Chemical Forums

Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: JustSpot on October 26, 2020, 10:20:30 PM

Title: Basicity of Ligands
Post by: JustSpot on October 26, 2020, 10:20:30 PM

When is the basicity of a molecule not a good indicator of whether it might be a good ligand?

Thanks in advance!

Title: Re: Basicity of Ligands
Post by: Babcock_Hall on October 27, 2020, 10:15:35 AM

You have to show your attempt before we can help you.  This is a Forum Rule (see red link).

Title: Re: Basicity of Ligands
Post by: JustSpot on October 28, 2020, 02:06:16 AM

Ah sorry, I didn't see that. My thinking is that the basicity of the a molecule doesn't tell you about the quality of the ligand when it is a chelating ligand since this would give extra stability to the complex that may not be accounted for in the pH of the ligand.

Thanks.

Title: Re: Basicity of Ligands
Post by: Babcock_Hall on October 28, 2020, 08:50:54 AM

I am not an inorganic or organometallic chemist, but there is one kind of stabilization involving orbitals that I can think of, that a metal might have that a proton does not have.  Maybe that is what you mean.

Title: Re: Basicity of Ligands
Post by: Corribus on October 28, 2020, 10:24:28 AM

Were it me answering the question, my mind would be going in the direction of steric effects.