[Pw_forum] error in phonon calculation

[Paolo Giannozzi]

On Saturday 11 June 2005 11:13, Mousumi Upadhyay Kahaly wrote:

> I am trying to do Gamma point phonon calculation of relaxed
> Pb_di_acetate molecule [...]

>      from cinterpolate : error #         1
>      not implemented

do not use a different grid for the charge density and for the wavefunctions,
i.e. use the default cutoff for the charge density (ecutrho=4*ecutwfc). 
Using ecutrho>4*ecutwfc is useful only for ultrasoft pseudopotentials.

Paolo