Article,

Theoretical calculations of the vibrational transition probabilities in hydrogen selenide

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Chem. Phys., 122 (3): 375–386 (June 1988)
DOI: 10.1016/0301-0104(88)80019-3

Abstract

Three-dimensional ab initio dipole and potential energy functions for H₂Se have been calculated from highly correlated SCEP CEPA wavefunctions. First-order relativistic corrections according to the Cowan-Griffin approach, which retains only the mass velocity and one-electron Darwin terms, have been applied. These data have been used in perturbation and variational calculations of anharmonic vibration-rotation term values and wavefunctions. Radiative transition probabilities between vibrational levels up to about 10000 cm-1have been calculated from electric dipole transition matrix elements. It is found that the radiative lifetimes vary in a mode-specific way. © 1988.

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