Abstract:Sb. -The new title compound is synthesized in quantitative yield from a mixture of TiSb2 and Ti (1100°C, 1 week). Ti2Sb crystallizes in the space group I4/mmm with Z = 6 (single crystal XRD). The structure is a distorted variant of the La2Sb type containing a Ti net comprised of squares and rhombs in a 1:1 ratio. LMTO electronic structure calculations indicate a lowering of the total energy caused by the disorder, the major driving force being the strengthened Ti-Ti interactions along the diagonal of the Ti4 r… Show more
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