Re(CO)₃Cl-chelation-mediated electronic coupling between two amine redox sites through the 5,5′-positions of 2,2′-bipyridine

The electronic coupling between two amine redox sites bridged through the 5,5′-positions of the [Re(CO)₃Cl]-chelated 2,2′- bipyridine was studied by the electrochemical, spectroscopic, and EPR analysis. Interestingly, multiple near-infrared bands were observed in this new organic mixed-valent system. The results are interpreted with the aid of DFT and TDDFT calculations. Two's company: The electronic coupling between two amine redox sites bridged through the 5,5′-positions of the [Re(CO) ₃Cl]-chelated 2,2′-bipyridine was studied by electrochemical, spectroscopic, and EPR analysis. Interestingly, multiple near-infrared bands were observed in this new organic mixed-valence system. The results are interpreted with the aid of DFT and TDDFT calculations.