Dear Sahoo, Without knowing your input file, how one can judge. Please provide your input file. Further, not fully optimization may be one reason. Best
SKG Dept. of Phys. Bhavnagar University Gujarat On Sat, May 28, 2011 at 5:38 PM, bhabya sahoo <bdslipun at gmail.com> wrote: > sir > i used to calculate the phonon calculation on a 4*4*4 grid in cscl phase > but the unstability persists upto 500 gpa > but it is the thermodyanamic stability after 140 gpa kpoints 24*24*24 > what may be reseon i donot know > please help me > > _______________________________________________ > Pw_forum mailing list > Pw_forum at pwscf.org > http://www.democritos.it/mailman/listinfo/pw_forum > > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.democritos.it/pipermail/pw_forum/attachments/20110528/947b2660/attachment.htm