Dear Users
I'm trying to calculation Raman and IR frequencies with PHonon package
included in QE. i want to know the prerequisites that i have to check ,
for
example no of KPOINT in SCF run, asr typr in madyn calculation.
Since i am getting negative value for frequecy as well as raman
intensity
for my system. can any one help in this regard ?
Thank you
==========================================
Muthu V
Sri Paramakalyani Colege
Alwarkurichi
==========================================
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