[Pw_forum] Relax or vc-relax

[Sonu Kumar]

Relax will only relax your atomic positions, while vc-relax will relax
atomic positions
as well lattice parameters. Please read the documentation of pw.x for
detail.

bests, sonu


*===============================================*
With kind regards,
Dr. S Kumar, Post doctoral fellow
Physical Sciences and Engineering  Divison,
IBN Sina Building, KAUST,
Thuwal, KSA
*===============================================*

On Sun, Jul 23, 2017 at 10:36 PM, Rajesh <creativeidleminds at gmail.com>
wrote:

> Dear users
>
> Which option is better for geometry optimisation: relax or vc-relax.
> Please suggest I am new to quantum espresso.
>
> Thank you
>
> Rajesh
>
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