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I'm not too sure of this myself, but I think one way to do it is to see how many atoms in the ligand have lone pairs, and use that number to determine if it is bidentate, monodentate, etc. Also consider if the ligand can rotate or not (pi bonds), since double bonds may affect how many sites a metal can bind to.
Massimo_Capozza_1H wrote:I'm also completely lost on this topic. Does anyone have a good video to help explain this concept?
The Organic Chemistry Tutor on YouTube is a great resource to clarify concepts you might be confused on. If you search up polydentate ligands on YouTube, you should be able to find his video. Hopefully it provides some clarification.
My two criteria include number of lone pairs (which I often noticed on Nitrogen atoms in the molecules we analyzed) and if spacer atoms (Carbon atoms) are present which allow the molecule to distort itself around the transition metal.
I would look for lone pairs on the lewis structure and then determine whether those pairs are in a favorable orientation, like with spacers. That's the only way to bind to the same central metal.
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