Acta Chimica Sinica ›› 2012, Vol. 0 ›› Issue (04): 471-478.DOI: 10.6023/A1106081 Previous Articles     Next Articles

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含能化合物(AIM)NO3 与(AIM)(HTNR)·H2O 的合成、晶体结构及性质研究

汤崭, 杨利, 乔小晶, 张同来, 张建国, 梁彦会   

  1. 爆炸科学与技术国家重点实验室 北京理工大学 北京 100081
  • 收稿日期:2011-06-08 修回日期:2011-09-08 出版日期:2012-02-28 发布日期:2011-11-01
  • 通讯作者: 杨利
  • 基金资助:

    爆炸科学与技术国家重点实验室(北京理工大学)重点基金(Nos. ZDKT10-01b, ZDKT08-01); 教育部新世纪优秀人才计划(No. NCET-09-0051)资助项目.

Synthesis, Crystal Structure and Thermal Analysis of Two New Energetic Compounds (AIM)NO3 and (AIM)(HTNR)稨2O

Tang Zhan, Yang Li, Qiao Xiaojing, Zhang Tonglai, Zhang Jianguo, Liang Yanhui   

  1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081
  • Received:2011-06-08 Revised:2011-09-08 Online:2012-02-28 Published:2011-11-01
  • Supported by:

    Project supported by the Foundation of State Key Laboratory of Explosion Science and Technology (Beijing Institute of Technology) of China (No. ZDKT10-01b, ZDKT08-01), Program for New Century Excellent Talents in University (No. NCET-10-0051).

Two new energetic compounds (AIM)NO3 and (AIM)(HTNR)·H2O have been prepared directly by reacting 2-azidoimidazolium with HNO3 and 2,4,6-trinitroresorcinol (TNR). Single crystals suitable for X-ray measurement were obtained. The compounds were characterized by elemental analysis, fourier transform infrared (FTIR) spectra, single crystal X-ray diffraction, differential scanning calorimetry (DSC), and thermogravimetry-differential thermogravimetry (TG-DTG) analysis. (AIM)NO3 belongs to a monoclinic system with P21/c space group and cell parameters of a=17.034(3) Å, b=6.5214(13) Å, c=13.095(3) Å, β=111.78(3)°, V=1350.8(5) nm3; Dc=1.693 g/cm3. The compound is formed by AIM+ and NO3-, and belongs to an ionic compound. There are a lot of intramolecular and intermolecular hydrogen bonds existing in the compound, which makes the compound more stable. (AIM)(HTNR)·H2O belongs to a triclinic system with P1 space group and cell parameters of a=6.4900(13) Å, b=7.4286(15) Å, c=15.401(3) Å, α=101.57(3)°, β=98.56(3)°, γ=99.89(3)°, V=703.6(2) Å3; Dc=1.757 g/cm3. The compound is formed by AIM+ and HTNR-, and belongs to an ionic compound. Under nitrogen atmosphere with a heating rate of 10 ℃/min, the thermal decomposition of the title compounds show that there is only one exothermic process with released gas, respectively. Sensitivities of the title compounds have been studied and the result show that (AIM)NO3 has good flame sensitivity.

Key words: 2-azidoimidazolium, nitric acid, 2,4,6-trinitroresorcinol (TNR), crystal structure, thermal analysis, sensitivity