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Topic: Ligand coordination strength  (Read 3842 times)

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Offline Chaste

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Ligand coordination strength
« on: August 28, 2011, 02:10:34 AM »
Hi all,

Suppose that I have a CrCl3.4H2O molecule, and it coordinates to the oxygen atom of a glucose molecule. Is there a way to increase the affinity of the Cr+3 center coordinating to this oxygen atom?

Does it help to change the Chlorides on Cr to other halogens or compounds/elements?

Thanks

Offline Rucasta

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Re: Ligand coordination strength
« Reply #1 on: September 10, 2011, 03:12:38 AM »
It might be easier to think that the O atom in the glucose molecule will coordinate to the Cr metal center. I would think the more electronegative F would pull electron density from the Cr atom, but I don't think F would make a good leaving group like Cl.  I could be wrong.

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