Ab initio study of possible interstellar molecules: the protonated ions of SiO and SiS.

Details Ab initio study of possible interstellar molecules: the protonated ions of SiO and SiS. Ab initio study of possible interstellar molecules: the protonated ions of SiO and SiS.

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...135l...1t&link_type=abstract

Astronomy and Astrophysics, Vol. 135, No. 1, p. L1 - L2

Astronomy and Astrophysics

Astrophysics

Interstellar Molecules, Interstellar Molecules:Silicon Sulfide, Silicon Sulfide:Interstellar Molecules

Scientific paper

Quantum-mechanical calculations at the (SCF + C I) level are presented for the geometries, dipole moments and formation reactions of the two pairs of ions HOSi+ - HSiO+, HSSi+ - HSiS+. The only stable isomer with a reasonable chance of being detected in the interstellar space through its rotation spectrum is HSSi+: this ion has a large dipole moment and a bent structure.

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