期刊
SCIENCE
卷 355, 期 6323, 页码 374-376出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aah3840
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资金
- Priority Academic Program Development of Jiangsu Higher Education Institutions
Pentazole (HN5), an unstable molecular ring comprising five nitrogen atoms, has been of great interest to researchers for the better part of a century. We report the synthesis and characterization of the pentazolate anion stabilized in a (N-5)(6)(H3O)(3)(NH4)(4)Cl salt. The anion was generated by direct cleavage of the C-N bond in a multisubstituted arylpentazole using m-chloroperbenzoic acid and ferrous bisglycinate. The structure was confirmed by single-crystal x-ray diffraction analysis, which highlighted stabilization of the cyclo-N-5(-) ring by chloride, ammonium, and hydronium. Thermal analysis indicated the stability of the salt below 117 degrees C on the basis of thermogravimetry-measured onset decomposition temperature.
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