High Order Centrifugal Distortion Corrections to Energy Levels of Asymmetric Top Molecules

Chin. Phys. Lett.

2000, Vol. 17

Issue (12): 879-881 DOI:

Original Articles

High Order Centrifugal Distortion Corrections to Energy Levels of Asymmetric Top Molecules

LIU Yu-Yan;LIU Xiao-Yong;LIU Hong-Ping;GUO Yuan-Qing;HUANG Guang-Ming;LIN Jie-Li;GAO Hui

State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071

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LIU Yu-Yan, LIU Xiao-Yong, LIU Hong-Ping et al 2000 Chin. Phys. Lett. 17 879-881

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Abstract High order centrifugal distortion terms have been derived and added to the effective Hamiltonian of asymmetric top molecules. Based on this Hamiltonian, a program in Fortran 77 has been developed for spectral analysis of asymmetric top molecules. The high order centrifugal distortion terms are found to be non-negligible even for the low-lying rotational transitions of molecules, such as H₂¹⁸O, subjected to severe centrifugal distortion effect, and for the high-lying rotational transitions of molecules, such as ¹⁴N¹⁶O₂ subjected to the moderate centrifugal distortion effect.

Keywords: 33.15.Mt 82.80.Ch 33.20.Bx

Published: 01 December 2000

PACS:	33.15.Mt	(Rotation, vibration, and vibration-rotation constants)
	82.80.Ch
	33.20.Bx	(Radio-frequency and microwave spectra)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I12/0879

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	LIU Yu-Yan
	LIU Xiao-Yong
	LIU Hong-Ping
	GUO Yuan-Qing
	HUANG Guang-Ming
	LIN Jie-Li
	GAO Hui

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