The reduction process of Co-III((DO)(DOH)(pn))Br-2 has been studied by X-ray absorption spectroscopy. A structural rearrangement takes place during the first reduction step, from Co-III to Co-II. It involves the cleavage of both axial bromide ligands. However, the reduction from Co-II to Co-I proceeds with retaining of the coordination geometry. These findings have also been confirmed by an 'ad hoc' electrochemical experiment. (C) 2000 Elsevier Science Ltd. All rights reserved.
X-ray Absorption Spectroscopy Study on the Electrochemical Reduction of Co((DO)DOH)pn)Br2 / M., Giorgetti; M., Berrettoni; I., Ascone; S., Zamponi; Seeber, Renato; R., Marassi. - In: ELECTROCHIMICA ACTA. - ISSN 0013-4686. - STAMPA. - 45:27(2000), pp. 4475-4482. [10.1016/S0013-4686(00)00500-4]
X-ray Absorption Spectroscopy Study on the Electrochemical Reduction of Co((DO)DOH)pn)Br2
SEEBER, Renato;
2000
Abstract
The reduction process of Co-III((DO)(DOH)(pn))Br-2 has been studied by X-ray absorption spectroscopy. A structural rearrangement takes place during the first reduction step, from Co-III to Co-II. It involves the cleavage of both axial bromide ligands. However, the reduction from Co-II to Co-I proceeds with retaining of the coordination geometry. These findings have also been confirmed by an 'ad hoc' electrochemical experiment. (C) 2000 Elsevier Science Ltd. All rights reserved.
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