Silicon-Silicon Triple Bond Created.

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Offline Supercryptid

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Silicon-Silicon Triple Bond Created.
« on: 13/10/2004 21:17:55 »
http://pubs.acs.org/cen/news/8238/8238notw1.html

It looks like a silicon-based version of an alkyne has been produced. I find it quite strange that the bond angles are bent at 137 degrees rather than being the expected linear value of 180 degrees.
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Offline Ylide

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Re: Silicon-Silicon Triple Bond Created.
« Reply #1 on: 14/10/2004 08:34:11 »
Yeah, that is weird that the angle is not 180.  The p orbitals in the alkyne Si atoms are obviously bound to each other, so maybe the s orbitals are interacting with out-of-plane p orbitals in the adjacent Si atoms?  Purely speculating.  My research advisor for my computational chem project has been doing organic/silicon research since the 70s, I'll run it by him.  



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