A Niobium(V) Arsenate: Nb₉AsO₂₅

Nonaniobium arsenic pentacosaoxide contains 3 × 3 ReO₃-type NbO₆ octahedral columns extended along c. Each column is linked to four crystallographically identical columns through shared edges of NbO₆ octahedra and shared corners of AsO₄ tetrahedra.

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