基于3-羧基-5-氨基-1,2,4-三唑的Cd(Ⅱ)配合物的合成、晶体结构及催化性能
Synthesis, Crystal Structure, and Catalytic Performance of a Cd(Ⅱ) Complex Based on 3-Carboxyl-5-ammino-1,2,4-triazole
作者单位E-mail
高学智 宁夏大学煤炭高效利用与绿色化工国家重点实验室, 银川 750021
宁夏大学化学化工学院, 银川 750021 
 
宋欢 宁夏大学煤炭高效利用与绿色化工国家重点实验室, 银川 750021
宁夏大学化学化工学院, 银川 750021 
 
李冰 宁夏大学煤炭高效利用与绿色化工国家重点实验室, 银川 750021
宁夏大学化学化工学院, 银川 750021 
nxdaxue@126.com 
王睿 宁夏大学煤炭高效利用与绿色化工国家重点实验室, 银川 750021
宁夏大学化学化工学院, 银川 750021 
 
朱小双 宁夏大学煤炭高效利用与绿色化工国家重点实验室, 银川 750021
宁夏大学化学化工学院, 银川 750021 
 
田晓燕 宁夏大学煤炭高效利用与绿色化工国家重点实验室, 银川 750021
宁夏大学化学化工学院, 银川 750021 
 
摘要: 三唑类含能配合物在含能材料领域受到广泛关注。利用溶液法合成了一例含能配合物[Cd (Hatzc)2(H2O)](LH1),其中H2atzc=3-羧基-5-氨基-1,2,4-三唑,并用X射线单晶衍射、元素分析、红外光谱等手段进行表征。单晶结构分析结果表明LH1属于单斜晶系,空间群为P21/n,呈一维链状结构,通过氢键相互作用形成三维超分子结构。LH1的爆速(D=10.4 km·s-1)、爆压(p=55.2 GPa)、爆轰能量(16.51 kJ·g-1)和密度(2.363 g·cm-3)均优于大多数含能配合物。撞击感度(>40 J)和摩擦感度(>360 N)表明LH1对撞击和摩擦的敏感性较低。高氯酸铵(AP)的催化热分解结果表明,在LH1的催化作用下,AP的高温分解峰提前38℃,释放的热量在较短的时间增加0.46 kJ·g-1,说明LH1对AP热分解具有良好的催化效果。
关键词: 含能配合物  3-羧基-5-氨基-1,2,4-三唑  热分解  高氯酸铵
基金项目: 宁夏自然科学基金(No.2022AAC03107)和国家自然科学基金(No.21763022)资助。
Abstract: Triazole-derived energetic complexes have paid significant attention in the field of energetic materials. An energetic complex[Cd(Hatzc)2(H2O)] (LH1) (H2atzc=3-carboxyl-5-amino-1,2,4-triazole) was synthesized and fully characterized by single crystal X-ray diffraction, elemental analysis, infrared spectral analysis, and thermogravimetric analysis. LH1 belongs to the monoclinic system, space group P21/n. The structural analyses illustrate that LH1 exhibits a 1D chain, which is linked by hydrogen-bonding interactions to give a 3D supramolecular architecture. Complex LH1 had high detonation velocity (D=10.4 km·s-1), detonation pressure (p=55.2 GPa), energy of detonation (16.51 kJ·g-1), and density (2.363 g·cm-3), which were superior to most of the energetic compounds. The impact sensitivity (>40 J) and friction sensitivity (>360 N) reveal that LH1 is less sensitive to impact and friction. The results of the catalytic thermal decomposition of ammonium perchlorate (AP) show that LH1 decreased the higher thermal decomposition temperature of AP by 38℃ and increased the exothermic quantity of decomposition by 0.46 kJ·g-1 in a short time, which showed a good catalytic effect on the thermal decomposition of AP.
Keywords: energetic complex  3-carboxyl-5-amino-1,2,4-triazole  thermal decomposition  ammonium perchlorate
投稿时间:2021-12-23 修订日期:2022-06-28
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高学智,宋欢,李冰,王睿,朱小双,田晓燕.基于3-羧基-5-氨基-1,2,4-三唑的Cd(Ⅱ)配合物的合成、晶体结构及催化性能[J].无机化学学报,2022,38(9):1808-1816.
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