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Re: [abinit-forum] Fwd: chkneu : ERROR - Initialization of occ, with occopt= 1


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  • From: Alain Jacques <ajs.jacques@gmail.com>
  • To: forum@abinit.org
  • Subject: Re: [abinit-forum] Fwd: chkneu : ERROR - Initialization of occ, with occopt= 1
  • Date: Mon, 05 Oct 2009 15:25:15 +0200
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bond james wrote:
>
>
> hi 2 all,
> I am new to Abinit user and not very much expert in setting parameters.
> First of all , is there any option so that i can get all the questions
> posted to the forum on my gmail ID ??? Please advice.

You have access to the archives of the forums from your account on
https://listes-2.sipr.ucl.ac.be/abinit.org. Dumping the full archive to
your gmail account would put quite some stress on your mailbox :-)

>
> Secondly i want to calculate linear and non linear optic properties of
> YVO4. So being a starter i edit the GaAs example (i know that the
> convergance are too low) but first of all i want to see that my input
> files is right or not. Please help.
> I am getting error as
>
> chkneu : ERROR -
> Initialization of occ, with occopt= 1
> There are not enough bands to get charge balance right
> Action : modify input file ...
> (check the pseudopotential charges, the variable charge,
> and the declared number of bands, nband)

Try to increase nband or use fband instead - explanations on
http://www.abinit.org/documentation/helpfiles/for-v5.8/tutorial/lesson_1.html
and
http://www.abinit.org/documentation/helpfiles/for-v5.8/input_variables/varbas.html#nband

Kind regards,

Alain




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