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Electronic structure of a heterotetranuclear copper(I)2-iron(II)2 complex bridged by p-accepting 2,2'-bipyrimidine. Close-lying but orthogonal frontier orbitals

, und . Journal of Organometallic Chemistry 398 (3): 293--298 (1990)

Zusammenfassung

The new complex I contains two 1,1'-bis(diphenylphosphino)ferrocene-coordinated copper(I) centers which are connected by the D2h-sym. p acceptor 2,2'-bipyrimidine (bpym). Cyclic voltammetry and ESR reveal a ferrocene-based HOMO and a bpym-centered LUMO. There is no detectable HOMO/LUMO absorption band because of orthogonality between the two types of orbitals. The lack of strong solid-state metal-ligand charge-transfer (MLCT) luminescence is an indirect consequence of the small bite angle of the bis(diphenylphosphino)ferrocene ligand, which cannot induce strong distortion at the copper center. on SciFinder(R)

Links und Ressourcen

DOI:
10.1016/0022-328X(90)85515-Z
BibTeX-Schlüssel:
Vogler.1990
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