Nature Chemistry, volume 15, issue 5, pages 641-646
Aromatic hexazine [N6]4− anion featured in the complex structure of the high-pressure potassium nitrogen compound K9N56
Dominique Laniel
1, 2
,
Florian Trybel
3
,
Yuqing Yin
2, 4
,
Timofey Fedotenko
2
,
Saiana Khandarkhaeva
5
,
Andrey Aslandukov
2
,
Georgios Aprilis
6
,
Alexei I Abrikosov
7
,
Talha Bin Masood
7
,
Carlotta Giacobbe
6
,
Eleanor Lawrence Bright
6
,
K. Glazyrin
8
,
Michael Hanfland
6
,
Jonathan Wright
6
,
Ingrid Hotz
7
,
I. A. Abrikosov
3
,
L. Dubrovinsky
4
,
N.A. Dubrovinskaia
2, 3
Publication type: Journal Article
Publication date: 2023-03-06
Journal:
Nature Chemistry
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 21.8
ISSN: 17554330, 17554349
General Chemistry
General Chemical Engineering
Abstract
The recent high-pressure synthesis of pentazolates and the subsequent stabilization of the aromatic [N5]− anion at atmospheric pressure have had an immense impact on nitrogen chemistry. Other aromatic nitrogen species have also been actively sought, including the hexaazabenzene N6 ring. Although a variety of configurations and geometries have been proposed based on ab initio calculations, one that stands out as a likely candidate is the aromatic hexazine anion [N6]4−. Here we present the synthesis of this species, realized in the high-pressure potassium nitrogen compound K9N56 formed at high pressures (46 and 61 GPa) and high temperature (estimated to be above 2,000 K) by direct reaction between nitrogen and KN3 in a laser-heated diamond anvil cell. The complex structure of K9N56—composed of 520 atoms per unit cell—was solved based on synchrotron single-crystal X-ray diffraction and corroborated by density functional theory calculations. The observed hexazine anion [N6]4− is planar and proposed to be aromatic. Aromatic polynitrogen units can display both high stability and high energy content. A hexazine anion has now been identified in a complex compound, K9N56, which is formed at high pressures and temperatures under laser-heating in a diamond anvil cell. The [N6]4− ring is planar and proposed to be aromatic.
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- We do not take into account publications without a DOI.
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Laniel D. et al. Aromatic hexazine [N6]4− anion featured in the complex structure of the high-pressure potassium nitrogen compound K9N56 // Nature Chemistry. 2023. Vol. 15. No. 5. pp. 641-646.
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Laniel D., Trybel F., Yin Y., Fedotenko T., Khandarkhaeva S., Aslandukov A., Aprilis G., Abrikosov A. I., Masood T. B., Giacobbe C., Bright E. L., Glazyrin K., Hanfland M., Wright J., Hotz I., Abrikosov I. A., Dubrovinsky L., Dubrovinskaia N. Aromatic hexazine [N6]4− anion featured in the complex structure of the high-pressure potassium nitrogen compound K9N56 // Nature Chemistry. 2023. Vol. 15. No. 5. pp. 641-646.
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TY - JOUR
DO - 10.1038/s41557-023-01148-7
UR - https://doi.org/10.1038/s41557-023-01148-7
TI - Aromatic hexazine [N6]4− anion featured in the complex structure of the high-pressure potassium nitrogen compound K9N56
T2 - Nature Chemistry
AU - Laniel, Dominique
AU - Trybel, Florian
AU - Yin, Yuqing
AU - Fedotenko, Timofey
AU - Khandarkhaeva, Saiana
AU - Aslandukov, Andrey
AU - Aprilis, Georgios
AU - Abrikosov, Alexei I
AU - Masood, Talha Bin
AU - Giacobbe, Carlotta
AU - Bright, Eleanor Lawrence
AU - Glazyrin, K.
AU - Hanfland, Michael
AU - Wright, Jonathan
AU - Hotz, Ingrid
AU - Abrikosov, I. A.
AU - Dubrovinsky, L.
AU - Dubrovinskaia, N.A.
PY - 2023
DA - 2023/03/06 00:00:00
PB - Springer Nature
SP - 641-646
IS - 5
VL - 15
SN - 1755-4330
SN - 1755-4349
ER -
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@article{2023_Laniel,
author = {Dominique Laniel and Florian Trybel and Yuqing Yin and Timofey Fedotenko and Saiana Khandarkhaeva and Andrey Aslandukov and Georgios Aprilis and Alexei I Abrikosov and Talha Bin Masood and Carlotta Giacobbe and Eleanor Lawrence Bright and K. Glazyrin and Michael Hanfland and Jonathan Wright and Ingrid Hotz and I. A. Abrikosov and L. Dubrovinsky and N.A. Dubrovinskaia},
title = {Aromatic hexazine [N6]4− anion featured in the complex structure of the high-pressure potassium nitrogen compound K9N56},
journal = {Nature Chemistry},
year = {2023},
volume = {15},
publisher = {Springer Nature},
month = {mar},
url = {https://doi.org/10.1038/s41557-023-01148-7},
number = {5},
pages = {641--646},
doi = {10.1038/s41557-023-01148-7}
}
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Laniel, Dominique, et al. “Aromatic hexazine [N6]4− anion featured in the complex structure of the high-pressure potassium nitrogen compound K9N56.” Nature Chemistry, vol. 15, no. 5, Mar. 2023, pp. 641-646. https://doi.org/10.1038/s41557-023-01148-7.