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The multifarious world of transition metal hydrides.
Chemical Society Reviews ( IF 46.2 ) Pub Date : 2003-12-16 , DOI: 10.1039/b207999m
G Sean McGrady 1 , Gemma Guilera
Affiliation  

Transition metal (TM) hydrides display a remarkable range of bonding types, encompassing classical M-H moieties, dihydrogen complexes containing the eta 2-H2 ligand, and trihydrides which display quantum mechanical site exchange. Furthermore, C-H, Si-H and B-H moieties can bind to TM centres in an eta 2-manner, to give sigma-bond complexes with a spectrum of M...H contributions. In addition to these primary bonding modes, TM complexes also indulge in a wide spectrum of hydrogen-bonding interactions, including both M...H-X and the unique type M-H...H-X. This review begins with a historical perspective of the development of TM hydride chemistry, and proceeds to focus on three significant developments of the past two decades: the discovery of sigma-bond and dihydrogen complexes, the involvement of TM hydrides in hydrogen bonding, and the role played by quantum mechanical phenomena in the chemistry and dynamics of TM hydrides. The account concludes with an overview of the inter-relationship between these apparently disparate novel aspects of TM hydride chemistry.

中文翻译:

多种多样的过渡金属氢化物世界。

过渡金属(TM)氢化物表现出显着的键合类型范围,包括经典的MH部分,包含eta 2-H2配体的二氢络合物以及显示量子机械位交换的三氢化物。此外,CH,Si-H和BH部分可以以eta 2方式与TM中心结合,从而产生具有M ... H谱的σ键复合物。除了这些主要的键合模式外,TM配合物还沉迷于广泛的氢键相互作用中,包括M ... HX和独特的MH ... HX类型。这篇综述从TM氢化物化学发展的历史视角开始,并着重于过去二十年的三个重要进展:发现sigma键和二氢配合物,TM氢化物参与氢键,以及量子力学现象在TM氢化物的化学和动力学中所起的作用。该帐户以TM氢化物化学这些显然不同的新颖方面之间的相互关系概述为总结。
更新日期:2019-11-01
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