Not necessarily. Set MD.TargetPressure to the desired value (0.01 GPa,
f.e.).

Marcos

On Thu, May 19, 2011 at 2:52 PM, akshu hans <[email protected]> wrote:

> Dear users
> when i try to relax the technetium unit cell using MD.VariableCell T, the
> forces on atoms relax to less the 0.04ev and stress tensor is close to zero
> but pressure is too large (100Kbar) and hence correct lattice parameter is
> not obtained. Where could the problem be...in pseudopotential???
> Mesh Cutoff is 300Ry
> Kgrid cutoff is 9 Ang
>

Responder a