XAS study on electron transfer in cobalt complexes containing catecholate and semiquinone ligands

Title
XAS study on electron transfer in cobalt complexes containing catecholate and semiquinone ligands
Authors
박중철김동국정옥상최진호C. G. Pierpont
Keywords
XAS
Issue Date
1997-01
Publisher
J. physique IV.
Citation
VOL 7, 1267-1268
Abstract
XAFS measurements have been carried out at both room temperature and 100 K on complexes of general form of CoIII(N-N)(DBQ), where N-N is 1,l0-phenanthroline(phen), N,N,N'N'-tetramethylethlenediammine(tmeda), and DBQ is the 3,6- di-tert-butylcatechol or 3,6-di-tert-semiquinone ligands. Co K-edge XAFS spectra disclosed that Co(tmeda)(DBQ)2 is locked in a charge distribution of CoIII(tmeda)(3,6-DBSQ)(3,6-DBCat), while Co(phen)(DBQ)2 is accompanied by the transition of CoIII/CoIII dependent on temperature.
URI
http://pubs.kist.re.kr/handle/201004/10023
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