%0 Journal Article %1 Kaim.1984l %A Kaim, Wolfgang. %D 1984 %J Inorganic Chemistry %K Group VIB carbonyl chem chromium complex;ESR complex;tungsten cyanopyridine cyanopyridine;molybdenum electrochem electroredn electroredn;cyanopyridine electroredn;redn pentacarbonyl redn redn;electroredn %N 4 %P 504--506 %R 10.1021/ic00172a025 %T Chemical and electrochemical reduction of pentacarbonyl(4-cyanopyridine) complexes of chromium(0), molybdenum(0) and tungsten(0) %V 23 %X 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)

@article{Kaim.1984l, abstract = {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)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/25056e1fad6ccf8772eaa446088a4cf10/huebleriac}, doi = {10.1021/ic00172a025}, interhash = {d86f453cd52b5ebeb4eac3a93ee78896}, intrahash = {5056e1fad6ccf8772eaa446088a4cf10}, issn = {0020-1669}, journal = {Inorganic Chemistry}, keywords = {Group VIB carbonyl chem chromium complex;ESR complex;tungsten cyanopyridine cyanopyridine;molybdenum electrochem electroredn electroredn;cyanopyridine electroredn;redn pentacarbonyl redn redn;electroredn}, number = 4, pages = {504--506}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {Chemical and electrochemical reduction of pentacarbonyl(4-cyanopyridine) complexes of chromium(0), molybdenum(0) and tungsten(0)}, volume = 23, year = 1984 }