Abstracts 2004

Abstract of Publication No. 477

Curtis P. Berlinguette, Alina Dragulescu-Andrasi, Andreas Sieber, José Ramón Galán-Mascarós, Hans-Ulrich Güdel, Catalina Achim and Kim R. Dunbar
A Charge-Transfer-Induced Spin Transition in the Discrete Cyanide-Bridged Complex {[Co(tmphen)2]3[Fe(CN)6]2}
J. Am. Chem. Soc. 126, 6222-6223 (2004)      Full Text (PDF)      DOI-Link      Supplementary Data (PDF)      Crystal Structure Data (CIF format)     

Abstract: A charge-transfer-induced spin transition (CTIST) is observed in the discrete cyanide-bridged complex, {[Co(tmphen)2]3[Fe(CN)6]2}. Single-crystal X-ray diffraction, 57Fe Mössbauer spectroscopy, and magnetic susceptibility were used collectively to describe the oxidation states of the Co and Fe ions in this cluster as a function of temperature. This pentanuclear complex represents the first example of a CTIST at the discrete molecular level.

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