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Fourier transform emission spectroscopy of the E Π-X Σ transition of CaH and CaD

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JournalJOURNAL OF MOLECULAR SPECTROSCOPY
DatePublished - 1 Apr 2011
Issue number2
Volume266
Number of pages6
Pages (from-to)86-91
Original languageEnglish

Abstract

The emission spectra of CaH and CaD have been recorded at high resolution using a Fourier transform spectrometer and bands belonging to the E Π-X Σ transition have been measured in the 20 100-20 700 cm 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 Π state. The constants ΔG() = 1199.8867(34) cm , B = 4.345032(49) cm , α = 0.122115(92) cm , r = 1.986633(11) for CaH, and ΔG()=868.7438(46) cm , B = 2.212496(51) cm , α = 0.036509(97) cm , r = 1.993396(23) for CaD have been determined.

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