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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-9178

Cozzi, F; Annunziata, R; Benaglia, M; Baldridge, K K; Aguirre, G; Estrada, J; Sritana-Anant, Y; Siegel, J S (2008). Through-space interactions between parallel-offset arenes at the van der Waals distance: 1,8-diarylbiphenylene syntheses, structure and QM computations. Physical Chemistry Chemical Physics (PCCP), 10(19):2686-2694.

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A model for studying polar-pi interactions between arenes spaced at van der Waals distances is developed on the basis of peri-diarylbiphenylenes. A set of 1,8-diarylbiphenylenes is synthesized comprising two Hammett series, one with reference to mesityl ring interactions and the other with reference to pentafluorophenyl ring interactions. X-Ray crystal structures of several derivatives are determined. Barriers to rotation of the probe aryl ring are derived from dynamic NMR data and show a trend for the mesityl reference series (DeltaG(not equal) vs. sigma(0)). The model is also used as a test for comparison of modern density functional methods, including B3LYP, M06-2X and BMK functionals; dispersive effects are seen to be an important factor in the proper theoretical treatment of arene interactions.


46 citations in Web of Science®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Deposited On:16 Jan 2009 14:27
Last Modified:05 Apr 2016 12:46
Publisher:Royal Society of Chemistry
Publisher DOI:10.1039/b800031j
PubMed ID:18464983

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