Anharmonic vibrational levels of the two cyclic isomers of SiC3Linguerri, R., Rosmus, P. and Carter, S. (2006) Anharmonic vibrational levels of the two cyclic isomers of SiC3. Journal of Chemical Physics, 125 (3). 034305. ISSN 0021-9606 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1063/1.2209693 Abstract/SummaryUsing coupled-cluster approach full six-dimensional analytic potential energy surfaces for two cyclic SiC3 isomers [C-C transannular bond (I) and Si-C transannular bond (II)] have been generated and used to calculate anharmonic vibrational wave functions. Several strong low-lying anharmonic resonances have been found. In both isomers already some of the fundamental transitions cannot be described within the harmonic approximation. Adiabatic electron affinities and ionization energies have been calculated as well. The Franck-Condon factors for the photodetachment processes c-SiC3-(I)-> c-SiC3(I) and c-SiC3-(II)-> c-SiC3(II) are reported. (c) 2006 American Institute of Physics.
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