叠氮化亚铊

叠氮化亚铊
别名 叠氮化铊
识别
CAS号 13847-66-0  checkY
PubChem 22764821
ChemSpider 15368504
SMILES
 
  • [Tl+].[N-]=[N+]=[N-]
InChI
 
  • 1/N3.Tl/c1-3-2;/q-1;+1
InChIKey GMUSFHMEMWCQIE-UHFFFAOYAP
性质
化学式 TlN3
摩尔质量 246.4035 g·mol⁻¹
外观 黄棕色
溶解性（水） 不可溶
结构
晶体结构 四方晶系, tI16 [1]
空间群 I4/mcm, No. 140
危险性
欧盟分类 剧毒 T+爆炸性 E腐蚀性 C有害环境物质 N
主要危害 剧毒
NFPA 704
0
4
3
 
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

叠氮化亚铊，化学式 TlN3，是一种黄棕色晶体，难溶于水。 尽管它对冲击或摩擦的敏感度不及叠氮化铅，但叠氮化亚铊仍然很容易被火焰或火花引爆。它可以安全干燥保存在密闭的非金属容器中。

制备和结构

叠氮化亚铊可以由硫酸亚铊水溶液和叠氮化钠反应而成。叠氮化亚铊沉淀出来，通过冷却可以使产量最大化。

TlN3、KN3、RbN3和 CsN3 有一样的结构。 叠氮阴离子以偏光方向与八个阳离子结合。这些阳离子结合到八个末端N的中心。 [2]

叠氮化钾/铷/铯/亚铊的结构

危险性

所有的铊化合物都有毒并应小心处理。此外，必须避免吸入任何含叠氮化亚铊的灰尘或烟雾。

参考资料

  1. ^ Mauer F.A.; Hubbard C.R.; Hahn T.A. Thermal expansion and low temperature phase transition of thallous azide. J. Chem. Phys. 1973, 59 (7): 3770–3776. doi:10.1063/1.1680549. 
  2. ^ Ulrich Müller "Verfeinerung der Kristallstrukturen von KN3, RbN3, CsN3 und TIN3" Zeitschrift für anorganische und allgemeine Chemie 1972, Volume 392, 159–166. doi:10.1002/zaac.19723920207


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