Energetic Bis(3,5-dinitro‑1H‑1,2,4-triazolyl)dihydro- and dichloroborates and Bis(5-nitro‑2H‑tetrazolyl)‑, Bis(5-(trinitromethyl)‑2H‑tetrazolyl)‑, and Bis(5-(fluorodinitromethyl)‑2H‑tetrazolyl)dihydroborate
journal contributionposted on 19.02.2016 by Ralf Haiges, C. Bigler Jones, Karl O. Christe
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Salts of bis(3,5-dinitro-1H-1,2,4-triazolyl)dihydro- and dichloroborate and bis(5-nitro-2H-tetrazolyl)-, bis(5-trinitromethyl-2H-tetrazolyl)-, and bis(5-fluorodinitromethyl-2H-tetrazolyl)dihydroborate anions have been synthesized by the treatment of hydroborates or chloroborates with the corresponding nitroazoles or nitroazolates, respectively. Alkali-metal salts of these dihydroborates are energetic and can be shock-sensitive, while salts with larger organic cations, such as NMe4+, PPh4+, or (Ph3P)2N+, are less sensitive. Poly(nitroazolyl)borates are promising candidates for a new class of environmentally benign energetic materials and high-oxygen carriers.