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含能材料  2012 

4-氨基-1,2,4-三唑-NTO盐的晶体结构及性能

DOI: 10.3969/j.issn.1006-9941.2012.01.009

Keywords: 物理化学,4-氨基-1,2,4-三唑,3-硝基-1,2,4-三唑-5-酮（NTO）,晶体结构,性能,结构化学

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Abstract:

用X射线单晶衍射法测定了4-氨基-1,2,4-三唑（4-AT）与3-硝基-1,2,4-三唑-5-酮（NTO）制得的盐（AT）（NTO）的单晶结构。结果表明：该晶体为单斜晶系，属P21/c空间群，晶体学参数a=7.071(2)?，b=6.361(3)?，c=18.792(7)?；β=96.43(3)°；V=839.9(5)?3；Z=4；Dc=1.694g·cm-3；μ=0.145/mm；F（000）=440。在（AT）（NTO）晶体中，4-AT阳离子上所有的原子和NTO阴离子上所有的原子均在以各自三唑环为基础的一个平面上，两平面夹角为7.6°。由真空安定性（VST）、撞击感度、摩擦感度和静电火花感度试验所得的真空放气量、特性落高、爆炸概率、50%发火电压、50%发火能分别为0.28mL·g-1（100℃/48h），124.7cm，0%,12.841kV和2.515J，表明，（AT）（NTO）对热是稳定的，对撞击、摩擦和静电火花是不敏感的。

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