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Acta Cryst. (2006). E62, i44-i46 [ doi:10.1107/S1600536806004302 ]
Abstract: The asymmetric unit of disodium peroxodisulfate 2Na+·S2O82- consists of a single Na+ cation and half of a peroxodisulfate dianion, the latter lying across a crystallographic inversion centre. The crystal structure is isostructural with that of potassium peroxodisulfate and it is composed of layers of molecules, partitioned by the Na+ cations, parallel to the (0
1) plane of the triclinic cell. Neighbouring molecules within each layer are bridged end-to-end by pairs of short S
O intermolecular contacts [SO = 3.074 (2) Å].
Online 8 February 2006
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