Efficient Electronic Communication between Two Identical Ferrocene Centers in a Hydrogen-Bonded Dimer

Abstract
A novel ferrocene derivative that contains a donor−donor−acceptor−acceptor (DDAA) hydrogen bonding motif forms highly stable, noncovalent dimers in chloroform and dichloromethane solutions. Its voltammetric behavior and the observation of an intervalence charge-transfer band reveal that the two equivalent ferrocene centers in the hydrogen-bonded dimer exhibit a surprisingly efficient level of electronic communication.

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