Abstract
Three structurally related ligands 3-chloro-6-(benzoimidazol-1-yl)pyridazine (L 1), 3-chloro-6-(1,2,4-triazol-1-yl)pyridazine (L 2) and 3,6-bis(imidazol-1-yl)pyridazine (L 3) were designed and synthesized, and six new Zn(II), Co(II), Cu(II) and Cd(II) complexes, namely, [M(L 1)2Cl2] [M = Zn (1) and Co (2)], [Cu(L 2)2(NO3)2(H2O)] (3), [Cu(L 2)2Cl2]∞ (4), [CuL 3(CH3COO)2]∞ (5) and [CdL 3(SCN)2]∞ (6) were synthesized and characterized by elemental analyses, IR spectra as well as single-crystal X-ray diffraction analysis. The analysis reveals that complexes 1, 2 and 3 have a mononuclear structure, 1 and 2 have a similar structure. Complex 3 features a 1D structure with intermolecular O–H⋯O hydrogen bonding interactions. Complex 4 shows a 1D chain structure with bridging Clˉ ions. Complex 5 exhibits a 1D ladder structure. The 2D framework of 6 features are rectangular grid with a (4, 4) topology. Additionally, photoluminescence properties of ligands L 1, L 3 and complexes 1, 2 and 6 have been studied and discussed.
Graphical Abstract
Six new metal-organic complexes were synthesized and structurally characterized, complexes 1, 2 and 3 have a mononuclear structure, complexes 4 and 5 show 1D chain structure, the 2D framework of 6 has a rectangle grid with a (4, 4) topology, moreover, photoluminescence properties of ligands L 1, L 3 and complexes 1, 2 and 6 have been studied and discussed.
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This work was financially supported by the Natural Science Funds of XinJiang, China (No. 2015 211C266).
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Zhou, SB., Du, CC., Wang, Xf. et al. Six New Complexes Based on Substituted Pyridazine Ligands: Structures and Luminescent Properties. J Chem Crystallogr 47, 215–225 (2017). https://doi.org/10.1007/s10870-017-0699-6
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DOI: https://doi.org/10.1007/s10870-017-0699-6