Abstract
A new transition metal complex, [Cu(N-MeIm)4(BF4)2](N-MeIm=N-methylated imidazoles, BF4= tetrafluoroborate), was synthesized via the solvothermal method in ionic liquid. The ionic liquid acts as thermal decomposition reaction medium, soft temple agent and ligand compound. The central Cu(II) ion is coordinated by four N atoms from four N-methylated imidazole ligands, and the four N-methylated imidazole rings are perpendicular to each other. The crystal structure of [Cu(N-MeIm)4(BF4)2] was determined by single crystal X-ray diffraction. The results of thermogravimetry(TG) and Fourier transform infrared spectrometry(FTIR) analyses were in accordance with that of crystal structure. The complex showed strong ligand-based absorbance with maximum wavelength at 208 and 231 nm, which are attributed to π-π* transition of the N-methylated imidazole ligands.
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Supported by the National Natural Science Foundation of China(Nos. 51104050, 51301050, 51202047), the Natural Science Foundation of Heilongjiang Province, China(No. E201413), the Technology Foundation for Selected Overseas Chinese Scholar of Heilongjiang Province, China(No. 159150130002), the Postdoctoral Scientific Research Developmental Fund of Heilongjiang Province, China(No.LBH-3236310448) and the Fundamental Research Funds for the Central Universities, China(No. GK2150260120).
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Wang, J., Zhang, M., Xu, X. et al. Synthesis and characterization of [Cu(N-MeIm)4(BF4)2] in ionic liquid. Chem. Res. Chin. Univ. 34, 8–12 (2018). https://doi.org/10.1007/s40242-018-7259-2
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DOI: https://doi.org/10.1007/s40242-018-7259-2