Journal
INORGANIC CHEMISTRY FRONTIERS
Volume 10, Issue 5, Pages 1475-1484Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2qi02679a
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Based on the ideas of coordination and design chemistry, a new strategy was proposed to overcome the limitation of the number of oxidizing acid radicals in energetic coordination compounds. A multi-functional type energetic coordination compound, Cu(HAMPZCA)(2)(ClO4)(4)center dot 2H(2)O (ECCs-1), was designed and synthesized. ECCs-1 exhibited a double-type ionic-salt coordination compound structure, with more ClO4- ions, higher OB value, and excellent detonation performance.
Based on the ideas of coordination and design chemistry, we propose a new strategy to break through the limitation of the number of oxidizing acid radicals in energetic coordination compounds by preparing multi-functional type energetic coordination compounds. Therefore, we creatively designed and prepared the ligand 5-amino-1-methyl-pyrazole-4-carbohydrazide (AMPZCA) and complex Cu(HAMPZCA)(2)(ClO4)(4)center dot 2H(2)O (ECCs-1). As expected, the structure of ECCs-1 was a double-type ionic-salt coordination compound, which was proved by IR, EA, and single-crystal XRD. Because of the special structural combination, ECCs-1 has more ClO4-, higher OB value, and excellent detonation performance (D = 7700 m s(-1), P = 27.9 GPa). In addition, ECCs-1 exhibits acceptable mechanical sensitivity due to the introduction of methyl groups in the ligand (IS = 10 J, FS = 40 N). Laser initiation and detonation initiation tests show that ECCs-1 has the potential to play a dual role as both primary and secondary explosives.
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