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Acta Cryst. (2004). E60, i58-i60 [ doi:10.1107/S1600536804005689 ]
Abstract: Langbeinite-type Ba3V4(PO4)6 has been crystallized from a stoichiometric melt starting from Ba(PO3)2 and V2O3. The crystal structure has been refined from single-crystal X-ray diffraction data. It consists of a vanadato(III)-phosphate network [V4(PO4)6]6-, which shows some resemblance to the NASICON structure type. A new method is presented for the visualization of this structural relationship. The single-crystal electronic spectrum of yellow-green Ba3V4(PO4)6 shows the absorption bands typical for the octahedral chromophore [VIIIO6].
Online 20 March 2004
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