Synthesis and characterization of a novel cyclic tetranuclear CoII4 cluster consisting of a quadrilateral core
作者:Manindranath Bera、Ghezai T. Musie、Douglas R. Powell
DOI:10.1016/j.inoche.2010.06.002
日期:2010.9
Abstract A novel cyclic tetranuclear cluster, [Co(H2O)6][Co4(ccdp)2(H2O)4]·8H2O·2CH3CN (1) with cobalt(II) ions sitting in a quadrilateral has been synthesized and fully characterized by exploiting the flexibility, chelating ability and bridging potential of a carboxylate rich dinucleating ligand, H5ccdp [H5ccdp = N,N′-Bis[2-carboxybenzomethyl]-N,N′-Bis[carboxymethyl]-1,3-diaminopropan-2-ol]. The crystal
摘要 合成了一种新型环状四核簇 [Co(H2O)6][Co4(ccdp)2(H2O)4]·8H2O·2CH3CN (1),钴 (II) 离子位于四边形富含羧酸盐的双核配体 H5ccdp [H5ccdp = N,N'-Bis[2-carboxybenzomethyl]-N,N'-Bis[carboxymethyl]-1,3-diaminopropan-2-ol 的灵活性、螯合能力和桥接潜力]。1 的晶体结构包含一个 [Co4II(H2O)4)]2– 核心单元,该单元由配体的两个桥接苯甲酸盐部分 ccdp5– 连接在一起。此外,[Co4II(H2O)4)]2– 核心单元分别通过分子间氢键和 [Co(H2O)6]2+ 稳定和电荷中和。