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Intramolecular electron transfer in cyanide bridged adducts comprising RuII/RuIII tetracarboxylate and [MnI(CO)(CN)(tBuNC)4] units

Imhof, Wolfgang, Sterzik, Anke, Krieck, Sven, Schwierz, Markus, Hoffeld, Thomas, Spielberg, Eike T., Plass, Winfried and Patmore, Nathan J. (2010) Intramolecular electron transfer in cyanide bridged adducts comprising RuII/RuIII tetracarboxylate and [MnI(CO)(CN)(tBuNC)4] units. Dalton Transactions, 39 (27). pp. 6249-6254. ISSN 1477-9226

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Abstract

Reaction of mixed valence ruthenium tetracarboxylates [Ru2II,III(R1COO)2(R2COO)2Cl] (R1 = Me, R2 = 2,4,6-iPr-Ph or R1 = R2 = tBu) with two equivalents of the octahedral manganese complex [MnI(CO)(CN)(tBuNC)4] leads to the formation of cyanide bridged heteronuclear coordination compounds of the general formula {[Ru2II,III(R1COO)2(R2COO)2][MnI(CO)(CN)(tBuNC)4]2}Cl. In solution an intramolecular electron transfer from manganese towards the multiply bonded Ru2 core occurs that is verified by EPR and IR spectroscopy, magnetic measurements and DFT calculations. Nevertheless, disproportionation of an initially formed {MnI–Ru2II,III–MnI}+ adduct into {MnII–Ru2II,III–MnI}2+ and {MnI–Ru2II,II–MnI} species cannot be completely ruled out.

Item Type: Article
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Schools: School of Applied Sciences
Related URLs:
Depositing User: Sharon Beastall
Date Deposited: 02 Apr 2014 11:24
Last Modified: 02 Apr 2014 11:24
URI: http://eprints.hud.ac.uk/id/eprint/19951

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