Microwave Spectroscopy of the Heavy-Atom Carbene Analogs: HSiI and DSiI

Details Microwave Spectroscopy of the Heavy-Atom Carbene Analogs: HSiI and DSiI Microwave Spectroscopy of the Heavy-Atom Carbene Analogs: HSiI and DSiI

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009mss..conferh12k&link_type=abstract

"International Symposium On Molecular Spectroscopy, 64th Meeting, Held 22-26 June, 2009 at Ohio State University. http://molspec

Physics

Microwave

Scientific paper

The pure rotational spectra of 6 silicon isotopologues, of HSiI and of DSiI have been recorded in natural abundance by pulsed-jet Fourier transform microwave (FTMW) spectroscopy. Neon was passed over dry ice cooled H_3SiI or D_3SiI and introduced into the pulsed valve of the FTMW spectrometer. The HSiI and the DSiI were produced in-situ with a 1000 V DC-discharge nozzle. Only a-type transitions can be observed from 6 - 26 GHz; K_a = 0 transitions for the HSiI and K_a = 0 and 1 transitions for the DSiI isotopologues. All observed transitions were assigned unambiguously. The molecular structure and chemical bonding of this heavy atom carbene will be discussed.

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