Vol. 16, issue 11, article # 9
Bykov A. D., Voronin B. A., Voronina S. S., Naumenko O. V. Centrifugal distortion and HEL-resonances in the rovibrational spectra of triatomic molecules
. // Atmospheric and oceanic optics. 2003. V. 16. No. 11. P. 916-919.
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Abstract:
Simple, one-dimensional model of bending-rotation motion in a triatomic molecule is used to estimate the off-diagonal Hamiltonian matrix elements related to the high-order resonances in water molecule. It is shown that the resonances of this type arise due to strong centrifugal distortion near the linear configuration in a triatomic molecule having low barrier to linearity. The off-diagonal matrix elements are quite large, if the wave functions are near the linear configuration.
