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Nature Communications, volume 10, issue 1, publication number 4515

Synthesis of magnesium-nitrogen salts of polynitrogen anions

Publication typeJournal Article
Publication date2019-10-04
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
The synthesis of polynitrogen compounds is of fundamental importance due to their potential as environmentally-friendly high energy density materials. Attesting to the intrinsic difficulties related to their formation, only three polynitrogen ions, bulk stabilized as salts, are known. Here, magnesium and molecular nitrogen are compressed to about 50 GPa and laser-heated, producing two chemically simple salts of polynitrogen anions, MgN4 and Mg2N4. Single-crystal X-ray diffraction reveals infinite anionic polythiazyl-like 1D N-N chains in the crystal structure of MgN4 and cis-tetranitrogen N44− units in the two isosymmetric polymorphs of Mg2N4. The cis-tetranitrogen units are found to be recoverable at atmospheric pressure. Our results respond to the quest for polynitrogen entities stable at ambient conditions, reveal the potential of employing high pressures in their synthesis and enrich the nitrogen chemistry through the discovery of other nitrogen species, which provides further possibilities to design improved polynitrogen arrangements. Polynitrogen compounds are potentially promising high energy density materials, but are difficult to synthesize due to their instability. Here, the authors observe the formation, under high pressure, of a Mg2N4 magnesium–tetranitrogen salt which remains stable at ambient conditions.

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GOST Copy
Laniel D. et al. Synthesis of magnesium-nitrogen salts of polynitrogen anions // Nature Communications. 2019. Vol. 10. No. 1. 4515
GOST all authors (up to 50) Copy
Laniel D., Winkler B., Koemets E., Fedotenko T., Bykov M., Bykova E., Dubrovinsky L., Dubrovinskaia N. Synthesis of magnesium-nitrogen salts of polynitrogen anions // Nature Communications. 2019. Vol. 10. No. 1. 4515
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/s41467-019-12530-w
UR - https://doi.org/10.1038/s41467-019-12530-w
TI - Synthesis of magnesium-nitrogen salts of polynitrogen anions
T2 - Nature Communications
AU - Laniel, Dominique
AU - Winkler, Bjoern
AU - Koemets, Egor
AU - Fedotenko, Timofey
AU - Bykov, Maxim
AU - Bykova, E.
AU - Dubrovinsky, L.
AU - Dubrovinskaia, N.A.
PY - 2019
DA - 2019/10/04 00:00:00
PB - Springer Nature
IS - 1
VL - 10
PMID - 31586062
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2019_Laniel,
author = {Dominique Laniel and Bjoern Winkler and Egor Koemets and Timofey Fedotenko and Maxim Bykov and E. Bykova and L. Dubrovinsky and N.A. Dubrovinskaia},
title = {Synthesis of magnesium-nitrogen salts of polynitrogen anions},
journal = {Nature Communications},
year = {2019},
volume = {10},
publisher = {Springer Nature},
month = {oct},
url = {https://doi.org/10.1038/s41467-019-12530-w},
number = {1},
doi = {10.1038/s41467-019-12530-w}
}
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