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|Subject: Auwers-Skita Rule|
Posted Dec 5, 2004 by BigAl Keeper of the Glowing Pickle and Monobrows
|Hey, MB, are you there?|
Do you know anything about Auwers-Skita Rule? I'm just writing a lesson on Geometric Isomerism and came across this w.r.t. But-2-enes. Id never come across this, but can understand that cis forms are more labile due to steric strain. However, my edition of Finar states that M.Pt of cis forms are lower than those of trans forms (so far, so good). Then goes on to say that in a pair of cis-trans isomers the cis has HIGHER B.Pt, density, referactice index, than trans forms,..... and has been used to elucidate configurations.
Am I being completely thick and missing something here. I tried googlinmg the Rule, but couldn't find anything worthwhile.
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