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Comparison of the proton transfer path in hydrogen bonds from theoretical potential energy surfaces and the concept of conservation of bond order
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Materials Chemistry, Structural Chemistry.
2006 (English)In: Zeitschrift fur physikalische Chemie (Munchen. 1991), ISSN 0942-9352, Vol. 220, no 7, 797-810 p.Article in journal (Refereed) Published
Abstract [en]

The 'quantum-mechanically derived reaction coordinates' (QMRC) for the proton transfer in hydrogen bonds involving fluorine, oxygen and chlorine have been derived from earlier ab initio calculations of potential energy surfaces. A comparison is made between QMRC and the corresponding reaction coordinates (BORC) derived by applying the Pauling bond order concept together with the principle of conservation of bond order. Theoretical calculation have shown that sum of the bond orders remains close to constant along the reaction coordinate in agreement with the Pauling postulate. The BORC correlation curves agree very well with theoretical results. The results indicate that the BORC curve gives a good representation of the reaction coordinates (ptoton transfer path) for any X-H---Y aggregate.

Place, publisher, year, edition, pages
2006. Vol. 220, no 7, 797-810 p.
Keyword [en]
hydrogen bonds, proton transfer path, potential energy surface, reaction coordinates, pauling bond order
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-82128DOI: 10.1524/zpch.2006.220.7.797ISI: 000239443900002OAI: oai:DiVA.org:uu-82128DiVA: diva2:110043
Available from: 2006-09-19 Created: 2006-09-19 Last updated: 2011-06-29Bibliographically approved

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Olovsson, Ivar

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