以吡啶为配体的双金属Co(Ⅱ)和Ni(Ⅱ)单核配合物的合成、晶体结构及表征

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采用缓慢蒸发溶剂的方法,在去离子水溶剂中合成了双金属Co(Ⅱ)和Ni(Ⅱ)单核配合物[Co0.78Ni0.22(py)3(H2O)3](1,5-nds)(1,5-nds=1,5-萘二磺酸根离子,py=吡啶)。利用X射线单晶衍射以及红外光谱等表征手段确定了其结构和组成。该配合物属于单斜晶系,空间群为C2/c。该配合物为单核配合物,中心离子为双金属Co(Ⅱ)和Ni(Ⅱ)。中心离子与三个吡啶和三个水分子配位。1,5-萘二磺酸根离子没有与中心离子配位,只起到平衡电荷的作用。 The bimetallic Co (Ⅱ) and Ni (Ⅱ) mononuclear complexes [Co0.78Ni0.22 (py) 3 (H2O) 3] were synthesized by slowly evaporating the solvent. nds) (1,5-nds = 1,5-naphthalenedisulfonate ion, py = pyridine). Its structure and composition were confirmed by single crystal X-ray diffraction and infrared spectroscopy. The complex belongs to monoclinic system with space group C2 / c. The complex is a mononuclear complex, the center ions are bimetal Co (Ⅱ) and Ni (Ⅱ). The central ion coordinates with three pyridines and three water molecules. 1,5-naphthalene disulfonate ion does not coordinate with the central ion, only play a role in balancing the charge.
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