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三茂钐

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三茂钐
别名 三(环戊二烯基)钐
识别
CAS号 1298-55-1  ✓
性质
化学式 Sm(C5H5)3
摩尔质量 345.647 g·mol⁻¹
外观 橙色固体[1]
熔点 365℃(熔化时略有分解)
沸点 220℃
(10-3~10-4mmHg,升华)
相关物质
相关化学品 环戊二烯
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

三茂钐金属有机化合物,化学式为Sm(C5H5)3,在干燥空气中稳定。

三茂钐和一般过渡金属的环戊二烯配合物不同,被认为是离子型键合。[1]

制备

三茂钐可在四氢呋喃介质中,用无水氯化钐环戊二烯钠反应得到:[1]

3C5H5Na + SmCl3 → (C5H5)3Sm + 3 NaCl

化学性质

三茂钐遇水分解,生成氢氧化钐环戊二烯

参考资料

  1. ^ 1.0 1.1 1.2 《无机化学丛书》. 第七卷 钪 稀土元素. 易宪武 等主编. 科学出版社. 2.3.7 稀土元素有机化合物. P260~261. 1.π络合物
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三茂钐
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