University Chemistry ›› 2020, Vol. 35 ›› Issue (9): 168-172.doi: 10.3866/PKU.DXHX201910056
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A Method for Obtaining the Delocalized π Bonds πnm in a Molecule
Fengling Liu(
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- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China
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Received:2019-10-28Accepted:2019-12-12Published:2019-12-20 -
Contact:Fengling Liu E-mail:liufengling@sdnu.edu.cn
Cite this article
Fengling Liu. A Method for Obtaining the Delocalized π Bonds πnm in a Molecule[J].University Chemistry, 2020, 35(9): 168-172.
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| 分子类型 | 离域π键的特点 | 实例 |
| 直线形 | 2个相互垂直的π键 | C3分子：2π32；[N2F]+离子：2π34；H3SiNCS分子：2π44 |
| 弯曲形 | 1个稳定的离域π键 | NO2分子：π34；[O3]+离子：π34；[N5]+离子：π56 |
| 三角形 | 1个垂直于分子平面的离域π键 | [NO3]?离子：π46；N(SiH3)3分子：π42 |
| 单环共轭 | 形成具有芳香性的离域π键 | 单环C3H2分子：π32；单环[Al4]2?离子：π42 |
| 多环共轭 | 尽量多的环形成芳香性离域π键 | 喹啉： |
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