X-ray photoelectron spectra and structure of iron polynuclear complexes |
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| Authors: | T M Ivanova A V Naumkin A V Shchukarev A A Sidorov M A Kiskin V M Novotortsev I L Eremenko |
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| Institution: | (1) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia;(2) Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, Moscow, 117813, Russia;(3) St. Petersburg State University, Peterhof, Leningrad oblast, 198904, Russia |
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| Abstract: | Iron trimethylacetate complexes with different ligands have been investigated by X-ray photoelectron spectroscopy (XPS). The Fe 2p, Fe 3p, C 1s, O 1s, and N 1s spectra obtained at successive replacement of the Fe-O coordination bonds with Fe-N bonds have been analyzed. A satellite component is found in the spectra of iron trimethylacetate complexes, which is indicative of the high-spin state of FeII and FeIII iron atoms. The XPS data made it possible to determine the degree of covalence of the metal-ligand bonding and reveal two nonequivalent states for iron atoms. |
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