Energy landscape of a hydrogen-bonded non-degenerate molecular shuttle

Energy landscape of a hydrogen-bonded non-degenerate molecular shuttle

In rotaxane 1, two co-conformations are populated in CDCl(3) at temperatures between 250 and 330 K. The thermodynamic parameters show strong enthalpy-entropy compensation, and a non-negligible heat capacity difference between the two forms.

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2010-01, Vol.46 (12), p.2061-2063
Hauptverfasser: Günbaş, Duygu Deniz, Zalewski, Leszek, Brouwer, Albert M
Format: Artikel
Sprache:eng
Schlagworte:
Compensation
Heat capacity
Hydrogen Bonding
Landscapes
Magnetic Resonance Spectroscopy
Molecular Conformation
Rotaxanes
Rotaxanes - chemistry
Specific heat
Thermodynamics
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Beschreibung
Zusammenfassung:In rotaxane 1, two co-conformations are populated in CDCl(3) at temperatures between 250 and 330 K. The thermodynamic parameters show strong enthalpy-entropy compensation, and a non-negligible heat capacity difference between the two forms.
ISSN:1359-7345
1364-548X
DOI:10.1039/b926868e