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Synthesis and characterization of fluorodinitroamine, FN(NO2)2
Karl O Christe1, William W Wilson, Guillaume Bélanger-Chabot
1Loker Hydrocarbon Research Institute, University of Southern California, Los Angeles, CA 90089-1661 (USA). kchriste@usc.edu.
Angewandte Chemie (International Ed. in English)
|November 26, 2014
Summary
Researchers synthesized the first inorganic fluoronitroamine, fluoro dinitramide (FN(NO2)2). This thermally unstable, energetic compound was prepared via fluorination of the dinitramide anion.
Area of Science:
- Inorganic chemistry
- Energetic materials science
Background:
- Nitrogen-fluorine and nitrogen-nitro compounds are well-established.
- Mixed fluoronitroamines, such as fluoro dinitramide (FN(NO2)2) and difluoro nitramine (F2NNO2), were previously unknown.
Purpose of the Study:
- To synthesize and characterize fluoro dinitramide (FN(NO2)2), the first known inorganic fluoronitroamine.
- To investigate the properties of this novel energetic material.
Main Methods:
- Fluorination of the dinitramide anion using tetrafluoroammonium (NF4+) salts.
- Characterization using multinuclear nuclear magnetic resonance (NMR) and Raman spectroscopy.
Main Results:
- Successful synthesis and characterization of fluoro dinitramide (FN(NO2)2).
- Identification of FN(NO2)2 as a thermally unstable and highly energetic material.
- Demonstration of NF4+ salts as effective fluorinating agents for dinitramide.
Conclusions:
- Fluoro dinitramide (FN(NO2)2) is the first synthesized inorganic fluoronitroamine.
- The compound exhibits significant energetic properties and thermal instability.
- This work opens avenues for exploring other mixed fluoronitroamines.