Bisoxalato vs. Dioxalato

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Michael Le 2D
Posts: 28
Joined: Fri Sep 25, 2015 3:00 am

Bisoxalato vs. Dioxalato

Postby Michael Le 2D » Sat Nov 14, 2015 6:47 pm

For ligands such as ethyleneDIamine(en) or ethyleneDIamineTETRAacetato (EDTA), I understand that we have to use bis, tris, tetrakis when referring to multiple of these ligands.

For oxalato in question 17.31D, oxalato is referred to as bisoxalato. Why not dioxalato for this ligand considering there is no di-, tri-, tetra- in the name already?

Michelle Dela Rosa 1D
Posts: 25
Joined: Fri Sep 25, 2015 3:00 am

Re: Bisoxalato vs. Dioxalato

Postby Michelle Dela Rosa 1D » Sat Nov 14, 2015 6:53 pm

If the ligand is polydentate, you use the prefixes bis-, tris-, tetrakis-, pentakis, etc. Oxalate is a bidentate ligand; therefore, you use bisoxalato, not dioxalato.

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