Nature of anion-templated π+-π+ interactions

被引：19

作者：

Geronimo, Inacrist ^{[1
]}

Singh, N. Jiten ^{[1
]}

Kim, Kwang S. ^{[1
]}

机构：

[1] Pohang Univ Sci & Technol, Dept Chem, Ctr Superfunct Mat, Pohang 790784, South Korea

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2011年 / 13卷 / 25期

关键词：

CATION-PI INTERACTIONS; MOLECULAR CLUSTERS; BENZENE DIMER; STACKING; BINDING; ENERGY; COMPLEXES; PROTONATION; NANOTUBES; RECEPTOR;

D O I：

10.1039/c1cp20348g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Interaction between positively charged aromatic groups (pi(+)-pi(+)) is characterized by anti-parallel, displaced-stacked structures in the presence of counteranions. Binding energies of pyridinium, N-methylpyridinium and N-methylimidazolium dimers are much larger than that of benzene-pyridine (pi-pi) and pyridinium-benzene (pi(+)-pi). Stabilization is attributed to attractive electrostatic interaction with significant dispersion contribution.

引用

页码：11841 / 11845

页数：5

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