Electronic spectroscopy and methyl internal rotation dynamics of 9,10-dimethylanthracene

被引：11

作者：

Stepanenko, Y

Sobolewski, AL

Mordzinski, A

机构：

[1] Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland

[2] Ctr Laser, PL-01224 Warsaw, Poland

[3] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 2005年 / 233卷 / 01期

关键词：

laser jet spectroscopy; fluorescence depletion spectroscopy; anthracene derivatives; methyl group internal rotation dynamics;

D O I：

10.1016/j.jms.2005.05.011

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Fluorescence excitation, dispersed fluorescence, and double resonance fluorescence depletion spectra of jet-cooled 9, 10-dimethylanthracene (DMA) have been measured. The spectra exhibit evidence of strong coupling between methyl group motion and the anthracene frame vibrations. Fluorescence depletion experiments have shown the presence of rovibronically selective intersystem crossing in DMA. The results of DFT calculations together with potential energy surface scan of the ground and lowest excited singlet state are presented. (c) 2005 Elsevier Inc. All rights reserved.

引用

页码：15 / 22

页数：8

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