Pi Bonds

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Helen Mejia 1I
Posts: 67
Joined: Fri Sep 28, 2018 12:24 am

Pi Bonds

Postby Helen Mejia 1I » Sat Nov 17, 2018 12:00 pm

Can someone please explain pi bonds?
And also why double bonds have one sigma bond and one pi bond

Hannah Morales 1D
Posts: 31
Joined: Fri Sep 29, 2017 7:06 am

Re: Pi Bonds

Postby Hannah Morales 1D » Sat Nov 17, 2018 1:38 pm

So as the definition states a pi bond is two orbitals, each with 1 e- overlap side-by-side. As a visualization I think of two vertical dumbbells with the orbits clashing together.

As for the double bonds
I just think that as you increase in bonds you have this pattern:

1 bond: 1 sigma bond
Double bond: 1 sigma bond and 1 pi bond
Triple bond: 1 sigma bond and 2 pi bond.

This is because the extra orbitals are so close together ( bond length), making them side by side to overlap and form pi bonds. ( but this is just applying what I know about bonds and I’m not sure if that it is right)

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