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Sodium scandium arsenate,Na3Sc2(AsO4)3 |
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| Authors: | William T A Harrison Mark L F Phillips |
| Abstract: | Nasicon-type trisodium discandium tris(arsenate), Na3Sc2(AsO4)3, contains a polyhedral network of vertex-sharing octahedral ScO6 and tetrahedral AsO4 units dav(Sc—O) = 2.089 (2) Å and dav(As—O) = 1.672 (2) Å] encapsulating two types of Na+ species. The sodium site occupancies are similar to those of the equivalent species in β-Na3Sc2(PO4)3. |
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