Arylazoimidazole Coordinated and Naphthalene-Dicarboxylato Bridged Polymers of Co(II) and Photochromic Zn(II) Complexes
作者:Kaushik Naskar、Suvendu Maity、Srikanta Jana、Basudeb Dutta、Shinnosuke Tanaka、Debashis Mallick、Takashiro Akitsu、Chittaranjan Sinha
DOI:10.1021/acs.cgd.8b00111
日期:2018.5.2
coordination to Co(II), [Co(∝-NDC)0.5(∝4-NDC)0.5(ClPai-Me)]·0.5H2O (1), and to Zn(II), [Zn(∝-NDC)0.5(∝4-NDC)0.5(ClPai-Me)]·0.5H2O (2), have been characterized. In the single crystal X-ray structure of 1, ClPai-Me chelates to the Co(II) ion by N(azo) and N(imidazolyl), whereas in compound 2, it acts as a monodentate N(imidazolyl) donor to the Zn(II) ion. The coordination atmosphere around Co(II) in the 1
萘二甲酸羧基((NDC 2-)桥联配位聚合物(CPs)与(E)-1-甲基-2-(对氯苯基偶氮)咪唑(ClPai-Me)配位成Co(II),[Co(∝-NDC)0.5(∝ 4 -NDC)0.5(ClPai-Me)]·0.5H 2 O(1),对Zn(II)而言,[Zn(∝-NDC)0.5(∝ 4 -NDC)0.5(ClPai-Me) ]·0.5H 2 O(2),已被表征,在的单晶X射线结构1,ClPai-ME螯合物到的Co(II)离子通过N(AZO)和N(咪唑基),而在化合物2个,它充当Zn(II)离子的单齿N(咪唑基)供体。1离子中Co(II)周围的配位气氛是八面体CoN 2 O 4扭曲的,而在2的情况下,它是扭曲的方锥ZnNO 4。化合物1和2显示右手(P)和左手(M)一维螺旋链。NDC -2被用作两个M(II)离子之间的桥,以构成μ-NDC和四个M(II)离子,构建μ 4 -NDC组装三维聚合物。在UV光(369