B. Belan, M. Dzevenko, J. Stępień-Damm, R. Gladyshevskii
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引用次数: 0
摘要
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。
CRYSTAL STRUCTURE OF THE NEW GERMANIDE Pr3Co2Ge7.36
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.
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