Cu(I) coordination complex with TTF-based radical cation ligand

A novel dimeric Cu(I) complex with mono-functionalized TTF derivative, [(CET-EDTTTF)CuBr 2] 2, was prepared and characterized by X-ray structure analysis, EPR spectroscopy and electrical conductivity measurement. This complex is forming a chain-like structure through the short intermolecular S⋯S con...

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Bibliographic Details
Published in:Inorganic chemistry communications 2005-06, Vol.8 (6), p.510-512
Main Authors: Kwon, Sun-Young, Cho, Jang-Hoon, Lee, Hong-In, Lee, Uk, Noh, Dong-Youn
Format: Article
Language:English
Subjects:
Cu(I) complex
EPR
Radical cation
TTF
X-ray structure
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Summary:A novel dimeric Cu(I) complex with mono-functionalized TTF derivative, [(CET-EDTTTF)CuBr 2] 2, was prepared and characterized by X-ray structure analysis, EPR spectroscopy and electrical conductivity measurement. This complex is forming a chain-like structure through the short intermolecular S⋯S contacts between two [CET-EDTTTF] + ligands. A single crystal of a dimeric Cu(I) complex with the mono-functionalized TTF derivative, [(CET-EDTTTF)CuBr 2] 2 (CET-EDTTTF = 4-(cyanoethylthio)-4′,5′-(ethylenedithio)tetrathiafulvalene), was prepared through the slow-diffusion of CET-EDTTTF and Cu(I)Br, and characterized by X-ray structure analysis and EPR spectroscopy. Detailed structural and EPR investigations revealed that the neutral CET-EDTTTF ligand is oxidized to its radical cation during complexation. Two [CET-EDTTTF] + ligands are facing each other through short intermolecular S⋯S contacts forming a linear chain structure.
ISSN:1387-7003
1879-0259
DOI:10.1016/j.inoche.2005.03.012