Molecular and crystal structures of a class of push-pull quinonoid compounds with potential nonlinear optical applications

被引：25
|
作者：
Ravi, M
Cohen, S
Agranat, I
Radhakrishnan, TP
机构：
[1] UNIV HYDERABAD,SCH CHEM,HYDERABAD 500046,ANDHRA PRADESH,INDIA
[2] HEBREW UNIV JERUSALEM,DEPT INORGAN CHEM,JERUSALEM,ISRAEL
[3] HEBREW UNIV JERUSALEM,DEPT ORGAN CHEM,JERUSALEM,ISRAEL
来源：
STRUCTURAL CHEMISTRY | 1996年 / 7卷 / 03期
关键词：
push-pull quinonoids; nonlinear optics; crystal structures; hyperpolarizability;
D O I：
10.1007/BF02281233
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Molecular and crystal structures of three compounds with electron donor-conjugation unit-electron acceptor framework are reported where the conjugation unit is formally a quinonoid ring. Semiempirical quantum chemical calculations indicate large hyperpolarizabilities in these push-pull molecules. Since all the crystal structures are found to belong to centrosymmetric space groups, modifications are necessary for quadratic nonlinear optical applications.
引用
收藏
页码：225 / 232
页数：8
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