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American Chemical Society, Inorganic Chemistry, 5(49), p. 2427-2434, 2010

DOI: 10.1021/ic902360x

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Discrete Tetrairon(III) Cluster Exhibiting a Square-Planar Fe4(μ4-O) Core: Structural and Magnetic Properties

Journal article published in 2010 by Mariappan Murali, Sanjit Nayak ORCID, José Sánchez Costa, Joan Ribas, Ilpo Mutikainen, Urho Turpeinen, Martin Clémancey, Ricardo Garcia-Serres, Jean-Marc Latour, Patrick Gamez, Geneviève Blondin, Jan Reedijk
This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

The aerobic reaction of the Schiff-base ligand N-(benzimidazol-2-yl)salicylaldimine (Hbisi) with iron(II) perchlorate in methanol leads to the formation of the remarkable coordination compound [Fe(4)(mu(4)-O)(mu-MeO)(4)(bisi)(4)](ClO(4))(2) x 4 MeOH (1), whose single-crystal X-ray structure reveals the presence of a discrete Fe(III)(4)(mu(4)-O) core. Magnetic and Mossbauer studies both show that the exchange interaction within the square tetranuclear iron(III) unit is dominated by the central bridging mu(4)-oxido ligand, the involvement of the mu-methoxido bridges being negligible.