Document Detail


Determining Equilibrium Fluctuations Using Temperature-Dependent 2D-IR.
MedLine Citation:
PMID:  23844833     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We demonstrate the capability of temperature-dependent 2D-IR to characterize sources of vibrational population transfer. In a model system of iron diene tricarbonyl "piano stool" complexes, this approach reveals symmetry breaking associated with equilibrium fluctuations, and differentiates these from fluxional rearrangement. Tricarbonyl(1,3- butadiene)iron and tricarbonyl(1,5-cyclooctadiene)iron are shown to undergo intramolecular vibrational redistribution (IVR) coupled to the wagging motion of their carbonyl ligands. In the case of both molecules, these equilibrium fluctuations are distinguished from chemical exchange behaviors by their temperature dependence and arguments of molecular symmetry.
Authors:
Adam D Hill; Matthew C Zoerb; Son Chi Nguyen; Justin P Lomont; Miriam A Bowring; Charles B Harris
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-7-11
Journal Detail:
Title:  The journal of physical chemistry. B     Volume:  -     ISSN:  1520-5207     ISO Abbreviation:  J Phys Chem B     Publication Date:  2013 Jul 
Date Detail:
Created Date:  2013-7-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101157530     Medline TA:  J Phys Chem B     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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