Synthesis, crystal structure and phase transition of a Xe-N2 compound at high pressure: experimental indication of orbital interaction between xenon and nitrogen

K Niwa; F Matsuzaki; M Hasegawa

doi:10.1039/c6cp06552j

Synthesis, crystal structure and phase transition of a Xe-N₂ compound at high pressure: experimental indication of orbital interaction between xenon and nitrogen

Phys Chem Chem Phys. 2016 Dec 21;19(1):59-63. doi: 10.1039/c6cp06552j.

Authors

K Niwa¹, F Matsuzaki¹, M Hasegawa¹

Affiliation

¹ Department of Crystalline Materials Science, Nagoya University Furo-cho, Chikusa-ku, Nagoya Aichi 464-8603, Japan.

PMID: 27942633
DOI: 10.1039/c6cp06552j

Abstract

The van der Waals compound Xe(N₂)₂ with a C15 Laves structure was successfully synthesised at pressures greater than 4.4 GPa. We found that, at 10 GPa, the structure reversibly transforms from a cubic to a tetragonal phase. Further compression results in changes of Xe-N compound, which could result in the enhancement of orbital interactions between the xenon and nitrogen atoms.