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Figure 4
A polyhedral representation of the unit-cell packing in (II[link]), projected on to (010). The NaO7 polyhedra are shown with light shading and the AsO3 groups are represented by AsO3E tetrahedra (dark shading), where the dummy atom E (very dark shading), placed 1.0 Å from As, represents the lone pair of electrons. The catena-arsenite chains propagate towards the viewer.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 60| Part 5| April 2004| Pages m215-m218
doi:10.1107/S0108270104007450
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