[Cod-bugs] Searching in COD

[Friedrich, Holger]

Dear Sirs,

We are working on a project in which we would need a list of possible known and described (e.g. in COD) crystalline phases.
The system is inorganic and oxidic and could contain different up, to 5 cations.
Now I was wondering about the best way to search for available phases e.g.
for an oxidic system that contains besides oxygen Zn Al Si K Ca
Hereby all possible combinations of oxidic structures containing 2 cations, 3 cations... 5 cations should be provided.
Other anions or cations should be excluded is possible.

I had hoped that by using 1 to 8 elements with the oxygen and the given cations would give me the result if
I specify the number of distinct elements min and max at 2 and 6 respectively. But that did not work out.
Maybe I just made a mistake. The O and K was typed with a space before the element and also after it.

If you could give me a suggestion how to proceed and search I would be very grateful.
If this cannot be done, I would like to provide it as a suggestion.
Of course one could probably just fix Zn and O and allow up to 6 ions and in a consecutive step one could
work on the extracted list using a script but that seems not very straight forward and might lead to a lot of mistakes.

In case of any questions please let me know.

Thank you very much in advance

Holger Friedrich


Fraunhofer Zentrum
Hochtemperatur-Leichtbau HTL
Gottlieb-Keim-Straße 62
95448 Bayreuth

Dr. Holger Friedrich
Leiter Gruppe Keramik

Tel: 0921 - 78510 300
Fax: 0921 - 78510 001

holger.friedrich at isc.fraunhofer.de<mailto:holger.friedrich at isc.fraunhofer.de>
http://www.htl.fraunhofer.de<http://www.htl.fraunhofer.de/>


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