Citation: GAO Lei, LI Xiao-Yan, LIU Chang, ZHANG Yang, DONG Wen-Kui. Mononuclear Cu(Ⅱ) and Trinuclear Co(Ⅱ) Complexes Based on Coumarin-Containing N₂O₂ Ligands: Syntheses, Structures and Fluorescence Properties[J]. Chinese Journal of Inorganic Chemistry, ;2018, 34(7): 1381-1391. doi: 10.11862/CJIC.2018.151 shu

Mononuclear Cu(Ⅱ) and Trinuclear Co(Ⅱ) Complexes Based on Coumarin-Containing N₂O₂ Ligands: Syntheses, Structures and Fluorescence Properties

School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

Corresponding author: DONG Wen-Kui, dongwk@126.com
Received Date: 22 January 2018
Revised Date: 14 March 2018

Figures(11)

Two newly designed complexes, [Cu(L1)(H₂O)] (1) and [Co₃(L2)₂(μ₂-OAc)₂(MeOH)₂]·3CH₂Cl₂ (2) derived from tetradentate Salamo-type chelating ligands (H₂L1 and H₂L2) have been synthesized and characterized by elemental analyses, IR and UV-Vis spectra, fluorescence spectra and X-ray crystallography. Complex 1 shows a slightly distorted tetragonal pyramid, forming a dimer supramolecular structure by intermolecular hydrogen bond interactions. While all of the Co(Ⅱ) ions in complex 2 are hexa-coordinated with slightly distorted octahedral coordination geometries. The supramolecular structure of complex 2 is formed via intermolecular hydrogen bond interactions leading to a self-assembly infinite 1D chain structure. The fluorescent properties of H₂L1 and H₂L2 have been discussed and the crystal structures of complexes 1 and 2 were confirmed by fluorescence titration experiments.
- tetradentate N₂O₂ ligand,
- complex,
- synthesis,
- crystal structure,
- fluorescence property
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Mononuclear Cu(Ⅱ) and Trinuclear Co(Ⅱ) Complexes Based on Coumarin-Containing N2O2 Ligands: Syntheses, Structures and Fluorescence Properties

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通讯作者: 陈斌, bchen63@163.com

Mononuclear Cu(Ⅱ) and Trinuclear Co(Ⅱ) Complexes Based on Coumarin-Containing N₂O₂ Ligands: Syntheses, Structures and Fluorescence Properties