ROTATIONALLY RESOLVED UV SPECTROSCOPY OF THE 2H-TAUTOMER OF BENZOTRIAZOLE IN A MOLECULAR-BEAM

被引:27
作者
BERDEN, G [1 ]
JALVISTE, E [1 ]
MEERTS, WL [1 ]
机构
[1] ESTONIAN ACAD SCI,INST PHYS,TARTU EE2400,ESTONIA
关键词
D O I
10.1016/0009-2614(94)00741-1
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The rotationally resolved excitation spectrum of the 0(0)0 band of the S1<--S0 transition in 2H-benzotriazole, at 286.4 nm, is obtained by using laser-induced fluorescence spectroscopy in a molecular beam. From this pure b-type spectrum, the rotational constants in the ground state and the electronically excited state are determined. The rotational lines are strongly broadened due to the short lifetime which is determined to be around 1.1 ns.
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页码:305 / 309
页数:5
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