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Re: [abinit-forum] Why my SCF calculation does not converge?


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  • From: Konstantin Rushchanskii <konstantin.rushchanskii@cea.fr>
  • To: forum@abinit.org
  • Subject: Re: [abinit-forum] Why my SCF calculation does not converge?
  • Date: Mon, 23 Oct 2006 13:42:59 +0200

Dear Matthieu,

I have had the same problem with bulk materials.

Regards,
Konstantin

GGA can be more sensitive to vaccuum (certain terms can diverge when n ->0 though this should be treated properly in abinit kudos for Xavier), need higher ecut or other convergence parameters. Try other iscf values, nline variables, or just be happy with 10-10 which is not bad for tolvrs.

Matthieu






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