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Summary
Compounds with double and triple bonds between carbon atoms abound. In contrast, silicon--the element most closely related to carbon--only reluctantly forms double bonds and, until this week, no compound with a triple bond involving silicon had been synthesized. Other elements outside the first row of the periodic table also rarely form multiple bonds. In his Perspective, West reviews the history of this field and highlights the report by Sekiguchi et al . of the first compound with a silicon-silicon triple bond.
