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K 13 CoSn 17– x ( x = 0.1): A New Ternary Phase Containing Cobalt Centered [Sn 9 ] Cluster Synthesized via High‐Temperature Reaction
Author(s) -
Yue ChengYang,
Wang MingFeng,
Yuan ZhuangDong,
Zhou FangXia,
Zhang HuiPing,
Lei XiaoWu
Publication year - 2013
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201300181
Subject(s) - orthorhombic crystal system , crystallography , ternary operation , square antiprism , cobalt , crystal structure , laves phase , materials science , phase (matter) , cluster (spacecraft) , x ray crystallography , intermetallic , chemistry , diffraction , lanthanide , metallurgy , alloy , physics , ion , organic chemistry , computer science , programming language , optics
A new ternary potassium cobalt stannide, K 13 CoSn 17– x ( x = 0.1), was obtained by reacting the mixture of the corresponding pure elements at high temperature, and structurally characterized by single‐crystal X‐ray diffraction study. K 13 CoSn 17– x ( x = 0.1) crystallizes in the orthorhombic space group Pbca (No. 61) with a = 26.2799(7) Å, b = 24.1541(6) Å, c = 29.8839(6) Å, V = 18969.3(8) Å 3 , and Z = 16. Its structure contains isolated [CoSn 9 ] monocapped square antiprism and [Sn 4 ] tetrahedron in the ratio 1:2, forming a hierarchical variant of Laves phase MgZn 2 . The structural relation between the title compound with MgZn 2 as well as other binary stannides is also discussed.
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