paconius

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Ah ha! It looks like OPSIN accepts the following as the name for potassium osmate: dipotassium dioxidodioxoosmium dihydrate Roundtripping that name through ChemAxon gives this IUPAC name: dipotassium dioxoosmiumbis(olate) dihydrate...

The title of this entry should be "VDW Radius Lookup Values?" not "DSW...." I'm still learning how to type apparently.

Interesting. I've been looking around to see where that vdw radius of 1.95 for carbon may have come from. RDKit is the only place I have found a value that...

> ...Given that, we agree that customers have crappy data. I think there is room for a bit of humble introspection here, as until very recently, RDKit was a key...

Hi @bp-kelley , I didn't post any code to this thread. Did you mean to post your comment in a different thread?

This is an interesting result. While I can't offer any ideas as to the cause of this behavior, I need to ask, "what on Earth is the source of this...

> [@paconius](https://github.com/paconius) You can [purchase](https://www.molport.com/shop/compound/Molport-046-939-661) it for yourself and find out 😄 Wow, it is real! Apparently this molecule is called "Cucurbit[7]uril" and has uses in supramolecular host applications.