What's the correct way to count chelate rings in [Co(EDTA)]-?

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The discussion centers on how to accurately count chelate rings in the complex [Co(EDTA)]-. Participants express uncertainty about the definition of chelate rings and suggest visualizing the structure to identify them. One contributor notes the presence of five linkages in their diagram, implying that this might indicate the number of rings. The conversation highlights the need for clarity in defining the start and end points for counting. Ultimately, visual representation is emphasized as a useful method for understanding chelation in coordination complexes.
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What are the five chelate rings in [Co(EDTA)]-
Since I can't find a definition I just drew cycles.
1722717348861.png

1722717353537.png


When to start and end?
 

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Well, I see five purple linkages in the diagram, so maybe that gives you a hint...
 

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