[Pw_forum] (no subject)

[Ezad Shojaee]

hi Eric
thanks for your time.i wanted to know that shouldn't we specify the 
displacements of atoms in the input file? ( for example ,if i want to 
calculate some special modes )  in  my case, i have a base with 6 atoms, i 
had run a phonon calculation & it takes a lot of time !
thanx again

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