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Preparation of 6-aminocyclohepta-2,4-dien-1-one Derivatives via Tricarbonyltroponeiron
Published on: August 12, 2019
The Synthesis, Structure, and Properties of a Polynitro Energetic Complex with a Hexaamminecobalt(III) Ion as a
Zhiwei He1, Feng Yang1, Xianfeng Wang2
1School of Chemical and Blasting Engineering, Anhui University of Science and Technology, Huainan 232001, China.
None:
Energetic complexes with multi-component architectures represent a frontier in contemporary energetic materials research. In this work, we report a novel high-energy complex-bis(5-nitro-3-(dinitromethyl)-1,2,4-triazole)-hexaamminecobalt(III) [[Co(NH3)6](HNTD)(NTD)·H2O]-that is synthesized using the oxygen-rich energetic compound 5-nitro-3-(trinitromethyl)-1,2,4-triazole (HNTF) as a precursor. Compared with metallic H2NTD salts, [Co(NH3)6](HNTD)(NTD)·H2O exhibits a higher density (ρ = 1.886 g cm-3) and unrivaled energy properties (Vd = 8030 m s-1 and P = 29.2 GPa). The formation of a dense hydrogen-bonding network-mediated by ammonium groups in the [Co(NH3)6]3+ core and nitro groups of HNTD- and NTD2--significantly dampens the mechanical sensitivity (IS = 10 J and FS = 140 N). These combined attributes establish [Co(NH3)6](HNTD)(NTD)·H2O as a promising high-energy-density material (HEDM), offering critical insights for the design of next-generation energetic complexes.
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