[CP2K-user] "CPASSERT failed"---kpoint calculations/band structure with hybrid functional PBE0?
wuli... at gmail.com
wuli... at gmail.com
Sat Nov 10 02:55:26 UTC 2018
Hi All,
I want to print the band structure of WO3 with hybrid functional PBE0 and I
get the "CPASSERT failed hfx_energy_potential.F:494"
Routine Calling Stack : 9 integrate_four_center
The input file downloaded
from https://www.cp2k.org/exercises:2018_uzh_cmest:pdos?s[]=band
And the functional PBE0 description are:
&XC ! this is the section to define the electronic exchange
&XC_FUNCTIONAL ! our functional is hybrid
&PBE ! it has 75% of PBE
SCALE_X 0.75
SCALE_C 1.0
&END
&PBE_HOLE_T_C_LR
SCALE_X 0.25 ! + 25% of truncated PBE0 functional - that includes exact hfx
CUTOFF_RADIUS 3.5 ! that has interaction truncated at 3.5 A from the atomic core
&END
&END XC_FUNCTIONAL
&HF
FRACTION 0.25 ! this is the hfx section. The amount of hfx must be consistent with above
&SCREENING ! Screening of the electronic repulsion up to the given threshold. This section is needed
EPS_SCHWARZ 1.0E-6
SCREEN_ON_INITIAL_P TRUE ! having an external wave-function, a preliminary screening
&END ! can be performed to speed up calculations
&MEMORY
MAX_MEMORY 800 ! uses some memory to store data and not recompute each step
&END
&INTERACTION_POTENTIAL ! Sets up interaction potential between the two regions
POTENTIAL_TYPE TRUNCATED ! the potential is truncated
CUTOFF_RADIUS 3.5 ! at 3.5 A (see above)
T_C_G_DATA ./t_c_g.dat ! external file with parameters needed to truncate the potential
&END
&END
Thanks!
Lina
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