九氢合铼(VII)酸钾 结构、制备和性质 参考资料 导航菜单25396-46-7doi:10.1038/185528a0doi:10.1002/9780470132449.ch45编九氢合铼(VII)酸钾编辑或修订编

Re2(CO)10ReCl3ReOCl3(P(C6H5)3)2ReCl5ReF7Re2O7Re2S7Re2O7(OH2)2NH4ReO4NaReO4K2ReH9


配位氢化物钾化合物铼配合物


无机化合物盐氢负离子配体配位化合物铼高铼酸配位氧化态三冠三棱柱反磁性锝高铼酸钠乙醇四乙基铵












九氢合铼(VII)酸钾

识别

CAS号

25396-46-7
性质

化学式

K2ReH9

摩尔质量
273.473 g·mol⁻¹
相关物质
其他阳离子

九氢合铼(VII)酸钠
若非注明，所有数据均出自一般条件（25 ℃，100 kPa）下。

九氢合铼(VII)酸钾是一种无机化合物，化学式为K2ReH9。这种无色的盐含有ReH92−离子，这是一个很罕见的只有氢负离子作为配体的配位化合物。


对铼元素的氢化物的研究可以追溯到20世纪50年代，包括对于铼负离子的报道，这种例子被认为是Re−。这些报道使得A. P. Ginsberg和同事们通过高铼酸根的还原对这些物质进行一系列的研究。 [1]



结构、制备和性质


Nonahydridorhenate-3D-balls.png

ReH92−是一个不寻常的九配位化合物的例子，其中高的配位数可以归结于氢负离子配体的体积较小以及中心+7氧化态的铼原子所带电荷较大。这种离子的空间构型是三冠三棱柱。[2]反磁性的钠盐与类似的锝化合物一样，通过高铼酸钠（NaReO4）与金属钠在乙醇中反应制得。[3] 通过阳离子交换，它可以被转化成类似的四乙基铵盐(NEt4)2ReH9。



参考资料




  1. ^ A. P. Ginsberg, J. M. Miller, J. R. Cavanaugh, and B. P. Dailey. Evidence for the Existence of a Potassium Rhenium Hydride and its Bearing on the Nature of the (-1)-Oxidation State of Rhenium. Nature. 1960, 185: 528–9. doi:10.1038/185528a0. 


  2. ^ Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. ISBN 0-12-352651-5.


  3. ^ A. P. Ginsberg, C. R. Sprinkle. Nonahydridorhenate Salts. Inorganic Syntheses. 1972, 13: 219–225. doi:10.1002/9780470132449.ch45. 



















维基共享资源中相关的多媒体资源：九氢合铼(VII)酸钾



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