[Pw_forum] elastic properties

[Eyvaz Isaev]

Dear Kada,

> i read in the forum that i have to put 0 ibrav to do the calculation 

You should specify ibrav=0, if  you choose basis vectors manually, i.e. you 
specify CELL_PARAMETERS.

Nobody can help you until you submit your input file.

Please do not forget about your affiliation.

Bests,
Eyvaz.
-------------------------------------------------------------------
Prof. Eyvaz Isaev, 
Department of Physics, Chemistry, and Biology (IFM), Linkoping University, 
Sweden 

Theoretical Physics Department, Moscow State Institute of Steel & Alloys, 
Russia, 

isaev at ifm.liu.se, eyvaz_isaev at yahoo.com




________________________________
From: kada galami <physolde at yahoo.fr>
To: pw_forum at pwscf.org
Sent: Mon, December 27, 2010 12:52:53 PM
Subject: [Pw_forum] elastic properties


hi  
i want to do the elastic properties of cubic structure
i read in the forum that i have to put 0 ibrav to do the calculation 
but when i do the monoclinic deformation
i have a error :  

from latgen : error #      8
wrong celldm(2)  

wha


      
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