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氯化三茂镎

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氯化三茂镎
别名 氯化三(环戊二烯)合镎(IV)
识别
CAS号 1317-00-6  ✓
性质
化学式 Np(C5H5)3Cl
摩尔质量 467.738 g·mol⁻¹
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

氯化三茂镎是一种锕系元素金属有机化合物,有放射性,化学式为Np(C5H5)3Cl,其中镎为+4价。[1]

制备

该化合物可由铀的化合物238UCp3Cl经衰变,得到239UCp3Cl,放出β射线后得到239NpCp3Cl。[1]

化学合成法可用三氯化镎二茂铍在60 °C反应得到:[1]

8NpCl3 + 9 Cp2Be → 6 NpCp3Cl + 2 Np + 9 BeCl2

四氯化镎和KCp在甲苯溶液中反应得到NpCp4,NpCp4和氯化铵反应,也能得到NpCp3Cl。[2]

性质

该化合物在乙醚中和钠汞齐反应,生成一乙醚合三茂镎(NpCp3·Et2O)。[2]和NpCp3Cl在四氢呋喃中用萘钾于66 °C还原,得到NpCp3·THF;用KCp在四氢呋喃中反应,得到K[NpCp4]配合物。[1]

参考文献

  1. ^ 1.0 1.1 1.2 1.3 Polly L. Arnold, Michał S. Dutkiewicz, Olaf Walter. Organometallic Neptunium Chemistry. Chemical Reviews. 2017-09-13, 117 (17): 11460–11475 [2019-01-31]. ISSN 0009-2665. doi:10.1021/acs.chemrev.7b00192. 
  2. ^ 2.0 2.1 Polly L. Arnold, Olaf Walter, Christos Apostolidis, Michał S. Dutkiewicz. Reduction chemistry of neptunium cyclopentadienide complexes: from structure to understanding. Chemical Science. 2017-03-28, 8 (4): 2553–2561 [2019-01-31]. ISSN 2041-6539. doi:10.1039/C7SC00034K. (原始内容存档于2018-12-19) (英语). 

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氯化三茂镎
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