Application of 183W NMR Technique in the Study of Polyoxometalates

Chen Yaguang, Qu Lunyu#, He Jianghua#
(Department of Chemistry, Yantai Normal College, Yantai 264025
#Faculty of Chemistry, Northeast Normal University, Changchun 130024)

Abstract The 183W nuclear magnetic resonance technique has played an important role in the investigation of polyoxometalates. The compounds with different structure and different composition exhibit very different NMR spectrum. Therefore the 183W NMR spectrum can be used as a powerful tool for examining the products and their purity, and distinguishing the isomers and new structure in solution. The investigation of the origin of chemical shifts and the relationship between chemical shifts and structure of the compounds are also presented.
Key words 183W NMR, Polyoxometalates, Structure, Chemical shift

　

183W核磁共振技术在多金属氧酸盐研究中的应用

陈亚光  瞿伦玉#  何江华#
(烟台师范学院化学系 烟台 264025  #东北师范大学化学学院 长春 130024)

摘要 183W核磁共振技术在多金属氧酸盐的研究中起重要作用。不同结构、不同组成的化合物有完全不同的核磁共振谱。183W核磁共振谱可以作为反应产物鉴别、产品纯度检验的有利工具。183W核磁共振谱还是溶液中鉴别异构体、发现新结构的有利工具。对核磁共振谱中化学位移的来源、化学位移与结构关系的研究也做了介绍。
关键词 183W核磁共振技术 多金属氧酸盐 结构 化学位移

陈亚光 女，46岁，博士，教授，从事多酸化学的研究。
国家自然科学基金资助项目(39970842)
2001-09-13收稿，2002-02-07修回

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