Benjamin Knies , Ingo Hartenbach , M. Weil (Editor)
{"title":"Crystal structure of defect scheelite-type Nd2/3[WO4]","authors":"Benjamin Knies , Ingo Hartenbach , M. Weil (Editor)","doi":"10.1107/S2414314624001755","DOIUrl":null,"url":null,"abstract":"<div><p>The crystal structure of defect-scheelite type Nd<sub>2/3</sub>[WO<sub>4</sub>] consists of [WO<sub>4</sub>]<sup>2−</sup> tetrahedra and trigonal [NdO<sub>8</sub>]<sup>13–</sup> dodecahedra.</p></div><div><p>Neodymium(III) <em>ortho</em>-oxidotungstate(VI) was synthesized as a side-product in an unsuccessful synthesis attempt at fluoride derivatives of neodymium tungstate in fused silica ampoules, using neodymium(III) oxide, neodymium(III) fluoride and tungsten trioxide. Violet, platelet-shaped single crystals of the title compound emerged of the bulk, which crystallize in the defect scheelite type with a trigonal dodecahedral coordination of oxide anions around the Nd<sup>3+</sup> cations and the hexavalent tungsten cations situated in the centers of oxide tetrahedra. <span><figure><span><img><ol><li><span>Download : <span>Download high-res image (168KB)</span></span></li><li><span>Download : <span>Download full-size image</span></span></li></ol></span></figure></span> </p></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 3","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IUCrData","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S2414314624000166","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The crystal structure of defect-scheelite type Nd2/3[WO4] consists of [WO4]2− tetrahedra and trigonal [NdO8]13– dodecahedra.
Neodymium(III) ortho-oxidotungstate(VI) was synthesized as a side-product in an unsuccessful synthesis attempt at fluoride derivatives of neodymium tungstate in fused silica ampoules, using neodymium(III) oxide, neodymium(III) fluoride and tungsten trioxide. Violet, platelet-shaped single crystals of the title compound emerged of the bulk, which crystallize in the defect scheelite type with a trigonal dodecahedral coordination of oxide anions around the Nd3+ cations and the hexavalent tungsten cations situated in the centers of oxide tetrahedra.
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