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氨基负离子

氨基负离子
IUPAC名
Azanide
别名 氨基盐离子
识别
CAS号 17655-31-1
PubChem 2826723
ChemSpider 2104824
SMILES
 
  • [NH2-]
InChI
 
  • 1S/H2N/h1H2/q-1
InChIKey HYGWNUKOUCZBND-UHFFFAOYSA-N
ChEBI 29337
性质
化学式 H2N
摩尔质量 16.02 g·mol−1
结构
分子构型 Bent
相关物质
相关化合物
二氢氟阳离子
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

氨基负离子(英語:Azanide)是IUPAC认可的NH
2
阴离子的名称。 NH
2
阴离子是氨的共轭碱,所以可以从氨的自耦电离中产生。 它可以由氨脱质子化而成,一般由强碱或碱金属来反应。

与碱金属的化合物

[编辑]

碱金属的氨基化物是氨基负离子最常见的化合物。 它们包括氨基锂氨基钠氨基钾。 这些盐状固体是通过用强碱(碱金属氢氧化物)或碱金属处理氨而产生的: [1][2][3]

2 M + 2 NH
3
→ 2 MNH
2
+ H
2
 (M = Li, Na, K)

氨基钾 就是由这种方法合成的。[4]

过渡金属的氨基化物通常是通过盐的复分解或通过氨络物的去质子化而产生的。

参考资料

[编辑]
  1. ^ Bergstrom, F. W. Sodium Amide. Organic Syntheses. 1940, 20: 86. doi:10.15227/orgsyn.020.0086. 
  2. ^ Greenlee, K. W.; Henne, A. L. Sodium Amide. Inorganic Syntheses. 1946, 2: 128–135. doi:10.1002/9780470132333.ch38. 
  3. ^ P. W. Schenk. Lithium amide. G. Brauer (编). Handbook of Preparative Inorganic Chemistry, 2nd Ed. 1. NY,NY: Academic Press. 1963: 454. 
  4. ^ O. Glemser, H. Sauer. Silver Amide. G. Brauer (编). Handbook of Preparative Inorganic Chemistry 1 2nd. New York, NY: Academic Press. 1963: 1043. 
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氨基负离子
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