[Pw_forum] Problems with phonon calculation

[MATEUS JOSÉ FERNANDES MARTINS]

Ary,

Your scf calculation is configured with the variable "nosym = . false ".
Change, set true.

Mateus.

2009/2/10 Ary Junior <aryjunior at gmail.com>

> Hello,
>
> I have a very large system and I must do a phonon calculation. This
> calculation takes months, so I want to do with only few atoms. But the
> variable nat_todo seems to not work. When I enable the variable for a little
> system, it only makes the calculation ph.x to the atoms that I ask, but with
> my system of interest, no matter if I insert nat_todo, nrapp or maxirr, it
> continues making 3*n representations.
>
> Thanks very much!
>
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