[Cod-bugs] Optimade API returns empty results for SMILES query, while web interface works properly for the same SMILES value

Saulius Gražulis grazulis at ibt.lt
Fri May 23 13:55:49 EEST 2025


Hi, Mehmet,

thanks for the notification! We'll investigate the problem and come back 
to you.

Regards,
Saulius

On 2025-05-23 13:51, Mehmet Giritli - STFC UKRI wrote:
> Hi,
>
> We'd like to report an issue we are facing with the COD's Optimade API.
>
> Using a SMILES string to search with COD website interface works fine:
>
> https://www.crystallography.net/cod/search.php
> SMILES: c1ccccc1
>
> However, when the same SMILES value is used to query through Optimade 
> API, we get no results back (and no errors either). Here is how we are 
> searching with Optimade:
>
> https://www.crystallography.net/cod/optimade/structures?filter=_cod_smiles=%22c1ccccc1%22
>
> Please let me know if you need any further information.
>
> Kind Regards,
> Mehmet.
>
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-- 
Dr. Saulius Gražulis
Vilnius University Institute of Biotechnology, Saulėtekio al. 7
LT-10257 Vilnius, Lietuva (Lithuania)
fax: (+370-5)-2234367 / phone (office): (+370-5)-2234353
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