配体

Two inorganic-organic hybrid materials,〓(C〓H〓O〓=isophthalate or terephthalate), have been assembled for the first time from the new type metal center Zn〓 and benzene dicarboxylate links.

首次以新型金属中心Zn〓分别和间苯二甲酸、对苯二甲酸配体合成了2个配位聚合物无机-有机杂化材料。

In the structures of these complexes, zinc can act as the vertex of the networks in various styles: single atom; dicarboxylate, tricarboxylate or tetracarboxylate bridged binuclear SBU ; and octacarboxylate bridged trinuclear SBU.

在这些配合物的结构中，锌离子可以按多种形式作为网络结构的顶点：单原子，双羧基、三羧基或四羧基桥连的双核锌次级结构单元，八羧基桥连的三核锌次级结构单元，再与配体组装成不同的配位聚合物网络。

Two inorganic-organic hybrid materials, [Zn_8(SiO_4)(C_8H_4O_4)_6]_n (C_8H_4O+4 = isophthalate or terephthalate), have been assembled for the first time from the new type metal center Zn_8(Si0_4) and benzene dicarboxylate links.

首次以新型金属中心Zn_8(SiO_4)分别和间苯二甲酸、对苯二甲酸配体合成了2个配位聚合物无机-有机杂化材料。

Five new Mn metal-organic coordination polymers, _n (1),{·1.5H_2O}_n (2), _n (3), _n (4) and {[Mn_3_2_2_2(H_2O)_2]·2H_2O}_n (5), were prepared through hydrothermal reactions of Mn acetate with H_2tbip or H_2mip in the presence of different dipyridyl co-ligands.

利用5-叔丁基间苯二甲酸、5-甲基间苯二甲酸和醋酸锰以及不同含氮辅助配体在水热条件下自组装得到了5个配位聚合物，_n(1)，{·1.5H_2O}_n(2)，_n(3)，_n(4)和{Mn_3_2_2_2·2H_2O}_n(5)。

In the thesis, we wish to report the synthesis and structures of a series of new type rigid conjugated nanometer-sized fulvene ligands, and coordination polymeric compounds based on both metal-carbon and metal-heteroatom interactions and also H-bonded supramolecular architectures generated from this new type of fulvene ligands.

基于此，我们合成了一系列刚性共轭的纳米级富烯类配体，并以之与过渡金属离子反应合成了同时基于金属-碳和金属-杂原子两种键合作用的有机-无机配位高聚物及以氢键作用为驱动力的超分子聚集体。

It is concluded that if palladium ion coordinated with ligands is electron deficient and ligands have less steric hinderance, the palladium complex will have higher catalytic activity. According to this rule, we can tone ligand in palladium complex and improve its activity.

如果配体能使Pd〓的电子缺乏，具有较小的空间位阻，Pd配合物的活性就会提高，因此可根据这一结论对Pd配合物中的配体进行调配，提高其催化活性。

IR spectra and UV spectra of the complexes are described. The results show that two phenolic oxygen and two imino nitrogen atoms in H2L coordinate to M ions.

通过对配合物的红外光谱和紫外光谱测定与归属，推测在三个过渡金属Schiff碱配合物中配体是通过酚羟基的氧原子和亚氨基的氮原子进行配位的。

The possible ligand-ligand interactions in these ternary complexes were discussed, and the structural effects of the iodo groups on the interaction were emphasized.

讨论了这些混配配合物中配体间相互作用的规律和碘的结构效应。

Malonic acid derivatives is the formation of complexes of ligand good, especially in the coordination of biological chemistry is of great significance.

丙二酸衍生物是形成配合物的良好配体，特别是在生物配位化学中具有重要意义。

The broken line in the formula represents a coordinate bond between a multidentate ligand and the metal.

在式中的虚线表示在多齿配体和金属之间的配位键。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。