Oxalate Bidentate?

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Fiona Grant 1I
Posts: 30
Joined: Fri Apr 06, 2018 11:03 am

Oxalate Bidentate?

Postby Fiona Grant 1I » Fri Jun 08, 2018 3:48 pm

Why is oxalate bidentate? Aren't there four oxygens with lone pairs, meaning there are four potential binding sites, thus making it tetradentate?

Natalie Noble 1G
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Joined: Thu Feb 01, 2018 3:02 am
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Re: Oxalate Bidentate?

Postby Natalie Noble 1G » Fri Jun 08, 2018 3:48 pm

C2O4- is bidentate because the two O that are single bonded to the carbons can bind to a metal, and they chelating ligand, so it is bidentate. It cannot bind in single bond and double bond oxygen because it is not long enough (only 4 atoms) to make a ring. And the O that are double bonded to the carbons cannot rotate to bind to the metal as easily and they are stable formation. (i think? idk) So it is only bidentate

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