Abstract
Mechanism of electron transfer of a bridge biferrocene complex, Ni(LSB) 2, derived from the Schiff base ligand, HLSB, S-benzyl- N-(ferrocenyl-1-methyl-metylidene)-dithio-carbazate Ni(LSB) 2, during redox processes is illuminated by in-situ Fourier transform infrared (FTIR) spectroelectrochemistry. The results indicated that two consecutive one-electron steps were involved which gives the corresponding mono- and di-ferricenium cations, respectively. This complex exhibits moderately strong degree of electronic communication between the two-ferrocene moieties, taking place through the skeleton chain of the ligand due to an extensive electron delocalization in the molecule. Possible pathways of electron transfer of Ni(LSB) 2 during the redox processes are postulated.
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