当增大金属离子与血清白蛋白的浓度比时,也发生类似的配位中心构型变化。
When the concentration of the serum albumin was fixed and the ratio of metal ions to serum albumin increased, there exists similar configuration of the coordination center.
主要原因可能是形成配合物后电子由配体流向配位的中心阳离子,增加了电子的转移能力。
Thus could be resulted from the complexation by which increases the electron density of the metal ion through partial sharing of its positive charge with donor groups.
配合物10是单核配合物,中心锌原子是八面体构型配位。
The mononuclear complex 10 is octahedron structure with Zn (II) being coordination center.
金属中心为六配位略微变形的八面体几何构型。
The central metals was six-coordinated with octahedron geometry.
从聚合物的结构表征及机理探讨表明:颜色突变后,体系产生了新的活性中心,催化机理发生了转变——由配位机理转变为阳离子机理。
Structure characterization and mechanism study showed that, after the color change, new active center formed and polymerization changed from coordination to cationic mechanism.
中心锡原子为畸变四面体配位构型。
The tin atoms have a distorted tetrahedral coordination geometry.
同中心离子连接的配位体,数目称为配位数。
The number of ligands attached to the central ion is called the coordination number.
通过上述晶体结构中配位键长键角的分析,得到了一个行之有效的标准,判断羧基与中心金属离子是单齿配位还是螯合配位。
A new criterion to decide whether the carboxy group coordinating to the metallic ion in mono or bi dentate-fashion in an ambiguous situation, base on coordination bond distances and angles.
从金属络合吸收剂的结构出发,分析了铁、钴等金属中心离子和氨基羧酸类或巯基类配体的配位化学;
Starting from the metal complexes solution structures, this paper analysizes the ligand chemistry of metal centers such as iron and cobalt and binding of aminocarboxylate and thiochelate complexes.
研究发现,这些配合物的中心离子都采用了六配位,形成了八面体构型。
The study found that the central ion of these complexes have adopted the six-coordinated, forming octahedral geometry.
按照已有的酶活性中心的金属-氨基酸侧链配位和空间关系,设计合成多齿配体,并使配体和金属离子通过配位作用形成配合物。
They are designed according to the special relations and coordination of metal-amino acid side chain in the active centre in known enzymes.
其中,配合物1和2是以镉为中心离子的八配位四方反棱柱构型;3-5属于异质同晶体,呈现一维链结构。
The complexes 1 and 2 have formed the distorted square antiprism geometry with Cd ions as the central ions. 3-5 are isostructural with 1D chain structure.
配合物(4)中的锡原子为五配位,构成以锡原子为中心扭曲的三角双锥构型。
In the molecular structure of complex (4), Sn atoms are five-coordinated and present the distorted trigonal bipyramidal geometry structures.
配合物(4)中的锡原子为五配位,构成以锡原子为中心扭曲的三角双锥构型。
In the molecular structure of complex (4), Sn atoms are five-coordinated and present the distorted trigonal bipyramidal geometry structures.
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