[CP2K-user] [CP2K:21629] Running dftb with mio-1-1 and 3ob parameters
bijaya pathak
bijayapathak85 at gmail.com
Tue Jul 8 11:07:07 UTC 2025
Dear all, I'm trying to run dftb with mio-1-1 and 3ob parameters. While I
have been able to run the simulations I have some doubts and need some
clarification.
&QS
METHOD DFTB
&DFTB
SELF_CONSISTENT T
DO_EWALD T
DISPERSION T
&PARAMETER
PARAM_FILE_PATH ./DFTB/3ob
! PARAM_FILE_NAME scc_parameter
SK_FILE H O H-O.skf
SK_FILE H H H-H.skf
SK_FILE O O O-O.skf
SK_FILE O H O-H.skf
DISPERSION_TYPE D3
&END PARAMETER
&END DFTB
EPS_DEFAULT 1.0E-14
with this input file I'm not being able to run the simulations. The 3ob
contains the SK files i have provided manually. It shows the following
error.
*** WARNING in common/cp_files.F:375 :: The file name <> has leading ***
*** blanks. ***
*******************************************************************************
* ___
*
* / \
*
* [ABORT] The specified OLD file <> cannot be opened. It does not exist.
Data *
* \___/ directory path:
*
* |
/home/apps/spack/opt/spack/linux-centos7-cascadelake/intel-2021.7. *
* O/| 0/cp2k-9.1-o5ipcrousgizcftzihldmcqeqkrcncg6/share/data
*
* /| |
*
* / \
common/cp_files.F:395 *
*******************************************************************************
My question is, do I need to place my parameter folder to the one given in
error ? Another issue I have is,
with the following input file, I'm being able to run the simulation.
&QS
! use the GPW method (i.e. pseudopotential based calculations with
the Gaussian and Plane Waves scheme).
METHOD DFTB
&DFTB
SELF_CONSISTENT T
DO_EWALD T
DISPERSION F
&PARAMETER
PARAM_FILE_PATH ./DFTB/scc/
PARAM_FILE_NAME scc_parameter
SK_FILE O H O-H.skf
SK_FILE H H H-H.skf
SK_FILE O O O-O.skf
SK_FILE H O H-O.skf
&END PARAMETER
&END DFTB
EPS_DEFAULT 1.0E-14
But here the scc_parameter file is same as the default cp2k file and I have
kept the mio-1-1 .skf files along with the original .spl files. So can
anyone tell me if i need the default scc folder with .spl files even when
I'm using mio-1-1 or 3ob parameters and if not, whats the issue with my
first imput file.
Thanks in advance. Any suggestions are appreciated much.
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