DEFORMATION OF POLYMETHINE STRUCTURES BY INTERMOLECULAR INTERACTIONS

被引：19
|
作者：
DAHNE, L [1 ]
RECK, G [1 ]
机构：
[1] BUNDESANSTALT MAT FORSCH & PRUFUNG, BERLIN, GERMANY
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 1995年 / 34卷 / 06期
关键词：
DYES; ELECTRON POLARIZATION; ION PAIRS; POLYMETHINES;
D O I：
10.1002/anie.199506901
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The polarization of the polymethine π‐electron system by the unsymmetrically arranged BPh −4ion in 1 is so strong that a distortion of the molecular structure of the dye cation could be proved in the solid state for the first time. The phenyl rings in the vicinity of the polymethine chain positivate the left‐hand half of the molecule (shown on the right) with the result that bond length alternation is induced. (Formula Presented.) (Figure Presented.) Copyright © 1995 by VCH Verlagsgesellschaft mbH, Germany
引用
收藏
页码：690 / 692
页数：3
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