Understanding the Stability of Highly Nitrated Sensitive Pyrazole IsomersClick to copy article linkArticle link copied!
- Jatinder SinghJatinder SinghDepartment of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, United StatesMore by Jatinder Singh
- Vikranth ThaltiriVikranth ThaltiriDepartment of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, United StatesMore by Vikranth Thaltiri
- Richard J. StaplesRichard J. StaplesDepartment of Chemistry, Michigan State University, East Lansing, Michigan 48824, United StatesMore by Richard J. Staples
- Jean’ne M. Shreeve*Jean’ne M. Shreeve*Email: [email protected]. Fax: (+1) 208-885-5173.Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, United StatesMore by Jean’ne M. Shreeve
Abstract

Two energetic isomers of chemically unstable 3,5-bis(dinitromethyl)-4-nitro-1H-pyrazole (2), namely, 4-methyl-3,5-dinitro-1-(trinitromethyl)-1H-pyrazole (4) and 5-methyl-3,4-dinitro-1-(trinitromethyl)-1H-pyrazole (6), each containing five nitro groups and having the same chemical composition, exhibit major differences in their physiochemical properties. These include density, enthalpy of formation, temperature of decomposition, and sensitivity to impact and friction. Notably, both isomer 4 and isomer 6 demonstrate superior thermal stability compared to isomer 2, making them promising candidates as safer energetic materials.
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, 10588-10591. https://doi.org/10.1039/D4CC03260H
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