配体

Rare earth organometallic chemistry is closely interrelated with materials science, organic synthesis, life science. Rare earth organometallic complexes containing Ln-C σ bond and involving silylene-bridged fluorenyl are of important significance in macromolecular and asymmetry organic synthesis.

稀土金属有机化学与材料科学、有机合成、生命科学等学科密切相关，含Ln-Co键稀土金属有机配合物和含硅桥配体稀土金属有机配合物在高分子和有机合成不对称催化领域具有重要意义。

In this dissertation,we chose some simple ligands as raw materials.A series of metal-organic complex were synthesized under room temperature.Their molecule structures were determined and some relative physical and chemical properties were studied in the purpose of discovering some new phenomena between the structure and NLO properties.It will settle foundation studies for developing this work frothily.

本论文主要以有机磷配体三苯基氧化磷作为起始原料，在温和条件下，设计、合成了一系列金属-有机配合物，测定其晶体结构，并积极开展了一些相关的物理化学性质的研究，努力揭示晶体结构与其二阶非线性光学效应之间的新现象，新问题，为进一步拓展和深化该工作奠定基础。

It is worthy pointing out that there are two types of Ag-C bonding models found in 19 including /7\'-C6H6-Ag and /72-Cp-Ag.Three new H-bonded one-dimensional supramolecular compounds, namely M(C3oH2iN2O2)2(C2H5OH)2 M - Cu(II (20), Co (21) and Mn (22), were also synthesized by the reactions of metal (Cu2+, Co2+, Mn2+) acetate with this new type of fulvene ligand.

用所合成刚性多齿有机配体与过渡金属Cu~(2+)(来源：AB4dC论文网www.abclunwen.com)、Co~(2+)、Mn~(2+)的醋酸盐反应，分别合成了含七员金属环的配合物(20—22)，在固态下，20—22为分子间氢键驱动的一维链状超分子聚集体。

O methoxy phenyl lithium reacts with 6,6 dimethyl fulvene to give ligand lithium (Cp ′Li,Cp ′ represents cyclopentadienyl with substituents).

邻甲氧基苯基锂和 6，6-二甲基富烯(或 6，6-二乙基富烯)反应得配体锂盐，Cp′ Li直接和 Cp Zr Cl3· DME反应生成 2个新的锆络合物 Cp′ Cp Zr Cl2 。

A novel supramolecular complex, [Cu2]CH3OHH2O (fum=fumarate dianion, dpphen=4, 7-diphenyl-1, 10-phenanthroline), has been prepared from the reaction of bidentate ligand, fumarate with CuCl2, and were characterized by element analysis, IR, thermal analysis and X-ray diffraction technique.

利用螯合配体4，7-二苯基－1，10-邻菲罗啉与反丁烯二酸钠及铜盐反应合成了一种新型超分子配合物[Cu2]CH3OHH2O（fum=反丁烯二酸根，dpphen=4，7-二苯基－1，10-邻菲罗啉）。通过元素分析、红外光谱、热分析和X射线单晶衍射等技术对其进行了表征。

Thirdly, the interaction between metal, drug and guanylic acid is studied by UV and fluorescence spectra.

其中的原始配体CPFX在合成反应中均发生了改变，主要变化在7位取代基。

Although the orbital energy levels changed with different metal atoms and haloid ligands, the energetic ordering of orbitals is not exchanged.

金属原子和卤素配体的改变虽然使轨道能量发生变化，但没有影响轨道的排布顺序。

This pentanuclear linear metal chain is helically wrapped by four syn-syn-syn-syn type dmpzda ligands.

这个五核线性金属链被四个顺式的dmpzda2-配体螺旋包裹。

Notably, compounds 12–14 can be described as a 3D open–framework with nano–channels, compound 15 can be described as a 3D open–framework with double helical channels, while compound 16 can be described as a 3D heterochiral coordination polymer with double helical channels, which can be obtained by spontaneous resolution from the racemic phosphonic acid.X–ray powder diffraction analysis shows that compound 16 is a pure phase. Surface photovoltage spectroscopy of compound 16 indicates that it possesses positive SPV response in the range of 300–600 nm and shows p–type semiconductor characteristic.

值得注意的是，化合物12-14为具有一维纳米孔道结构的三维开放骨架结构，化合物15是具有双螺旋孔道的三维开放骨架结构，而化合物16是外消旋的有机膦酸配体通过自发拆分而形成的具有双螺旋孔道的多手性三维开放骨架结构。X-射线粉末衍射分析表明化合物16为纯相；化合物16的表面光电压光谱分析中，在300-600nm范围内有3个正的光(来源：ABC论文12网www.abclunwen.com)伏响应带，表明它具有p型半导体的特征；化合物16的诱导表面光电压谱进一步确定它的p型半导体的特征；磁性研究表明，化合物16中两Mn原子之间存在弱的反铁磁相互作用。

A series of studies by using X-ray monocrystal analysis as the main methods on rare earth complexes with p-amino acids, heteronuclear complexes with a-amino acids and some complexes with different ligands were reported in this paper.

本论文以单晶X-射线衍射为主要手段对β-氨基酸稀土配合物、α-氨基酸异核金属配合物和以α-氨基酸为混合配体的金属配合物进行了较为系统的研究。

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。