## Sigma vs. Pi

SydBenedict2H
Posts: 60
Joined: Wed Nov 08, 2017 3:00 am

### Sigma vs. Pi

Im having trouble being able to easily identify when a bond is a sigma bond vs. when its a pi bond. Does anyone have any quick and easy tips? I feel like its super simple and im just way over complicating it.

Kevin Tang 4L
Posts: 83
Joined: Fri Sep 28, 2018 12:28 am

### Re: Sigma vs. Pi

The first bond you draw is sigma, any additional bonds are pi.

Single bonds are always sigma bonds. Double bonds have one sigma and one pi bond. Triple bonds have one sigma and two pi bonds.

Hope this helps and correct me if im wrong. Thanks.

105114680
Posts: 60
Joined: Fri Sep 28, 2018 12:23 am

### Re: Sigma vs. Pi

A single bond is made up of one sigma bond. A double bond is made up of one sigma bond and one pi bond. A triple bond is made up of one sigma bond and two pi bonds. All bonds will have at least one sigma bond and then depending on whether it is a single, double, or triple bond it will have either no pi bonds, one pi bond, or two pi bonds.

Kyither Min 2K
Posts: 60
Joined: Wed Oct 03, 2018 12:15 am

### Re: Sigma vs. Pi

A single bond will only have 1 sigma bond. The very first bond made is a sigma bond and each additional bond is a pi bond. I like to count the number of bonds and save one for sigma and the rest as pi. So amount of pi bonds are # of bonds - 1.

Simran Athwal-Dis 3A
Posts: 35
Joined: Fri Sep 28, 2018 12:24 am

### Re: Sigma vs. Pi

Hello there, how do you find out how many sigma and pi bonds are in a molecule?

Simran Athwal-Dis 3A
Posts: 35
Joined: Fri Sep 28, 2018 12:24 am

### Re: Sigma vs. Pi

Is it true that for every double bond, there is one pi bond and for every triple bond, there are 2 pi bonds?

Yiting_Gong_4L
Posts: 69
Joined: Fri Sep 28, 2018 12:25 am

### Re: Sigma vs. Pi

Single Bond: 1 sigma bond
Double Bond: 1 sigma bond + 1 pi bond
Triple bond: 1 sigma bond + 2 pi bonds

404982241
Posts: 47
Joined: Fri Sep 28, 2018 12:17 am

### Re: Sigma vs. Pi

the first bond is always a sigma and the next two after that are pi bonds

405021651
Posts: 46
Joined: Tue Nov 14, 2017 3:03 am

### Re: Sigma vs. Pi

The first bond is always a sigma and any bond thereafter is a pi bond