RING INVERSION OF DIHYDRONAPHTHALENE BY LASER-INDUCED FLUORESCENCE IN A SUPERSONIC JET

被引：6

作者：

CHAKRABORTY, T ^{[1
]}

CHOWDHURY, M ^{[1
]}

机构：

[1] INDIAN ASSOC CULTIVAT SCI,DEPT PHYS CHEM,CALCUTTA 700032,W BENGAL,INDIA

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1992年 / 48卷 / 11-12期

关键词：

D O I：

10.1016/0584-8539(92)80241-N

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The laser-induced fluorescence excitation (FE) and the single vibronic level fluorescence (SVL) emission spectra of 1,2-dihydronaphthalene have been studied in a pulsed supersonic jet. The 128 cm-1 progression in FE and the 140 cm-1 progression in SVL have been assigned to the low-frequency large-amplitude torsional motion between the two symmetry-related non-planar conformations of the excited and the ground states, respectively. Comparison of frequencies and intensities with corresponding values calculated from a model double-well potential leads to a barrier height of 640 cm-1 for the excited state and greater than 1000 cm-1 for the ground state.

引用

页码：1683 / 1691

页数：9

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