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Spontaneous dissociation of xenon tetroxide: phase and structural changes.

Authors
  • Slepkov, Vladimir1
  • Kozlova, Svetlana
  • Gabuda, Svyatoslav
  • 1 Nikolaev Institute of Inorganic Chemistry SB RAS, Lavrentieva Av., 3, Novosibirsk 630090, Russian Federation. [email protected] , (Russia)
Type
Published Article
Journal
The Journal of Physical Chemistry A
Publisher
American Chemical Society
Publication Date
Jul 07, 2011
Volume
115
Issue
26
Pages
7811–7814
Identifiers
DOI: 10.1021/jp2031658
PMID: 21648414
Source
Medline
License
Unknown

Abstract

XeO(4) is a noble gas compound remarkable for its high explosiveness in the crystalline state and spontaneous explosion at melting temperature. Both phenomena are studied by analyzing potential energy surfaces corresponding to elementary dissociation acts. It is shown that a spontaneous explosion of xenon tetroxide can be explained by a phase transition associated with structural T(d) → D(2h) change and be triggered by rearrangement of electron levels due to the Jahn-Teller effect.

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