Inorganic Chemistry, volume 57, issue 17, pages 10685-10693

Direct Reaction of Nitrogen and Lithium up to 75 GPa: Synthesis of the Li3N, LiN, LiN2, and LiN5 Compounds

Dominique Laniel 1, 2
Gunnar Weck 1
1
 
CEA, DAM, DIF, F-91297 Arpajon, France
2
 
CNES Launcher Directorate, 52 rue J. Hillairet, 75612 Paris CEDEX, France
Publication typeJournal Article
Publication date2018-08-23
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.6
ISSN00201669, 1520510X
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
A wide variety of Li-N compounds are predicted as stable under pressure and associated with various nitrogen anionic moieties. Accordingly, the LiN5 compound was recently synthesized at 45 GPa by the direct reaction of nitrogen and lithium. In this study, we present an experimental investigation of the Li-N binary phase diagram from ambient pressure up to 73.6 GPa. The samples loaded in the diamond anvil cells were constituted of pure lithium pieces embedded in a much greater quantity of molecular nitrogen and, at incremental pressure steps, were laser-heated to produce the thermodynamically favored solid. The following compounds are observed: Li3N, LiN2, LiN as well as LiN5, and their pressure stability domain is disclosed. Two are synthesized for the first time, namely Cmcm LiN and P63/ mmc LiN2. Both are structurally resolved and characterized by X-ray diffraction and Raman spectroscopy measurements. Their high bulk modulus is characteristic of charged N2 dimers.

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Laniel D. et al. Direct Reaction of Nitrogen and Lithium up to 75 GPa: Synthesis of the Li3N, LiN, LiN2, and LiN5 Compounds // Inorganic Chemistry. 2018. Vol. 57. No. 17. pp. 10685-10693.
GOST all authors (up to 50) Copy
Laniel D., Weck G., Loubeyre P. Direct Reaction of Nitrogen and Lithium up to 75 GPa: Synthesis of the Li3N, LiN, LiN2, and LiN5 Compounds // Inorganic Chemistry. 2018. Vol. 57. No. 17. pp. 10685-10693.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.inorgchem.8b01325
UR - https://doi.org/10.1021/acs.inorgchem.8b01325
TI - Direct Reaction of Nitrogen and Lithium up to 75 GPa: Synthesis of the Li3N, LiN, LiN2, and LiN5 Compounds
T2 - Inorganic Chemistry
AU - Weck, Gunnar
AU - Laniel, Dominique
AU - Loubeyre, P.
PY - 2018
DA - 2018/08/23 00:00:00
PB - American Chemical Society (ACS)
SP - 10685-10693
IS - 17
VL - 57
SN - 0020-1669
SN - 1520-510X
ER -
BibTex |
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BibTex Copy
@article{2018_Laniel,
author = {Gunnar Weck and Dominique Laniel and P. Loubeyre},
title = {Direct Reaction of Nitrogen and Lithium up to 75 GPa: Synthesis of the Li3N, LiN, LiN2, and LiN5 Compounds},
journal = {Inorganic Chemistry},
year = {2018},
volume = {57},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/acs.inorgchem.8b01325},
number = {17},
pages = {10685--10693},
doi = {10.1021/acs.inorgchem.8b01325}
}
MLA
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Laniel, Dominique, et al. “Direct Reaction of Nitrogen and Lithium up to 75 GPa: Synthesis of the Li3N, LiN, LiN2, and LiN5 Compounds.” Inorganic Chemistry, vol. 57, no. 17, Aug. 2018, pp. 10685-10693. https://doi.org/10.1021/acs.inorgchem.8b01325.
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