 No. of data points = 463 ; Overall standard deviation = cm -1

Qualitative molecular orbital correlation diagram for RhS

A comparison of ground state data for some Rh diatomic species

Comparison of the molecular orbitals for the rhodium diatomics

Summary : Ground State of RhS Rh S r 0 = nm