Electrochemistry of coordination compounds: Part XVIII. Electrochemical behaviour of d8 iron and osmium nitrosyl complexes a comparison with their ruthenium analogue |
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| Authors: | G Pilloni G Zotti S Zecchin |
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| Institution: | Consiglio Nazionale delle Ricerche, Istituto di Polarografia ed Elettrochimica Preparativa, Corso Stati Uniti 4, 35100 Padua (Italy) |
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| Abstract: | A detailed study of the electrochemical behaviour of the d8 complexes Fe(NO)(Ph2PCH2CH2PPh2)2]+ and Os(NO)(Ph2PCH2CH2PPh2)2]+, with emphasis on the properties of the reduced species, has been made and the results compared with those obtained in the reduction of the corresponding ruthenium derivative. the reduction proceeds in two reversible one-electron steps leading to d10 anionic complexes through an intermediate which, in the case of iron, is labile towards the loss of one phosphorus ligand. A tentative interpretation of this behaviour is suggested. |
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