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氢氧化铝(I)

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氢氧化铝(I)
识别
CAS号 20768-67-6
SMILES
 
  • [Al]O
性质
化学式 AlOH
摩尔质量 43.989 g·mol⁻¹
相关物质
其他阴离子 AlSH[1]
其他阳离子 GaOH, InOH, TlOH
相关化学品 Al(OH)2, Al(OH)3
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

氢氧化铝(I)是一种无机化合物,分子式为AlOH,存在于太空中,也可人工制备而得。

特性

氢氧化铝(I)分子在一颗高氧含量的红超巨星的星周包层被探测到,在此之前金属或氢氧化物被认为极少存在于该处。[2]

其Al-O的键长为1.682 Å、O-H的键长为0.878 Å;其旋转常数为15,740.2476 MHz、键离解能为0.02481 MHz、四级偶合常数为-42.4 MHz。[3]

制备

氢氧化铝(I)可藉持续加热金属,使气化的铝与过氧化氢反应而得。[3]另外在10K温度的固态氩中凝结气化铝、氢和氧混合物,能得出氢氧化铝(I)以及Al(OH)2Al(OH)3、HAl(OH)2cyc-AlO2AlOAl分子。[4]

参考

  1. ^ Fukushima, Masaru; Gerry, Michael C.L. Fourier transform microwave spectroscopy of aluminum hydrosulfide, AlSH. Journal of Molecular Spectroscopy. 2010-07, 262 (1): 11–15. doi:10.1016/j.jms.2010.04.005 (英语). 
  2. ^ Tenenbaum, E. D.; Ziurys, L. M. Exotic Metal Molecules in Oxygen-rich Envelopes: Detection of AlOH (X1Σ+) in VY Canis Majoris. Astrophysical Journal. 2010, 712 (1): L93–L97. Bibcode:2010ApJ...712L..93T. doi:10.1088/2041-8205/712/1/L93. 
  3. ^ 3.0 3.1 Apponi, A. J., Barclay, W. L., Jr., & Ziurys, L. M. The millimeter-wave spectrum of AlOH. Astrophysical Journal, Part 2 - Letters: L129–L132. [2020-08-01]. (原始内容存档于2020-07-13). 
  4. ^ Wang, Xuefeng; Andrews, Lester. Infrared Spectroscopic Observation of the Group 13 Metal Hydroxides, M(OH)1,2,3 (M =Al, Ga, In, and Tl) and HAl(OH)2. The Journal of Physical Chemistry A. 2007-03, 111 (10): 1860–1868. doi:10.1021/jp066390e. 


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氢氧化铝(I)
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