Nature of anion-templated π+–π+ interactions

Literature Information

Publication Date 2011-05-31
DOI 10.1039/C1CP20348G
Impact Factor 3.676
Authors

Inacrist Geronimo, N. Jiten Singh, Kwang S. Kim


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Abstract

Interaction between positively charged aromatic groups (π+–π+) 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 (π–π) and pyridinium–benzene (π+–π). Stabilization is attributed to attractive electrostatic interaction with significant dispersion contribution.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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