Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Bistability of $Co^{III}$(N-N)(3,6-DBSQ)(3,6-DBCat):Subtle Diimine Ligand Effect (N-N=4,7-Dimethyl-1,10-phenanthroline, 5-Chloro-1,10-phenanthroline;DBSQ=Di-tert-butylsemiquinonato;DBCat=Di-tert-butylcatecholato)

  • Ok-Sang Jung (Inorganic Chemistry Laboratory Korea Institute of Science and Technology) ;
  • Young-A Lee (Inorganic Chemistry Laboratory Korea Institute of Science and Technology) ;
  • Younkyoo Kim (Department of Chemistry, Hankuk University of Foregin Studies) ;
  • Youn Soo Sohn (Inorganic Chemistry Laboratory Korea Institute of Science and Technology)
  • Published : 1994.08.20
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Abstract

Studies of Co(N-N)(3,6-DBSQ)(3,6-DBCat)(N-N=4,7-dimethyl-1 ,10-phenanthroline, 5-chloro-1,10-phenanthroline; DBSQ=di-tert-butylsemiquinonato; DBCat=di-tert-butylcatecholato) have been carried out on the bistability by intramolecular cobalt-quinone electron transfer in solid state. The title complexes dominantly exist as $Co^{III}$(N-N)(3,6-DBSQ)(3,6-DBCat) at room temperature and display a significant bistability on temperature variation. Subtle change in optical spectra and magnetic properties is observed when diimine ligands are changed.

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References

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