For mBJ it is ALWAYS a good idea to use a larger IFFTfactor (complete
cycle).
For a surface, case.in0_grr should not be present.
However, you need a file case.grr (normally prepared when case.in0_grr
is present). This file (or the corresponding avrg [(grad rho)/rho]
value) should be taken from a corresponding bulk calculation.
On 10/18/2013 12:37 PM, alpa dashora wrote:
Dear Prof. Blaha,
Thanks for reply. I am unable to understand the reply. In only one
iteration FFT factor should be 4 or for complete mbj cycle it should be
same or again changed to 2.
Should I remove case.in0_grr file?
Please clear it.
With regards,
On Fri, Oct 18, 2013 at 11:30 AM, Peter Blaha
<pbl...@theochem.tuwien.ac.at <mailto:pbl...@theochem.tuwien.ac.at>> wrote:
Switch to PBE for one iteration.
Increase IFFTfactor from 2 to 4 in case.in0 (and, most likely,
reduce RKMAX)
Am 18.10.2013 05:55, schrieb alpa dashora:
Dear Prof. Blaha and Wien2k users,
I am trying to run mbj calculation for MoS2 10 layer slab. After
few cycles lapw0 hanged. I have seen the earlier posts discussed
on the same topics. I have used the
vxclm2.f file as provided by Prof. Blaha and removed
case.in0_grr file. I have also increased the Rmt*Kmax up to 9
but still I am not able to solve my problem.
Please suggest any other solution for this error or any other
method to calculate the correct band gap.
Thanks in advance.
With kind regards,
--
Alpa Dashora
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