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High-Pressure Synthesis of a Pentazolate Salt
Open accessAbstract
The pentazolates, the last all-nitrogen members of the azole series, have been notoriously elusive for the last hundred years despite enormous efforts to make these compounds in either gas or condensed phases. Here, we report a successful synthesis of a solid state compound consisting of isolated pentazolate anions N 5 –, which is achieved by compressing and laser heating cesium azide (CsN 3 ) mixed with N 2 cryogenic liquid in a diamond anvil cell. The experiment was guided by theory, which predicted the transformation of the mixture at high pressures to a new compound, cesium pentazolate salt (CsN 5 ). Electron transfer from Cs atoms to N 5 rings enables both aromaticity in the pentazolates as well as ionic bonding in the CsN 5 crystal. This work provides critical insight into the role of extreme conditions in exploring unusual bonding routes that ultimately lead to the formation of novel high nitrogen content species.
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Cites
Crystal structure prediction using ab initio evolutionary techniques: Principles and applications
Oganov, A. R., & Glass, C. W. (2006) · The Journal of Chemical Physics · doi:10.1063/1.2210932 · Cited by 2,596
Cited by
A series of energetic metal pentazolate hydrates
Xu, Y., Wang, Q., Shen, C., Lin, Q., Wang, P., & Lu, M. (2017) · Nature · doi:10.1038/nature23662 · Cited by 517
Metadata
- Authors
- Steele, B. A., Stavrou, E., Crowhurst, J. C., Zaug, J. M., Prakapenka, V. B., & Oleynik, I. I.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-12-19
- Volume
- 29
- Issue
- 2
- Pages
- 735-741
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2560266622
- Cited by
- 244
- References
- 1
- FWCI
- 16.12
- Type
- journal article
- Language
- en
- Open access
- green
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- Steele, B. A., Stavrou, E., Crowhurst, J. C., Zaug, J. M., Prakapenka, V. B., & Oleynik, I. I. (2017). High-Pressure Synthesis of a Pentazolate Salt. Chemistry of Materials. https://doi.org/10.1021/acs.chemmater.6b04538
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