[CP2K:5627] Pseudopotentials and DFT functionals
mpol
polynsk... at gmail.com
Thu Sep 4 09:49:30 UTC 2014
Thank you!
Kind regards,
MP
четверг, 4 сентября 2014 г., 13:44:27 UTC+4 пользователь jgh написал:
>
> Hi
>
> 1) you can. However, I would only do it for "similar" functionals.
> The only problem you can run into, is a reduction of accuracy.
>
> 2) Yes, the atomic code can be used to generate NLCC pseudopotentials.
> However, the PBE NLCC pseudopotentials are from the Goedecker
> group and have been optimised using another code and another
> protocol. Have a look into the papers from that group about
> details.
>
> regards
>
> Juerg Hutter
> --------------------------------------------------------------
> Juerg Hutter Phone : ++41 44 635 4491
> Institut für Chemie C FAX : ++41 44 635 6838
> Universität Zürich E-mail: hut... at chem.uzh.ch
> Winterthurerstrasse 190
> CH-8057 Zürich, Switzerland
> ---------------------------------------------------------------
>
> -----cp... at googlegroups.com wrote: -----
> To: cp... at googlegroups.com
> From: mpol
> Sent by: cp... at googlegroups.com
> Date: 09/04/2014 08:17AM
> Subject: [CP2K:5627] Pseudopotentials and DFT functionals
>
> Dear CP2k developers and users,
>
> 1. Can one use GTH-PBE pseudopotentials with other functionals, e.g.
> meta-GGA or hybrid functionals? Can it cause a problem, and, if so, what
> kind of problem may be caused?
>
> 2. Can one use ATOMIC code to optimize NLCC pseudopotentials? As I've
> noticed, NLCC pseudopotentials are optimized for PBE only. Can we use them
> with other DFT functionals?
>
> Best regards,
> MP
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