The binuclear NC-trans-Cr(cyclam)-CN-Cr(CN)5 complex has been synthesized and characterized. Efficient energy transfer from the NC-trans-Cr(cyclam)-CN+ to the -CN-Cr(CN)53- component was observed to occur. The reaction of cis-Ru(bpy)2[NC-trans-Cr(cyclam)-CN]24+ with Cr(CN)5(DMF)2- in DMF was studied. In the pentanuclear product cis-Ru(bpy)2[-NC-trans-Cr(cyclam)-CN-Cr(CN)5]2, which was detected in the reacting solution but not isolated, stepwise energy transfer occurs along the Ru(II)-Cr(III)-Cr(III) cyano bridged chain. © 1991.
Intramolecular Energy Transfer in Cr(III)-Cr(III) and Ru(II)-Cr(III)-Cr(III) Polynuclear Complexes
CHIORBOLI, Claudio;BIGNOZZI, Carlo Alberto;INDELLI, Maria Teresa;RAMPI, Maria Anita;SCANDOLA, Franco
1991
Abstract
The binuclear NC-trans-Cr(cyclam)-CN-Cr(CN)5 complex has been synthesized and characterized. Efficient energy transfer from the NC-trans-Cr(cyclam)-CN+ to the -CN-Cr(CN)53- component was observed to occur. The reaction of cis-Ru(bpy)2[NC-trans-Cr(cyclam)-CN]24+ with Cr(CN)5(DMF)2- in DMF was studied. In the pentanuclear product cis-Ru(bpy)2[-NC-trans-Cr(cyclam)-CN-Cr(CN)5]2, which was detected in the reacting solution but not isolated, stepwise energy transfer occurs along the Ru(II)-Cr(III)-Cr(III) cyano bridged chain. © 1991.File in questo prodotto:
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