The first air-stable mononuclear CuI complex (1) based on an unconjugated bisanthryl-tethered diimine ligand has been synthesized and characterized by elemental analysis, ESI-MS, UV-vis, FT-IR spectra and TGA analysis. X-ray diffraction analysis at room temperature reveals that complex 1 crystallizes in a monoclinic system, space group P21/c with a=15.611(3) Å, b=24.412 (5) Å, c=15.430 (6) Å, β=114.49 (3)°, V=5351.3 (19) Å3, ρ calc=1.359 g cm−3, μ=0.472 mm−1 and Z=4. The crystal structure of 1 features a mononuclear tricoordinated complex with a distorted triagonal planar geometry. The CuI center is coordinated to three imine N atoms of two Schiff base ligands, while the remaining one imine N atom keeps uncoordinated. UV-vis absorption and emission spectra indicate that the complexation of metal ion has slight influence on the electronic structure of the ligand. TGA analysis confirms that complex 1 is stable up to 253°C.
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This work was financially supported by NSFC (50221001, 20372065, 20333080) and the major state basic research development program of China.
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Crystallographic data reported in this paper have been deposited with Cambridge Crystallographic Data center (CCDC no.282672). Copies of the data can be obtained free of charge from www.ccdc.cam.ac.uk/conts/retrieving.html (or from the Cambridge Crystallographic Data Center, 12, Union Road, Cambridge CB2 1EZ, UK; fax: +44 1223 336033; or deposit@ccdc. cam. ac.uk).
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Zhang, G., Yang, G. & Ma, J.S. A novel stable CuI complex based on an unconjugated bisanthryl-tethered diimine ligand with tri-coordinate mode. J Chem Crystallogr 36, 631–636 (2006). https://doi.org/10.1007/s10870-006-9108-2
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DOI: https://doi.org/10.1007/s10870-006-9108-2