[Wien] creating a supercell

[shaymlal dayananda]

Dear Prof. L. Marks
Thank you very much for quick response.

This is a (semiconductor) oxide. Can you please let me know the correct way I have to follow to create this structure with vaccuum,? any code, etc.?

My target is calculating the "work function".

Thank you in advance
Daya

 

    On Friday, October 19, 2018 2:25 PM, Laurence Marks <L-marks at northwestern.edu> wrote:
 

 Is this a metal, single element compound or an oxide (insulator)? If it is a compound probably none of the methods is right. Otherwise all are equally right or wrong. (30 bohr seems to be anomalously large.)
On Fri, Oct 19, 2018 at 3:22 PM shaymlal dayananda <kcsdayananda at yahoo.com> wrote:

Dear developers and users

I need to generate a supercell for a CYZ structure for workfunction calculation with WIEN2k 18.2.However "supercell" program in Wien2k does not support this group. Hence I found two other methods to create the supercell.
one method is VESTA. My structure has a=4.12 ,b= 11.9, c=6.32 (Angstrom) with orthorhombic structure.Thus I thought to create a supercell of the size 1x3x1 and then to add 30 bohr vacuum to the y-axis direction. 

In the second method, by using METADISE code, I can create a surface along 010 and then the supercell based on that and add the vacuum.
I felt that VESTA method is easy to do. But I am bit hesitated if I am has a wrong structure with VESTA (missing symmetry or anything).
Can someone please let me know, if you know, which is the correct way? or what is wrong with VESTA method?

I am waiting for your answer to continue my calculation
Thank you for your valuable comments
Daya





-- 
Professor Laurence Marks
"Research is to see what everybody else has seen, and to think what nobody else has thought", Albert Szent-Gyorgi
www.numis.northwestern.edu ; Corrosion in 4D: MURI4D.numis.northwestern.eduPartner of the CFW 100% program for gender equity, www.cfw.org/100-percentCo-Editor, Acta Cryst A_______________________________________________
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