| Abstract: | A new CoII complex of diniconazole, namely diaqua[(E)‐(RS)‐1‐(2,4‐dichlorophenyl)‐4,4‐dimethyl‐2‐(1H‐1,2,4‐triazol‐1‐yl‐κN4)pent‐1‐en‐3‐ol]cobalt(II) dinitrate dihydrate, [Co(C15H17Cl2N3O)3(H2O)2](NO3)2·2H2O, was synthesized and characterized by elemental analysis, IR spectroscopy and single‐crystal X‐ray diffraction. Crystal structural analysis shows that the centrosymmetric CoII cation is coordinated by four diniconazole ligands and two water molecules, forming a six‐coordinated octahedral structure. There are also two free nitrate counter‐anions and two additional solvent water molecules in the structure. Intermolecular O—H...O hydrogen bonds link the complex cations into a one‐dimensional chain. In addition, the antifungal activity of the complex against Botryosphaeria ribis, Gibberella nicotiancola, Botryosphaeria berengriana and Alternariasolani was studied. The results indicate that the complex shows a higher antifungal activity for Botryosphaeria ribis and Botryosphaeria berengriana than diniconazole, but a lower antifungal activity for Gibberella nicotiancola and Alternariasolani. |
