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자연과학대학
화학·나노과학전공
Journal papers
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Sr2MnSb2: A new ternary transition metal zintl phase
Title
Sr2MnSb2: A new ternary transition metal zintl phase
Authors
Park S.-M.
;
Kim S.-J.
;
Kanatzidis M.G.
Ewha Authors
김성진
SCOPUS Author ID
김성진
Issue Date
2005
Journal Title
Inorganic Chemistry
ISSN
0020-1669
Citation
Inorganic Chemistry vol. 44, no. 14, pp. 4979 - 4982
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
A transition metal-containing Zintl phase, Sr2MnSb2, was prepared from a stoichiometric combination reaction of the elements in Sn flux, and its structure was determined by single-crystal X-ray diffraction methods. The compound crystallizes in the orthorhombic space group Pnma with a = 15.936(3) Å, b = 14.498(3) Å, c = 8.2646(17) Å, and Z = 12. The structure of Sr2MnSb2 is composed of corrugated layers of corner- and edge-shared MnSb4 tetrahedra. The basic building unit of the layer is a [Mn3Sb6]12- cluster composed of three edge-shared MnSb4 tetrahedra. These trinuclear clusters share four Sb vertexes to form a layer with cavities. Sr2+ cations are located at the inter-and intralayer space. Magnetic susceptibility measurements indicate an effective magnetic moment of 4.85 μB, a value smaller than what would be expected from Mn2+ ions. © 2005 American Chemical Society.
DOI
10.1021/ic048252e
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