Title of article
X-ray photoelectron spectroscopy study of a cyclic hexanuclear cluster
Author/Authors
S. Chiuzbàian، نويسنده , , S.G. and Neumann، نويسنده , , M. and Waldmann، نويسنده , , O. and Schneider، نويسنده , , B. and Bernt، نويسنده , , I. and Saalfrank، نويسنده , , R.W.، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2001
Pages
5
From page
1272
To page
1276
Abstract
We report on a study of a ferric-wheel system by X-ray photoelectron spectroscopy. The sample investigated was a cyclic hexanuclear Fe(III) cluster entrapping an alkaline ion: [Li⊂Fe6L6]Cl, LN(CH2CH2O)3. The Fe 3s and 2p photoelectron spectra recorded for the ferric wheel and other Fe compounds, where Fe has the formal valence state 3+ or 2+, were compared. Uncommonly spectral features of the 3s line were qualitatively explained. It seems that unlike the usual transition metal compounds the electron energy configuration in the cluster favors the population of a final state with high-spin arrangement of electrons and a ligand hole. This could be due to covalency in such molecular compounds.
Keywords
X-ray photoelectron spectroscopy , Clusters , Polycrystalline surfaces , iron oxide
Journal title
Surface Science
Serial Year
2001
Journal title
Surface Science
Record number
1690340
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