SPECTROSCOPY OF SOLVENT COMPLEXES WITH INDOLES - INDUCTION OF 1LA-1LB STATE COUPLING

被引:53
作者
ARNOLD, S [1 ]
SULKES, M [1 ]
机构
[1] TULANE UNIV,DEPT CHEM,NEW ORLEANS,LA 70118
关键词
D O I
10.1021/j100191a011
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
Jet-cooled indole derivatives were complexed with polar solvent molecules and the emission of the complex peaks was characterized. It was found that solvent binding at a site on the indole associated with pi-density always induced broad red emission characteristic of 1L(a). Solvent binding in the vicinity of the indole nitrogen generally did not induce 1L(a) character emission. Accompanying calculations bear out the fact that solvent pi-site interactions are particularly potent in lowering the 1L(a) state relative to 1L(b) in indoles.
引用
收藏
页码:4768 / 4778
页数:11
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