Concepedia

A Charge-Transfer-Induced Spin Transition in the Discrete Cyanide-Bridged Complex {[Co(tmphen)<sub>2</sub>]<sub>3</sub>[Fe(CN)<sub>6</sub>]<sub>2</sub>}

Curtis P. Berlinguette, Alina Dragulescu‐Andrasi, A. Sieber, José Ramón Galán‐Mascarós, H. U. Güdel, Catalina Achim, Kim R. Dunbar

Journal of the American Chemical Society · 2004 · 211 citations · 11 references

DOI

Concepts

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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