离域电子
环烯
结晶学
共轭体系
戒指(化学)
分子
作者
Paul von Ragué Schleyer,Mariappan Manoharan,Zhixiang Wang,Boggavarapu Kiran,Haijun Jiao,Ralph Puchta,Nicolaas J. R. van Eikema Hommes
出处
期刊:PubMed
日期:2001-08-09
卷期号:3 (16): 2465-8
被引量:52
摘要
[structure: see text] Analysis of the basic pi-aromatic (benzene) and antiaromatic (cyclobutadiene) systems by dissected nucleus-independent chemical shifts (NICS) shows the contrasting diatropic and paratropic effects, but also reveals subtleties and unexpected details.
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