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Algebraic Hamiltonian for Vibrational Spectra of Stibine |
HOU Xi-Wen |
Department of Physics, Huazhong Normal University, Wuhan 430079 |
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Cite this article: |
HOU Xi-Wen 2004 Chin. Phys. Lett. 21 1508-1511 |
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Abstract An algebraic Hamiltonian, which in a limit can be reduced to an extended local mode model by Law and Duncan, is proposed to describe both stretching and bending vibrational energy levels of polyatomic molecules, where Fermi resonances between the stretches and the bends are considered. The Hamiltonian is used to study the vibrational spectra of stibine (SbH3). A comparison with the extended local mode model is made. Results of fitting the experimental data show that the algebraic Hamiltonian reproduces the observed values better than the extended local mode model.
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Keywords:
33.20.Tp
31.50.+w
03.65.Fd
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Published: 01 August 2004
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