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Special Issue: Intramolecular Hydrogen Bonding
Review

Isotope Effects on Chemical Shifts in the Study of Intramolecular Hydrogen Bonds

Department of Science, Systems and Models, Roskilde University, Universitetsvej 1, Roskilde DK-4000, Denmark
Academic Editor: Ronald Castellano
Molecules 2015, 20(2), 2405-2424; https://doi.org/10.3390/molecules20022405
Received: 4 December 2014 / Revised: 17 December 2014 / Accepted: 5 January 2015 / Published: 30 January 2015
(This article belongs to the Special Issue Intramolecular Hydrogen Bonding)
The paper deals with the use of isotope effects on chemical shifts in characterizing intramolecular hydrogen bonds. Both so-called resonance-assisted (RAHB) and non-RAHB systems are treated. The importance of RAHB will be discussed. Another very important issue is the borderline between “static” and tautomeric systems. Isotope effects on chemical shifts are particularly useful in such studies. All kinds of intramolecular hydrogen bonded systems will be treated, typical hydrogen bond donors: OH, NH, SH and NH+, typical acceptors C=O, C=N, C=S C=N. The paper will be deal with both secondary and primary isotope effects on chemical shifts. These two types of isotope effects monitor the same hydrogen bond, but from different angles. View Full-Text
Keywords: RAHB; isotope effects on chemical shifts; tautomeric systems RAHB; isotope effects on chemical shifts; tautomeric systems
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MDPI and ACS Style

Hansen, P.E. Isotope Effects on Chemical Shifts in the Study of Intramolecular Hydrogen Bonds. Molecules 2015, 20, 2405-2424. https://doi.org/10.3390/molecules20022405

AMA Style

Hansen PE. Isotope Effects on Chemical Shifts in the Study of Intramolecular Hydrogen Bonds. Molecules. 2015; 20(2):2405-2424. https://doi.org/10.3390/molecules20022405

Chicago/Turabian Style

Hansen, Poul E. 2015. "Isotope Effects on Chemical Shifts in the Study of Intramolecular Hydrogen Bonds" Molecules 20, no. 2: 2405-2424. https://doi.org/10.3390/molecules20022405

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