Crystal structure, configurational and DFT-NEDA analysis of nickel(II) complexes with pentadentate ed3a-type ligands
作者:Svetlana Belošević、Marina Ćendić、Auke Meetsma、Zoran D. Matović
DOI:10.1016/j.poly.2012.11.029
日期:2013.2
H(3)eda2p and H(3)ed3p (H(3)ed3a stands for ethylenediamine-N,N,N'-triacetic acid; H(3)1,2-pd3a stands for 1,2-propanediamine-N,N,N'-triacetic acid; H(3)eda2p stands for ethylenediamine-N-acetato-N,N'-di-3-propionic acid and H(3)ed3p stands for ethylenediamine-N,N,N'-tri-3-propionic acid) and the corresponding novel octahedral nickel(II) complexes have been prepared and characterized. H(3)ed3a, H(3)1,2-pd3a
OONNO型五齿配体H(3)ed3a,H(3)1,2-pd3a,H(3)eda2p和H(3)ed3p(H(3)ed3a代表乙二胺-N,N,N'-三乙酸; H(3)1,2-pd3a代表1,2-丙二胺-N,N,N'-三乙酸; H(3)eda2p代表乙二胺-N-乙酰-N,N'-di- 3-丙酸和H(3)ed3p代表乙二胺-N,N,N'-三-3-丙酸),并已制备和表征了相应的新型八面体镍(II)配合物。H(3)ed3a,H(3)1,2-pd3a,H(3)eda2p和H(3)ed3p配体通过五个供体原子(三个去质子化的羧酸根原子和两个胺氮)与镍(II)离子配位所有研究的Ni(II)配合物均具有八面体几何形状。八面体中的第六位已被水分子占据。六个坐标 晶体学已确定[Ni(H2O)(6)] [Ni(ed3a)(H2O)](2)中心点2H(2)O络合物的八面体几何形状。与相似的螯合镍(II)配合物相关的结