Synthesis and spectroscopic properties of four metal complexes with bipyridinium-based ligand
JOURNAL OF COORDINATION CHEMISTRY(2018)
摘要
A series of new transitional metal charge-transfer (CT) complexes with a bipyridinium-based ligand [M(PrBpy)(2)(SCN)(4)] (M=Cd(II), Ni(II), Co(II)) and [Cu(PrBpy)(SCN)(3)(H2O)] (PrBpyCl=N-(2-pyrazinyl)-4,4-bipyridinium chloride) have been obtained and determined by X-ray diffraction, FT-IR and elemental analysis. The CT absorption bands of the four compounds were observed by diffuse reflection spectroscopy and a photo-induced electron transfer occurs in methanol solution upon light irradiation. [GRAPHICS] .
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关键词
Charge-transfer,bipyridinium-based,diffuse reflection spectroscopy
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