measurements, a distorted octahedral stereochemistry was proposed for all Ni(II) complexes. Acrylate ions act both as unidentate and chelate ligands in complexes ( 1 ) – ( 3 ), while in complex ( 4 ) act only as chelate ligands. All used N-donor ligands function as monodentate in all Ni(II) complexes. Biological properties of complexes ( 1 ) – ( 4 ) were evaluated against several Gram(+), Gram(−) bacterial
本文已经报道了四种具有混合
配体的新型Ni(II)配合物的合成和表征。
丙烯酸酯(acr)离子与一个N供体杂环
配体即
苯并咪唑(HBzIm),
2-甲基苯并咪唑(2-MeBzIm),
5-甲基苯并咪唑(5-MeBzIm)或
5,6-二甲基苯并咪唑(5,选择6-Me 2 BzIm)。合成得到配位为[Ni(HBzIm)2(acr)2(H 2 O)]·3H 2 O( 1 ),[Ni(2-MeBzIm)2(acr)2(H 2 O)]·的配合物1.5H 2 O( 2 ),[Ni(5-MeBzIm)2(acr)2(H 2 O)]( 3 )和[Ni(5,6-Me 2 BzIm)2(acr)2 ]( 4 )。配合物( 1 )和( 2 )包含结晶
水分子和配位
水分子,其性质和存在均通过红外光谱和热分析确定。与上述配合物相反,( 3 )仅包含配位
水分子,而( 4 )是无
水化合物。基于电子光谱和磁测量,提出了一种扭曲的八面体