Preparation, Crystal Structure and Properties of a New Crystal Form of Diammonium 5,5′‐bistetrazole‐1,1′‐diolate
CHINESE JOURNAL OF CHEMISTRY(2015)
摘要
A new crystal form of diammonium 5,5-bistetrazole-1,1-diolate (1) was prepared by two novel methods and fully characterized by using IR, NMR spectroscopy, elementary analysis, single crystal X-ray crystallography and thermal gravity/differential thermal analysis (TG/DTA). Crystalline 1 was found as monoclinic and space group of P21/c (14). The TG/DTA analysis showed that the decomposition temperature of 1 was 287.8 degrees C with a mass loss of 91.2% in the range of 220-300 degrees C at a heating rate of 5 degrees C/min. The sensitivities test towards impact, friction of 1 indicated that 1 has much lower sensitivities than those of RDX/HMX and is comparable to those of TNT, which suggested that 1 could be used as a good candidate of new insensitive energetic compound.
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关键词
energetic material,diammonium 5,5-bistetrazole-1,1-diolate,crystal form,thermal decomposition,explosive performances
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