[Pw_forum] problem on phonon

bhabya sahoo bdslipun at gmail.com
Sat May 28 14:08:37 CEST 2011

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
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