Mild Synthesis and Structural Characterization of a Novel Vanadyl Selenite-Hydrogen Selenite Phase, Na[VO(SeO3)(HSeO3)]·1,5H2O
作者： Stefano Canossa , Giovanni Predieri , Claudia Graiff
DOI: 10.3390/CRYST8050215
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摘要: Single crystals of Na[VO(SeO3)(HSeO3)]·1,5H2O have been prepared by solvent slow evaporation from an equimolar aqueous mixture sodium selenite and vanadyl sulfate. The overall arrangement consists VO6 octahedra, [SeO3]2− [HSeO3]− anions forming a strong backbone with channel-like voids, while cations participate in the framework, ensuring charge balance. crystal packing material features channels star-shaped section showing mean aperture 6.10 A oxygen atoms V=O moieties pointing towards interior cavities. Their dimensions are narrowest reported until now vanadium compounds. Disordered occupancy factor 0.5 found cavities together disordered water molecules, interacting each other via hydrogen bonds.
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