Hi Zoltan,

 we need sample code showing what you are doing and what the results are to
be able to diagnose this and help

Best,
-greg

On Wed, 25 Sep 2019 at 14:35, Zoltan Takacs <zozo...@gmail.com> wrote:

> Dear RDkitters,
>
> I am playing around with the assignstereochemistry function and I am
> getting confused. If I change the numbering of the atoms but not their
> coordinates (for example switch to canonical numbering) I get a different
> answer. In fact it only seems to work right when I switch to canonical
> numbering with openbabel.
>
> What rules does the function follow? Is there any role played by the
> numbering of atoms? Do they have to be numbered in any special way for
> example the groups need to follow each other when assigning CIP priority?
>
> Thanks
>
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