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Citation: Chen Zhong, Ye Jian-Liang, Cai Shu-Hui, Zhou Xing-Wang, Wan Hui-Lin, Zheng Fa-Kun, Huang Jin-Shun. Probing Self-assembling Process of [VS_4-Cu_n](n≤6) Clusters by ⁵¹V NMR[J]. Acta Physico-Chimica Sinica, ;2000, 16(05): 426-430. doi: 10.3866/PKU.WHXB20000510 shu

Probing Self-assembling Process of [VS_4-Cu_n](n≤6) Clusters by ⁵¹V NMR

1.
Department of Chemistry,Department of Physics,State Key Laboratory for Physical Chemistry of Solid Surface,Xiamen University,Xiamen 361005

Received Date: 9 August 1999
Available Online: 15 May 2000

51V NMR was used as a new pseudo in situ and nondestructive analytical tool to monitor and identify possible products of [VS4-Cun] (n≤6) clusters. The reaction of (NH 4) 3VS 4/Et 4NBr/CuBr/PPh 3 systems with various molar ratios in CH2Cl2 were mimicked in NMR tubes. The reaction conditions for the formation of the [VS 4-Cu n] clusters with different coordinate number of copper atoms n were studied. The results show the influence of the ratio among the reactants on the products and reveal the reaction mechanism in solution. This method not only provides some information about reaction mechanism, but also provides a guide in the synthesis of some clusters such as V-Cu-S clusters with less or more coordinate copper number whose reaction conditions (solvent, temperature, pH etc.) are difficult to be determined.
- 51V NMR,
- V-Cu-S clusters,
- Self-assemble,
- Reaction process
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Probing Self-assembling Process of [VS4-Cun](n≤6) Clusters by 51V NMR

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通讯作者: 陈斌, bchen63@163.com

Probing Self-assembling Process of [VS_4-Cu_n](n≤6) Clusters by ⁵¹V NMR