Acta Crystallographica Section E

Structure Reports Online

Volume 64, Part 8 (August 2008)

inorganic compounds

 

Zr₃NiSb₇: a new antimony-enriched ZrSb₂ derivative

V. Romaka, A. Tkachuk and L. Romaka

Abstract: Single crystals of trizirconium nickel heptaantimonide were synthesized from the constituent elements by arc-melting. The compound crystallizes in a unique structure type and belongs to the family of two-layer structures. All crystallographically unique atoms (3 × Zr, 1 × Ni and 7 × Sb) are located at sites with m symmetry. The structure contains `Zr<sub>2</sub>Ni<sub>2</sub>Sb<sub>5</sub>' and `Zr₄Sb₉' fragments and might be described as a new ZrSb₂ derivative with a high Sb content.

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