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why is the carbon cabon double bond flat yet the lead lead double bond is not flat?
lone pair donation into empty p orbital? If so why doesn't this happen for carbon?
1 Answer
- ?Lv 78 years agoFavorite Answer
It's doubly bridged, at least according to the first page of this article:
http://pubs.acs.org/doi/abs/10.1021/ja00162a014
IIRC, the reason bridging occurs with heavier elements is because as the atomic radius increases, the bond between the atoms is progressively affected by electron-electron repulsion of the non-bonding shells around each nucleus. This principle works with single bonds, too.
