Other
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010mss..conferc05l&link_type=abstract
"International Symposium On Molecular Spectroscopy, 65th Meeting, Held 21-25 June, 2010 at Ohio State University. http://molspec
Other
Microwave (Rotational)
Scientific paper
HPSiH_2, the ground state isomer on the H_3SiP potential energy surface, has been detected by means of Fabry-Pérot FT microwave spectroscopy. The laboratory search has been guided by theoretical structure calculations performed at the CCSD(T)/cc-pwCVQZ level of theory corrected for zero-point vibrational effects at the CCSD(T)/cc-pV(T+d)Z level. A mixture of silane and phosphine in a discharge supersonic molecular beam has been used to produce the new species, allowing the detection of the three lowest K_a=0 rotational transitions. The discovery has been confirmed by successful identification of the same transitions of HP29SiH_2, HP30SiH_2, and DPSiD_2, at precisely the expected frequency shifts. The presence of other Si and some P bearing molecules in astronomical sources %combined with the recent discovery of phosphorous interstellar chemistry suggests, that this molecule is a plausible candidate for radio astronomical detection.
Lattanzi Valerio
McCarthy Mary C.
Thaddeus Patrick
Thorwirth Sven
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