Cooperative Noncovalent Interactions Induce Ion Pair Separation in Diphenylsilanides

被引：13
|
作者：
Marro, Eric A. [1 ]
Press, Eric M. [1 ]
Purkait, Tapas K. [1 ]
Jimenez, Daniel [1 ]
Siegler, Maxime A. [1 ]
Klausen, Rebekka S. [1 ]
机构：
[1] Johns Hopkins Univ, Dept Chem, 3400 N Charles St, Baltimore, MD 21218 USA
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2017年 / 23卷 / 62期
关键词：
anions; crown compounds; ion pairs; pi interactions; silicon; CATION-PI INTERACTION; STRUCTURAL-CHARACTERIZATION; SILICON; ANIONS; CHEMISTRY; CYCLOSILANES; MACROCYCLES; RECOGNITION; SELECTIVITY; SILANIDES;
D O I：
10.1002/chem.201704217
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This crystallographic and computational study describes an unusual potassium silanide structure. A contact ion pair is expected in the solid state between potassium and silicon, yet the potassium cation binds an aromatic ring and the anionic silanide interacts with CH bonds on neighboring crown ether molecules. These structure-bonding phenomena are attributed to strong soft-soft interactions.
引用
收藏
页码：15633 / 15637
页数：5
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