Crystal Structure and Properties of 7-Imino-3-Nitroimino-2,4,6,8-Tetraazabicyclo[3.3.0]Octane Hydrochloride
作者:Xinghui Jin、Bingcheng Hu
DOI:10.1002/zaac.201600100
日期:2016.5
physical properties of the energetic intermediate 7-imino-3-nitroimino-2,4,6,8-tetraazabicyclo[3.3.0]octane hydrochloride (compound A) were investigated. The crystal structure and thermal behavior were measured by X-ray diffraction and TG-DTG-DSC coupling system, respectively. The electronic structure was also studied by electronic density, nature bond orbital charges, frontier molecular orbital, density
研究了含能中间体 7-imino-3-nitroimino-2,4,6,8-tetraazabicyclo[3.3.0] 辛烷盐酸盐(化合物 A)的化学和物理性质。晶体结构和热行为分别通过X射线衍射和TG-DTG-DSC耦合系统测量。还通过电子密度、自然键轨道电荷、前沿分子轨道、状态密度和静电势研究了电子结构。化合物 A 在空间群 Pna21 中正交结晶。热力学性质表明它具有中等的热稳定性,具有尖锐的放热峰(298.5 °C,10 K·min-1)和高热爆炸临界温度(558.5 K)。化合物A的正静电势强于负静电势,可以稳定分子。化合物A也可作为一种含能中间体,对探索其他7-imino-3-nitroimino-2,4,6,8-四氮杂双环[3.3.0]辛烷盐酸盐基高密度含能材料具有重要意义。