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Antimonide
View on WikipediaAntimonides (sometimes called stibnides or stibinides) are compounds of antimony with more electropositive elements. The antimonide ion is Sb3− but the term refers also to any anionic derivative of antimony.[1]
Antimonides are often prepared by heating the elements.[2] Alternatively, sodium electride in ammonia dissolves antimony to give an antimonide upon evaporation.[3]
The reduction of antimony leads to alkali metal antimonides of various types, depending on stoichiometry.[4] Known antimonides include isolated Sb3− ions (in Li3Sb and Na3Sb). Other motifs include dumbbells Sb4−2 in Cs4Sb2, discrete antimony chains, for example, Sb8−6 in SrSb3, infinite spirals (Sb−)n (in NaSb, RbSb), planar four-membered rings Sb2−4, Sb3−7 cages in Li3Sb7,[5] and net shaped anions Sb2−3 in BaSb3.
Some antimonides are semiconductors, e.g. those of the boron group such as indium antimonide. Being reducing, many antimonides are decomposed by oxygen.
See also
[edit]References
[edit]- ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 554. doi:10.1016/C2009-0-30414-6. ISBN 978-0-08-037941-8.
- ^ E. Dönges (1963). "Phosphides, Arsenides, Antimonides and Bismuthides". In G. Brauer (ed.). Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 2pages=985. NY, NY: Academic Press.
- ^ Ellis, John E. (2006-04-17). "Adventures with Substances Containing Metals in Negative Oxidation States". Inorganic Chemistry. 45 (8): 3167–3186. doi:10.1021/ic052110i. ISSN 0020-1669.
- ^ King, R. Bruce (2005). Encyclopedia of Inorganic Chemistry, Second Edition (2nd ed.). Wiley. p. 211. ISBN 9780470860786.
- ^ Beswick, Michael A.; Choi, Nick; Harmer, Christopher N.; Hopkins, Alexander D.; McPartlin, Mary; Wright, Dominic S. (1998). "Low-Temperature Synthesis of Zintl Compounds with a Single-Source Molecular Precursor". Science. 281 (5382): 1500–1501. doi:10.1126/science.281.5382.1500. PMID 9727974.
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