Shape of Coordination Compounds

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Ariel Fern 2B
Posts: 90
Joined: Fri Aug 30, 2019 12:17 am

Shape of Coordination Compounds

Postby Ariel Fern 2B » Sat Dec 07, 2019 5:31 pm

We use VSEPR of the central transition metal ion in order to determine the shape of the coordination compound, right? Does it make any difference if one of the ligands is polydentate or chelating?

Aliya Jain 2B
Posts: 86
Joined: Wed Sep 11, 2019 12:16 am

Re: Shape of Coordination Compounds

Postby Aliya Jain 2B » Sat Dec 07, 2019 5:57 pm

I think polydentates do affect shape of coordination compounds because they offer more than one binding site. For example, since en has two binding sites, it will increase the coordination compound by 2

Ryan Juncker 3D
Posts: 51
Joined: Wed Sep 18, 2019 12:18 am

Re: Shape of Coordination Compounds

Postby Ryan Juncker 3D » Sat Dec 07, 2019 6:12 pm

They are correct above that chelating ligands effect the shape of a coordination compound. Yes, we use the coordination number of the central metal to determine the shape; but a bidentate or tridentate ligand would raise the coordination compound by 2 or 3 respectively.


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