Pressure-induced structural phase transition of energetic material 4-aminobenzamide

被引：0

作者：

Yan, Tingting ^{[1
]}

Li, Han ^{[1
]}

Xi, Dongyang ^{[1
]}

Sun, Lei ^{[1
]}

Liu, Linan ^{[1
]}

Jin, Dinghan ^{[1
]}

机构：

[1] School of Materials Science and Engineering, Shenyang Jianzhu University, Shenyang

来源：

Chemical Physics Letters | 2025年 / 869卷

基金：

中国国家自然科学基金;

关键词：

Amides; Energetic material; High pressure; Hydrogen bonding; Phase transition;

D O I：

10.1016/j.cplett.2025.142072

中图分类号：

学科分类号：

摘要：

This study investigated the behavior of energetic material 4-aminobenzamide (4-AMBZA; C7H8N2O) under high pressure utilizing Raman spectroscopy. Notable alterations were detected in the Raman spectra within 2.6–7.8 GPa, suggesting 4-AMBZA experiences a phase transition. Continued pressure caused the crystal to show a tendency towards amorphization. When the pressure is released, the amorphization phenomenon persists. Variations of N[sbnd]H bending vibration (amide II), C[sbnd]N stretching vibration (amide III), and C[dbnd]O stretching vibration (amide I) indicate that phase transition arises from the twisting and rearrangement of hydrogen-bonded networks. Hirshfeld surface energy were conducted to analyze intermolecular interactions within 4-AMBZA. © 2025 Elsevier B.V.

引用

共 43 条

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