Probing Reaction Dynamics of Transition-Metal Complexes in Solution via Time-Resolved X-ray Spectroscopy
- Huse, Nils
- Khalil, Munira
- Kim, Tae Kyu
- Smeigh, Amanda L.
- Jamula, Lindsey
- McCusker, James K.
- Schoenlein, Robert W.
Publication date
May 2009
DOI Publisher
Lawrence Berkeley National Laboratory ISSN
1742-6596 Citation count (estimate)
10Abstract
We report measurements of the photo-induced Fe(II) spin crossover reaction dynamics in solution via time-resolved x-ray absorption spectroscopy. EXAFS measurements reveal that the iron?nitrogen bond lengthens by 0.21+-0.03 Angstrom in the high-spin transient excited state relative to the ground state. XANES measurements at the Fe L-edge show directly the influence of the structural change on the ligand-field splitting of the Fe(II) 3d orbitals associated with the spin transition
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