[QE-users] "wrong offset" error when using SG15 pseudo

[Lorenzo Paulatto]

Be careful if you plan to use the Mn SG15 pseudopotential with
wavefunctions included that you can find on the internet, that it is not
identical to the official one and actually has a ghost state.

-- 
Lorenzo Paulatto

On Fri, 30 Oct 2020, 10:08 Timrov Iurii, <iurii.timrov at epfl.ch> wrote:

> > Could it mean that SG15 pseudopotentials are not suitable for the DFT+U
> calculations?
>
>
> Some pseudopotentials do not contain the information about atomic
> wavefunctions (and hence you get this error). If I am not wrong, this is
> the case for SG15 (for some old version).
>
>
> Greetings,
>
> Iurii
>
>
> ------------------------------
> *From:* users <users-bounces at lists.quantum-espresso.org> on behalf of
> Matteo Cococcioni <matteo.cococcioni at unipv.it>
> *Sent:* Friday, October 30, 2020 10:00:53 AM
> *To:* Quantum ESPRESSO users Forum
> *Subject:* Re: [QE-users] "wrong offset" error when using SG15 pseudo
>
> Dear Sergey,
>
> try to give a look inside your SG15 pseudopotential for Mn. For some
> reason the code does not find the d states it is expecting to use for the
> +U correction. If you do a calculation with dft_plus_u = .false. can you
> compute the projected density of states? Do you get anything on the 3d
> states? If projwfc finds them then also pw should find the 3d states.
>
> Best,
>
> Matteo
>
>
>
> Il giorno ven 30 ott 2020 alle ore 02:04 Sergey Lisenkov <
> proffess at yandex.ru> ha scritto:
>
>> Hello all,
>>
>> I tried to use DFT+U with SG15 pseudopotentials (from SG15 library, 2020
>> version). First element in my structure is "Mn". I immediately got this
>> error message:
>>
>>
>> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>>      Error in routine offset_atom_wfc (1):
>>      wrong offset
>>
>>  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>>
>> Looking at the archives for similar error message, I found that it is
>> related that atomic element is not defined in "tabd.f90". But certainly Mn
>> element is implemented.
>>
>> When I changed pseudopotentials to different one, no such message appears.
>>
>> Could it mean that SG15 pseudopotentials are not suitable for the DFT+U
>> calculations?
>>
>> Thanks,
>>  Sergey
>>
>> USF
>>
>> _______________________________________________
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>
>
>
> --
> Matteo Cococcioni
> Department of Physics
> University of Pavia
> Via Bassi 6, I-27100 Pavia, Italy
> tel +39-0382-987485
> e-mail matteo.cococcioni at unipv.it <lucio.andreani at unipv.it>
> _______________________________________________
> Quantum ESPRESSO is supported by MaX (www.max-centre.eu)
> users mailing list users at lists.quantum-espresso.org
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