Vibrational spectral analysis of some isotopic species of hydrogen sulphide, hydrogen selenide and water using the U(4) algebraic model

SARKAR, NIRMAL KUMAR; SEN, RUPAM ; KALYAN, ASHIM ; DAS, RAGHUNANDAN ; ROY, SUBHA GAURAB ; CHOUDHURY, JOYDEEP ; KARUMURI, SRINIVASA

Abstract

A successful application of U(4) algebraic model has been reported in the vibrational spectral analysis of some isotopic species of hydrogen sulphide, hydrogen selenide and water. The isotopic species of hydrogen sulphide, hydrogen selenide and water approximated in this study are H2S32, D2S32, H2Se80, D2Se80, H2O17 and T2O16. The inclusion of intermode couplings in algebraic model has been stated on need base to give a deep insight into detailed spectroscopy for the mentioned isotopic species. With a detailed spectral analysis in the present study, it has been shown that the mentioned isotopic species of hydrogen sulphide, hydrogen selenide and water can be approximated very well using only two or three parameters in the U(4) algebraic model.

Keyword(s)

Vibrational spectra; Lie algebra; Bent XY2 molecule

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