Inversion symmetry in the spin-peierls compound α′-NaV2O5

Auke Meetsma*, Jan L. de Boer, A. Damascelli, J. Jegoudez, A. Revcolevschi, T. T.M. Palstra

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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At room temperature, sodium pentaoxodivanadate, NaV2O5, was found to have the centrosymmetric space group Pmmn. This space group implies the presence of only one kind of V site, in contrast with previous reports [Carpy & Galy (1975). Acta Cryst. B31, 1481-1483] of the non-centrosymmetric P21mn counterpart. This indicates a non-integer valence state of vanadium. Furthermore, this symmetry has consequences for the interpretation of the transition at 34 K, which was ascribed to a spin-Peierls transition of one-dimensional chains of V4+ ions.

Original languageEnglish
Pages (from-to)1558-1561
Number of pages4
JournalActa Crystallographica Section C: Crystal Structure Communications
Issue number11
Publication statusPublished - 15 Nov 1998
Externally publishedYes


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