5,5′-二硝胺基-3,3′-联-1,2,4-三唑的晶体结构与热性能

Journal of Functional Materials(2018)

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Abstract
制备和培养了5,5′-二硝胺基-3,3′-联-1,2,4-三唑(DNABT)单晶,采用X射线单晶探射仪测定了晶体结构,该晶体属单斜晶系,空间群为P21/n(14),晶体学参数为a=0.5236(6)nm,b=1.7832(7)nm,c=0.6308(7)nm,β=112.48(2)°,V=5.428(106)nm3,z=2,D=1.788 g/cm3.采用TG-MS技术研究了DNABT的热性能,在热分解峰温为201℃时检测到m/z=30(NO+)、m/z=28(N2+)、m/z=44(N2 O+)、m/z=27(HCN+)等离子峰,在吸热峰温为96.49℃时检测到m/z=47(HNO2+),表明DNABT在失去结晶水的过程中伴随分解过程.
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Key words
energetic materials,5,5′-dinitramino-3,3′-bi[1,2,4-triazole](DNABT),crystal structure,thermal performance
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