9 posts • Page 1 of 1
I don't think pi bonds can rotate without that pi bond breaking because a pi bond is formed in a parallel fashion, so rotating it would destroy that parallel orientation that we see as a characteristic of pi bonds.
In the textbook it was mentioned that for a molecule to rotate about the double bond, the π-bond would need to first break and then re-form. So, I believe that this is the only way that the central atom can rotate with π-bonds.
Pi bonds are characterized by their side-to-side overlap, which results in extreme rigidity. I don't know of any exceptions to the fact that attempting to move pi-bonded atoms independently of each other would cause the bond to break.
With pi bonds, I believe individual atoms cannot rotate for the reasons stated above. However, the entire molecule as a whole (or parts connected by pi bonds) can rotate, but have to do so together or else the pi bond(s) will break.
Who is online
Users browsing this forum: No registered users and 1 guest