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X-ray photoelectron Fe3s and Fe3p spectra of polynuclear trimethylacetate iron complexes
Umeå University, Faculty of Science and Technology, Department of Chemistry.
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2010 (English)In: Journal of Electron Spectroscopy and Related Phenomena, ISSN 0368-2048, E-ISSN 1873-2526, Vol. 180, no 1-3, 21-26 p.Article in journal (Refereed) Published
Abstract [en]

X-ray photoelectron Fe3s and Fe3p spectra are employed to study the electron structure and the spin magnetic state of bi-, tri-, and hexa-nuclear trimethylacetate iron complexes. Assignment of the spectra is performed based on an isolated-ion Pauli-Fock calculation of Fe3s and Fe3p spectra of the Fe atoms in bi- and tri-valent states. Nonequivalent Fe(III) and Fe(II) atoms are detected in tri- and hexa-nuclear complexes. Paramagnetic-limit molecular magnetic moments are calculated using effective atomic magnetic moments obtained from spin-sensitive spectral characteristics. Comparison of those values with the magnetic measurements data demonstrates antiferromagnetic interaction within the complexes.

Place, publisher, year, edition, pages
2010. Vol. 180, no 1-3, 21-26 p.
Keyword [en]
XPS, Iron polynuclear complexes, Magnetic properties
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-109625DOI: 10.1016/j.elspec.2010.03.011ISI: 000279612800005OAI: oai:DiVA.org:umu-109625DiVA: diva2:858365
Available from: 2015-10-02 Created: 2015-10-02 Last updated: 2017-12-01Bibliographically approved

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Shchukarev, Andrey V.
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