Chelate Structures

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Marisa Gaitan 2D
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Chelate Structures

Postby Marisa Gaitan 2D » Wed Nov 25, 2020 3:03 pm

In lecture, Lavelle mentioned that longer molecules with multiple lone pairs have the ability to form chelates. In his example, he had ethylenediamine (I think this is the name) forming a ring, bonding to cobalt in two bonding sites. How would this work for tridentates if there must be three bonding sites? I'm having a hard time thinking about what its structure might look like.

Yasmina Zaarour 1G
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Re: Chelate Structures

Postby Yasmina Zaarour 1G » Wed Nov 25, 2020 5:23 pm

Here are some examples I found online! I noticed in most of them there are nitrogen atoms, which each contribute 1 lone pair, and then if there are three nitrogen atoms in the ligand, then they would all bond to the central atom through the ring shape.

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