Time-resolved Raman spectroscopy for shock-driven intramolecular electron redistribution of cyclotrimethylene trinitramine (RDX)

Time-resolved Raman spectroscopy for shock-driven intramolecular electron redistribution of cyclotrimethylene trinitramine (RDX)
复制标题

用于环三亚甲基三硝胺 (RDX) 冲击驱动分子内电子重新分布的时间分辨拉曼光谱

DOI:
10.1002/jrs.5427
复制
发表时间:
2018-07
影响因子:
2.5
通讯作者:
Yanqiang Yang
Yanqiang Yang
中科院分区:
化学3区
文献类型:
--
作者:
Guoyang Yu;Zhaoyang Zheng;Honglin Wu;Yangyang Zeng;Qiang Wu;Duowang Tan;Xianxu Zheng;Yunfei Song;Yanqiang Yang

文献摘要

参考文献

被引文献

相似文献

提出了环三亚甲基三硝胺(RDX)的冲击驱动分子内电子再分布(IER),这将有助于理解冲击压缩下RDX材料的引发和安全机制。激光驱动冲击波产生动态压力,时间分辨拉曼光谱用于探测 RDX 的冲击波响应。利用第一原理计算来识别拉曼模式并确定 RDX 分子中与压力相关的电子密度分布。 RDX 的拉曼峰在冲击载荷下出现蓝移,这是由 IER 引起的。根据计算可以证实,在IER冲击载荷作用下,电子从C-H和N-O键转移到N-N键。我们认为,冲击驱动的 IER 将使一些化学键在冲击条件下更容易断裂。
Shock‐driven intramolecular electron redistribution (IER) of cyclotrimethylene trinitramine (RDX) is proposed, which will be helpful for understanding the initiation and safety mechanisms of RDX materials under shock compressions. Laser‐driven shock wave was performed to generate a dynamic pressure, and time‐resolved Raman spectroscopy was used to probe the shock wave response of RDX. First‐principle calculations were utilized to identify Raman modes and determine a pressure‐dependent electron density distribution in RDX molecules. Raman peaks of RDX have blue shifts under shock loadings, which are caused by IER. According to calculations, it can be confirmed that electrons transfer from C–H and N–O bonds to N–N bonds under shock loadings in IER. We suggest that shock‐driven IER will make some chemical bonds be broken more easily under shock conditions.
DOI: 10.1002/jrs.2708
发表时间: 2011-03
影响因子: 2.5
作者:
Yunfei Song;Xian-xu Zheng;Guoyang Yu;Jun Zhao;Li-lin Jiang;Yuqiang Liu;Bin Yang;Yanqiang Yang
通讯作者: Yunfei Song;Xian-xu Zheng;Guoyang Yu;Jun Zhao;Li-lin Jiang;Yuqiang Liu;Bin Yang;Yanqiang Yang
DOI: 10.1107/s0567740872007046
发表时间: 1972-01-01
期刊: ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL CRYSTALLOGRAPHY AND CRYSTAL CHEMISTRY
影响因子: --
作者:
CHOI, CS;PRINCE, E
通讯作者: PRINCE, E
DOI: 10.1021/jp0681092
发表时间: 2007-03
期刊: The journal of physical chemistry. B
影响因子: --
作者:
Z. Dreger;Y. Gupta
通讯作者: Z. Dreger;Y. Gupta
DOI: 10.1103/physrevb.54.11169
发表时间: 1996-10-15
期刊: PHYSICAL REVIEW B
影响因子: 3.7
作者:
Kresse, G;Furthmuller, J
通讯作者: Furthmuller, J
DOI: 10.1063/1.4906211
发表时间: 2015-01
影响因子: 3.2
作者:
Guoyang Yu;Xian-xu Zheng;Yunfei Song;Yangyang Zeng;Wencan Guo;Jun Zhao;Yanqiang Yang
通讯作者: Guoyang Yu;Xian-xu Zheng;Yunfei Song;Yangyang Zeng;Wencan Guo;Jun Zhao;Yanqiang Yang