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LASER EXCITATION SPECTROSCOPY OF THE $\\tilde{B}^{2}A_{1}-\\tilde{X}^{2}A_{1}$ TRANSITION OF $CaOCH_{3}$
Christopher J. Whitham, Joanna M. Brown, Sara A. Beaton, Ito, Y.
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Abstract
The $\\tilde{B}=\\tilde{X}$ transition of $CaOCH_{3}$ has been observed at Doppler limited resolution and rotationally analysed. The molecule was generated using a laser ablation/molecular beam source in which a solid calcium rod was ablated and a mixture of argon seeded with a few percent of methanol was used as the carrier gas. The rotational analysis of the band is consistent with a linear Ca-O-C geometry in both electronic states and hence $C_{3x}$ symmetry for the $CaOCH_{3}$ radical. The values of the spin-rotation parameters determined for the excited $\\tilde{B}^{1}A_{1}$ state will be discussed.