Ultrafast kinetics of linkage isomerism in Na 2 [Fe(CN) 5 NO] aqueous solution revealed by time-resolved photoelectron spectroscopy

The kinetics of ultrafast photoinduced structural changes in linkage isomers is investigated using Na [Fe(CN) NO] as a model complex. The buildup of the metastable side-on configuration of the NO ligand, as well as the electronic energy levels of ground, excited, and metastable states, has been reve...

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Published in:Structural dynamics (Melville, N.Y.) N.Y.), 2017-07, Vol.4 (4), p.044031
Main Authors: Raheem, Azhr A, Wilke, Martin, Borgwardt, Mario, Engel, Nicholas, Bokarev, Sergey I, Grell, Gilbert, Aziz, Saadullah G, Kühn, Oliver, Kiyan, Igor Yu, Merschjann, Christoph, Aziz, Emad F
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Language:English
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Summary:The kinetics of ultrafast photoinduced structural changes in linkage isomers is investigated using Na [Fe(CN) NO] as a model complex. The buildup of the metastable side-on configuration of the NO ligand, as well as the electronic energy levels of ground, excited, and metastable states, has been revealed by means of time-resolved extreme UV (XUV) photoelectron spectroscopy in aqueous solution, aided by theoretical calculations. Evidence of a short-lived intermediate state in the isomerization process and its nature are discussed, finding that the complete isomerization process occurs in less than 240 fs after photoexcitation.
ISSN:2329-7778
2329-7778