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首页> 外文期刊>Chemistry: A European journal >Host-guest inclusion compound from nitramine crystals exposed to condensed carbon dioxide
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Host-guest inclusion compound from nitramine crystals exposed to condensed carbon dioxide

机译：来自暴露于冷凝二氧化碳的硝胺晶体的客体-内含物包合物

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摘要

HNIW or CL20 (2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane) is a nitramine, which is considered as the highest energetic molecular compound known to date, therefore, attracting increasing interest in propulsion applications. Additionally, CL20 is an interesting system for fundamental studies, exhibiting several polymorphs, which can behave as host lattices for trapping guest molecules. Herein, a new CL20 structure that contains inserted CO_2 molecules is reported. A combination of Fourier transform infra red (FTIR) spectroscopy, scanning electron microscopy (SEM), single-crystal X-ray diffraction, and thermal analyses (thermogravimetric analysis coupled with mass spectrometry and differential scanning calorimetry) was used to characterize this new material. Guess the guest: A new host-guest inclusion compound has been obtained through the exposure of energetic nitramine (CL20) organic crystals to condensed carbon dioxide (see picture). This new structure of CL20, which contains trapped CO_2 molecules, was characterized by a combination of techniques.
机译：HNIW或CL20（2,4,6,8,10,12-六硝基-2,4,6,8,10,12-六氮杂异纤锌矿型结构烷烃）是硝胺，被认为是迄今为止已知的最高能分子化合物，因此，对推进应用越来越感兴趣。此外，CL20是用于基础研究的有趣系统，具有多个多晶型物，可充当捕获客体分子的宿主晶格。在本文中，报道了包含插入的CO_2分子的新的CL20结构。傅里叶变换红外（FTIR）光谱，扫描电子显微镜（SEM），单晶X射线衍射和热分析（热重分析与质谱分析和差示扫描量热法）结合使用来表征这种新材料。猜客：通过将高能硝胺（CL20）有机晶体暴露于冷凝的二氧化碳中，获得了一种新的客客体包合化合物（见图）。 CL20的这种新结构包含被捕获的CO_2分子，通过多种技术进行了表征。

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