Ground- and excited-state dipole moments of 6-propionyl-2-(dimethylamino)naphthalene determined from solvatochromic shifts

被引:35
作者
Kawski, A [1 ]
机构
[1] Univ Gdansk, Inst Expt Phys, Luminescence Res Grp, PL-80952 Gdansk, Poland
来源
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES | 1999年 / 54卷 / 6-7期
关键词
D O I
10.1515/zna-1999-6-706
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 dipole moments in the ground- and excited-state of the fluorescence probe 6-propionyl-2-(dimethylamino)naphthalene (PRODAN) are determined from solvatochromic shifts to be mu(g) = 2.1 D and mu(c) = 6.4 D. These values concern the free molecule. In the first excited singlet state the dipole moment is only 3 times greater than in the ground state.
引用
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页码:379 / 381
页数:3
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