Syntheses and Solid-State and Solution Structures of [Ba{(C5Me5)2Ti2F7}2(hmpa)] and [Ba8Ti6F30I2
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- 作者：Andrej Pevec
- 刊名：Inorganic Chemistry
- 出版年：2004
- 出版时间：February 23, 2004
- 年：2004
- 卷：43
- 期：4
- 页码：1250 - 1256
- 全文大小：239K
- 年卷期：v.43,no.4(February 23, 2004)
- ISSN：1520-510X
文摘
The complexes [Ba{(C5Me5)2Ti2F7}2(hmpa)]·(THF), 1·hmpa·(THF), and [Ba8Ti6F30I2(C5Me5)6(hmpa)6][I3]2·10(THF),2[I3]2·10(THF), were prepared from [Hdmpy]+[(C5Me5)2Ti2F7]- (dmpy = 2,6-dimethylpyridine), BaI2, and hmpa (hmpa= hexamethylphosphoramide). They were characterized by 1H and 19F NMR and IR spectroscopy and examinedby single-crystal X-ray crystallography. The complexation equilibrium of the barium ion in 1 with hmpa and thedynamics of the barium ion moving on the fluorine surfaces of [(C5Me5)2Ti2F7]- in 1·hmpa have been studied byvariable-temperature 19F NMR spectroscopy. The core of the complex 2[I3]2·10(THF) resembles the basic structuralunit of the cubic perovskite.