密度函数理论研究基于三甲亚环化合物的高能量密度材料的结构和能量特性
Xinyue Zhang1, Jiaming Guo1, Xinhua Peng2
1School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China.
Journal of molecular modeling
|February 18, 2026
概括
通过将稳定的聚烯基单元与富含的异环相结合,设计了新的多环能材料. 这些化合物显示出高能量和低灵敏度,在高能耗材料中提供了有前途的应用.
科学领域:
- 材料科学 材料科学 材料科学
- 化学 化学 化学
背景情况:
- 像HNS和TATB这样的传统能量材料提供稳定性,但能量有限.
- 富含的异循环提供高能量密度,但缺乏热稳定性,并且很敏感.
- 需要高能耗材料,将高能耗与增强的安全性和稳定性相结合.
研究的目的:
- 通过通过 imine 桥梁将聚烯基单元与富含的异循环结合起来,设计新的多循环能量结构.
- 从理论上评估这些设计化合物的爆炸性能和安全特性.
- 为开发先进的能源材料提供指导.
主要方法:
- 使用高斯 09 软件进行密度函数理论 (DFT) 计算.
- DFT-B3LYP3方法采用6-31G(d,p) 基准,用于优化和频率分析.
- 使用Multiwfn和VMD软件进行电子/分子微结构的单点能量计算和分析.
主要成果:
- 设计了五种新型的多环能化合物,具有高形成度 (380.82719.52 kJ·mol-1).
- 计算的爆炸速度在78928618 m·s-1之间,超过了HNS和TATB.
- 爆炸压力在27.934.4 GPa之间,具有出色的抗冲击能力 (h50,2637厘米).
结论:
- 与传统材料相比,设计的化合物具有优越的爆炸性能和安全特性.
- 化合物2和3表现出特别有前途的性能,超过了HNS和TATB等基准标准.
- 这项研究提供了宝贵的理论见解和候选结构,用于开发下一代高能,低灵敏的能量材料.
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