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Chemical and electrochemical reduction of pentacarbonyl(4-cyanopyridine) complexes of chromium(0), molybdenum(0) and tungsten(0)

. Inorganic Chemistry 23 (4): 504--506 (1984)

Zusammenfassung

The complexes LM(CO)5 (L = 4-cyanopyridine and M = Cr, Mo, W) were reduced by K in THF and at a glassy C electrode in DMF. The resulting radical anion complexes LM(CO)5-. were also obtained from replacement reactions of the metal hexacarbonyls with the ligand radical anion L-. or via electron transfer from decacarbonyldimetalates to the free ligand L. The radical complexes were characterized by high resoln. ESR. The unpaired electron resides predominately in the heterocyclic ligand; only minor perturbations of spin distribution occur via the metal fragments. The results are related to the MLCT features in the electronic spectra of these complexes. on SciFinder(R)

Links und Ressourcen

DOI:
10.1021/ic00172a025
BibTeX-Schlüssel:
Kaim.1984l
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