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High‐Energy‐Density Materials: Synthesis and Characterization of N<sub>5</sub><sup>+</sup>[P(N<sub>3</sub>)<sub>6</sub>]<sup>−</sup>, N<sub>5</sub><sup>+</sup> [B(N<sub>3</sub>)<sub>4</sub>]<sup>−</sup>, N<sub>5</sub><sup>+</sup> [HF<sub>2</sub>]<sup>−</sup>⋅<i>n</i> HF, N<sub>5</sub><sup>+</sup> [BF<sub>4</sub>]<sup>−</sup>, N<sub>5</sub><sup>+</sup> [PF<sub>6</sub>]<sup>−</sup>, and N<sub>5</sub><sup>+</sup> [SO<sub>3</sub>F]<sup>−</sup>

Ralf Haiges, Stefan Schneider, Thorsten Schroer, Karl O. Christe

Angewandte Chemie International Edition · 2004 · 134 citations · 36 references

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Abstract

23 nitrogens and only one phosphorus: The N5+ ion is combined with energetic anions in the form of N5+ [P(N3)6]− and N5+ [B(N3)4]− (see scheme), containing 91 and 96 wt %, respectively, of nitrogen. Also, the thermally unstable compound N5HF2⋅n HF is prepared by metathesis from N5SbF6 and CsHF2. Its usefulness as a reagent for the synthesis of new N5+ salts is demonstrated with the preparation of N5PF6, N5BF4, and N5SO3F.

References

36

N5+: A Novel Homoleptic Polynitrogen Ion as a High Energy Density Material

Karl O. Christe, William W. Wilson, Jeffrey A. Sheehy et al. · Angewandte Chemie International Edition · 1999 · 499 citations · Full text

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On a quantitative scale for Lewis acidity and recent progress in polynitrogen chemistry

Karl O. Christe, David A. Dixon, Douglas McLemore et al. · Journal of Fluorine Chemistry · 2000 · 416 citations

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Semiconducting non-molecular nitrogen up to 240 GPa and its low-pressure stability

M. I. Eremets, Russell J. Hemley, Ho-kwang Mao et al. · Nature · 2001 · 350 citations

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Polynitrogen Chemistry. Synthesis, Characterization, and Crystal Structure of Surprisingly Stable Fluoroantimonate Salts of N<sub>5</sub><sup>+</sup>

Ashwani Vij, William W. Wilson, Vandana Vij et al. · Journal of the American Chemical Society · 2001 · 262 citations

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Besides N<sub>2</sub>, What Is the Most Stable Molecule Composed Only of Nitrogen Atoms?

Mikhail N. Glukhovtsev, Haijun Jiao, Paul von Ragué Schleyer · Inorganic Chemistry · 1996 · 251 citations

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