Title: Synthesis,Crystal Structure and Optical Properties of a Novel Co(II) Complex Containing Imidazole Ligand
Abstract: A novel imidazole derivative with π-conjugated system, 1-trans-4-(4-diethylaminostyryl)phenyl imidazole(L) and its complex, CoL_ 4 (SCN)_ 2 , were prepared. The structure of the complex was determined by single crystal X-ray diffraction analysis. The crystal is of orthorhombic system, space group P1 with a= 0.931 7(3) nm, b=1.275 3(4) nm, c=1.669 1(5) nm, α=89.521(5)°, β=84.591(5)°, γ= 80.052(5)° , V=1.944 6(11) nm~ 3 , Z=1, μ=0.329 mm~ -1 , D_ c =1.234 Mg/m~ 3 , F(000)=765, R_ 1 = 0.060 1, wR=0.138 1, GOF=1.030. In the molecular structure of Co(SCN)_ 2 L_ 4 , Co~Ⅱ atom is six coordinated by four N atoms of the ligands(L) and two N atoms of thiocyanate to form an octahedral geometry. The untypical hydrogen bonds and π-π stacking interaction lead to three-dimensional supramolecular formation. The optical properties were experimentally studied.
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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