Measurement of Silver−π Interactions in Solution Using Molecular Torsion Balances
A new series of molecular torsion balances were designed to measure the strength of individual Ag−π interactions in solution for an Ag(I) coordinated to a pyridine nitrogen. The formation of a well-defined intramolecular Ag−π interaction in these model systems was verified by X-ray crystallography...
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Veröffentlicht in: | Journal of the American Chemical Society 2015-07, Vol.137 (25), p.8014-8017 |
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Hauptverfasser: | , , , , |
Format: | Artikel |
Sprache: | eng |
Online-Zugang: | Volltext |
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Zusammenfassung: | A new series of molecular torsion balances were designed to measure the strength of individual Ag−π interactions in solution for an Ag(I) coordinated to a pyridine nitrogen. The formation of a well-defined intramolecular Ag−π interaction in these model systems was verified by X-ray crystallography and 1H NMR. The strength of the intramolecular Ag−π interaction in solution was found to be stabilizing in nature and quantified to be −1.34 to −2.63 kcal/mol using a double mutant cycle analysis. The Ag−π interaction was also found to be very sensitive to changes in geometry or solvent environment. |
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ISSN: | 0002-7863 1520-5126 |
DOI: | 10.1021/jacs.5b04554 |