Fourier Transform Emission Spectroscopy of the E2Π--X2Σ+ Transition of CaH and CaD

Details Fourier Transform Emission Spectroscopy of the E2Π--X2Σ+ Transition of CaH and CaD Fourier Transform Emission Spectroscopy of the E2Π--X2Σ+ Transition of CaH and CaD

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confetd03r&link_type=abstract

"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec

Physics

Electronic

Scientific paper

The emission spectra of CaH and CaD have been recorded at high resolution using a Fourier transform spectrometer and bands belonging to the E2Π-X2Σ+ transition have been measured in the 20100-20700 cm-1 region. A rotational analysis of 0-0 and 1-1 bands of both the isotopologues has been carried out. The present measurements have been combined with the previously available pure rotation and vibration-rotation data to provide improved spectroscopic constants for the {E}2Π state. The constants Δ G1/2=1199.8810(32) cm-1, B_e=4.344659(45) cm-1, αe=0.121869(88) cm-1, r_e=1.986718 {Å} for CaH, and Δ G1/2=868.7438(46) cm-1, B_e=2.212496(51) cm-1, α _e=0.036509(97) cm-1, r_e=1.993396(23) {Å} for CaD have been determined. An analysis of the corresponding transitions of SrH and SrD in the 18600-19300 cm-1 region will also be reported.

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