B. Belan, M. Dzevenko, J. Stępień-Damm, R. Gladyshevskii
{"title":"CRYSTAL STRUCTURE OF THE NEW GERMANIDE Pr3Co2Ge7.36","authors":"B. Belan, M. Dzevenko, J. Stępień-Damm, R. Gladyshevskii","doi":"10.33609/2708-129x.88.11.2022.3-10","DOIUrl":null,"url":null,"abstract":"The structure of Pr3Co2Ge7.36 (Cmmm, a = 4.236 (1), b = 25.994(5), c = 4.272(1) Å, Z = 2) can be considered as a partly disordered derivative of the La3Co2Sn7 type. The Ge positions in the Pr4Ge8 cuboctahedra of the AuCu3-type slabs are conveniently described by two partly occupied sites, one of which is split. The Co and Ge atoms are characterized by square-antiprismatic, cubooctahedral, and trigonal-prismatic coordination.","PeriodicalId":23394,"journal":{"name":"Ukrainian Chemistry Journal","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ukrainian Chemistry Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.33609/2708-129x.88.11.2022.3-10","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 structure of Pr3Co2Ge7.36 (Cmmm, a = 4.236 (1), b = 25.994(5), c = 4.272(1) Å, Z = 2) can be considered as a partly disordered derivative of the La3Co2Sn7 type. The Ge positions in the Pr4Ge8 cuboctahedra of the AuCu3-type slabs are conveniently described by two partly occupied sites, one of which is split. The Co and Ge atoms are characterized by square-antiprismatic, cubooctahedral, and trigonal-prismatic coordination.
Pr3Co2Ge7.36 (Cmmm, a = 4.236 (1)， b = 25.994(5)， c = 4.272(1) Å， Z = 2)的结构可以认为是La3Co2Sn7型的部分无序衍生物。在aucu3型板的Pr4Ge8立方体中，Ge的位置被方便地描述为两个部分占据的位置，其中一个是分裂的。Co和Ge原子具有方-反棱镜配位、三面体配位和三角-棱镜配位的特征。
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