Molecular Switching Coordination Polymers. 4,4'-Chalcogenobispyridine Bridged Cobalt Benzoquinone Complexes 


Vol. 16,  No. 6, pp. 504-507, Jun.  1995


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  Abstract

The reaction of Co2(CO)8 with 3,6-di-tert-butyl-1,2-benzoquinone in the presence of the respective 4,4'-chalcogenobispyridine results in the coordination polymers of [CoⅢ (4,4'-X(Py)2)(DBSQ)(DBCat)]n (X=S, Se, Te; Py=pyridine; DBSQ=3,6-di-tert-butylsemiquinone; DBCat=3,6-di-tert-butylcatechol). The title compounds undergo an intramolecular Cat → Co electron transfer, and thus change toward the [CoⅡ(4,4'-X(Py)2)(DBSQ)2]n at elevated temperature. The temperature-switching properties of the compounds directly depend upon the electronegativity of the chalcogen atom of the 4,4'-chalcogenobispyridine coligands. The spectroscopic data disclose that the properties of [CoⅢ(4,4'-S(Py)2)(DBSQ)(DBCat)]n and [CoⅢ (4,4'-Se(Py)2)(DBSQ)(DBCat)]n are similar each other in contrast to those of [CoⅢ (4,4'-Te(Py)2)(DBSQ)(DBCat)]n.

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  Cite this article

[IEEE Style]

D. H. Jo, J. H. Jeong, H. J. Yeo, Y. S. Sohn, O. Jung, "Molecular Switching Coordination Polymers. 4,4'-Chalcogenobispyridine Bridged Cobalt Benzoquinone Complexes," Bulletin of the Korean Chemical Society, vol. 16, no. 6, pp. 504-507, 1995. DOI: .

[ACM Style]

Du Hwan Jo, Jong Hwa Jeong, Hwan Jin Yeo, Youn Soo Sohn, and Ok-Sang Jung. 1995. Molecular Switching Coordination Polymers. 4,4'-Chalcogenobispyridine Bridged Cobalt Benzoquinone Complexes. Bulletin of the Korean Chemical Society, 16, 6, (1995), 504-507. DOI: .

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949