Molecular hydride carbonyl clusters and nanoclusters

IF 2.7 3区 化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Inorganica Chimica Acta Pub Date : 2024-09-26 DOI:10.1016/j.ica.2024.122394
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Abstract

This minireview outlines the actual status of the chemistry of hydride metal carbonyl clusters (MCCs) by means of pertinent examples, without being comprehensive. After a brief introduction to the topic, the major synthetic routes for the introduction of hydride ligands in MCCs are described, with particular focus on the different typologies of reagents that can be employed. The structures of hydride MCCs and the different coordination modes of hydride ligands are, then presented, based on single-crystal X-ray and neutron diffraction data available. Some general considerations on 1H NMR studies of hydride MCCs are described, including fluxionality and the problems of detecting hydrides in larger MCCs. Moreover, electrochemical studies of hydride MCCs are summarized, focusing on electrochemistry as an indirect tool for determining the hydride nature of large MCCs, and tuning the redox potentials of MCCs by protonation/deprotonation reactions. Applications of hydride MCCs in catalysis and electrocatalysis are only briefly described at the end of this minireview, since this topic has been recently reviewed.

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分子氢化物羰基团簇和纳米团簇
这篇微型综述通过相关实例概述了氢化物金属羰基簇(MCC)化学的实际状况,但并不全面。在简要介绍了这一主题之后,介绍了在 MCC 中引入氢化物配体的主要合成路线,尤其侧重于可采用的不同类型试剂。然后,根据现有的单晶 X 射线和中子衍射数据,介绍了氢化物 MCC 的结构和氢化物配体的不同配位模式。介绍了氢化物 MCC 的 1H NMR 研究的一些一般考虑因素,包括通量和在较大 MCC 中检测氢化物的问题。此外,还总结了氢化物 MCC 的电化学研究,重点介绍了电化学作为一种间接工具来确定大型 MCC 的氢化物性质,以及通过质子化/去质子化反应来调整 MCC 的氧化还原电位。氢化物催化还原催化剂在催化和电催化中的应用仅在本小视图的最后作了简要介绍,因为这一主题最近已被综述过。
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来源期刊
Inorganica Chimica Acta
Inorganica Chimica Acta 化学-无机化学与核化学
CiteScore
6.00
自引率
3.60%
发文量
440
审稿时长
35 days
期刊介绍: Inorganica Chimica Acta is an established international forum for all aspects of advanced Inorganic Chemistry. Original papers of high scientific level and interest are published in the form of Articles and Reviews. Topics covered include: • chemistry of the main group elements and the d- and f-block metals, including the synthesis, characterization and reactivity of coordination, organometallic, biomimetic, supramolecular coordination compounds, including associated computational studies; • synthesis, physico-chemical properties, applications of molecule-based nano-scaled clusters and nanomaterials designed using the principles of coordination chemistry, as well as coordination polymers (CPs), metal-organic frameworks (MOFs), metal-organic polyhedra (MPOs); • reaction mechanisms and physico-chemical investigations computational studies of metalloenzymes and their models; • applications of inorganic compounds, metallodrugs and molecule-based materials. Papers composed primarily of structural reports will typically not be considered for publication.
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