Crystal structure of Na4(As2O5)(H2O)0.5 and a survey of the pyroarsenite anion, (As2O5)4−

Wolflehner, T.; Weil, M.

doi:10.1107/S2056989026002859

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 3
The crystal structure of Na₄(As₂O₅)(H₂O)_0.5 in a projection along [0 $[\overline{1}]$ 0]. The (As₂O₅)^4– anion is given in polyhedral representation; displacement ellipsoids are as in Fig. 1

. Na—O bonds < 3.0 Å are displayed, and O—H⋯O hydrogen-bonding interactions are shown as yellow lines.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 82| Part 4| April 2026| Pages 379-383

https://doi.org/10.1107/S2056989026002859

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