配位

In the coordination compound chemical bond mainly was refers to between the central ion and the legend chemical bond .

配位化合物中的化学键主要是指中心离子和配位体之间的化学键。

Cyclodextrin linked to the guanidine causes more positive charge localizing at the central Cu cation of {[Cu (H2O)]2}(superscript 3+), which is favorable to catalyze the dismutation reaction.

与其它配位原子相比，与两个五元环连接的N原子与Cu配位能力相对下降，这也将有利于提高Cu离子与底物的结合能力。

Cyclodextrin linked to the guanidine causes more positive charge localizing at the central Cu cation of {[Cu(H2O)]2}3+, which is favorable to catalyze the dismutation reaction.

与其它配位原子相比，与两个五元环连接的N原子与Cu配位能力相对下降，这也将有利于提高Cu离子与底物的结合能力。

However, in complex 5 the lone electron pair is stereo-chemical inactivity.

要把以上几个方面的因素综合起来考虑，分析其配位构型，并最终确定铅化合物的配位环境及其扩展空间网络结构。

The catalytic activities of some coordination polymers in synthesis of DPC from oxidative carbonylation of phenol were investigated. Palladium complex Pd(C_2O_4)·0.5(C_4H_8N_2) has better catalytic activity in the typical reaction condition, it was synthesized with PdCl_2, oxalic acid and piperazine hexahydrate by solvothermal method under low temperature and characterized by IR, EA and TG.

以一些配位聚合物作为主催化剂考察它们在苯酚氧化羰基化生成碳酸二苯酯反应中的催化活性，经过比较，筛选出配位聚合物Pd(C_2O_4)·0.5(C_4H_8N_2)(在低温条件下以溶剂热法合成)，采用IR、TG，EA和比表面分析技术对它进行了表征。

Therefore, we started hydroxy benzene acetic acid and acetic acid coordination unit for the nodes of copper, cobalt, cadmium, manganese, zinc coordination polymers of structural chemistry studies.

因此，我们开展了苯羟基乙酸和苯氧乙酸配位单元为节点的铜、钴、镉、锰、锌配位聚合物的结构化学的研究。

At the same time, the importance of donor atoms pertaining to the side chain in the complexation reaction of three lariat azacrown ethers with alkali metal ions has been analyzed through the Fukui function.

同时，利用福井函数，对侧臂在氮基臂式冠醚与碱金属配位过程中的重要性进行了分析，结果表明氮基臂式冠醚的侧臂上供电子原子对整个冠醚分子与金属配位过程中有着十分重要的作用。

The coordination effect between lariat crown ether and lariat azacrown ether with alkali metal ions has been analyzed and compared according to the obtained parameters.

运用得到的量子化学计算参数，如前线轨道HOMO能级，LUMO能级等，对碳基臂式冠醚与氮基臂式冠醚与碱金属离子的配位能力进行了比较和分析，结果表明氮基臂式冠醚分子B对碱金属的配位能力要大于碳基臂式冠醚分子A。

Therefore, the axially chiral monometallic or bimetallic complexes could be formed by the chelation-induction concept upon complexing process of axially achiral ligands.

因此通过金属配位诱导，在配位基团上手性元素的影响下得到轴手性金属配合物。

However, the formation of metal chelation at one or two side of biphenyl resulted a pair of enantiomers of monometallic or bimetallic complexes. Moreover, if the coordinating groups have chiral element (e.g., chiral oxazolines), the diastereomeric metal complexes will be formed.

而且，如果配位基团上带有手性元素，它们跟金属配位后得到一对非对映异构体，由于手性元素的影响，形成这一对非对映异构体的能量是有差异的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。