Charge of ligand

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Ashley Curtis 2O
Posts: 21
Joined: Wed Sep 21, 2016 2:59 pm

Charge of ligand

Postby Ashley Curtis 2O » Fri Dec 02, 2016 4:13 pm

On question Q5A from the 2015 final, it asks what the charge of the ligand called "corrin-DMB" is, and hints that this can be found by taking the formal charges of each coordinated Nitrogen. In the answer, it says that the top left Nitrogen has a formal charge of -1. How do you get that formal charge?
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Minu Reddy
Posts: 31
Joined: Sat Jul 09, 2016 3:00 am

Re: Charge of ligand

Postby Minu Reddy » Sat Dec 03, 2016 1:31 pm

Dr. Lavelle recently answered this question. But it is based on the concept that that top left nitrogen has two bonds and two lone pairs therefore the formal charge is 5-6=-1.


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