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Welcome to the discussion forum on
cp2k
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http://www.cp2k.org
).
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Soma
,
Krack, Matthias
2
11:27 AM
Regarding Warnings under PBC Conditions with SCCS
Hi Your EPS_DEFAULT value is with 1.0E-7 way too large which causes a bad electron count and thus the
unread,
Regarding Warnings under PBC Conditions with SCCS
Hi Your EPS_DEFAULT value is with 1.0E-7 way too large which causes a bad electron count and thus the
11:27 AM
Darek -
,
Marcella Iannuzzi
3
6:23 AM
input files for geomtery optimization + normal mode calculations, DFT/B3LYP/6-31G(d,p))
Thank you for your answer. I have known this websistes; nevertheless, I have still some unvertainties
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input files for geomtery optimization + normal mode calculations, DFT/B3LYP/6-31G(d,p))
Thank you for your answer. I have known this websistes; nevertheless, I have still some unvertainties
6:23 AM
qing zhou
, …
Augustin Bussy
5
1:25 AM
XAS calculation of an open-shell system
Dear Augustin, Thank you for your suggestions. I will try a different function to continue the
unread,
XAS calculation of an open-shell system
Dear Augustin, Thank you for your suggestions. I will try a different function to continue the
1:25 AM
Junbo Lu
,
Krack, Matthias
2
Nov 19
How to print the kinetic energy AO matrix?
Hi Junbo KINETIC_ENERGY is an input keyword, not an input section. Best Matthias From: cp2k@
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How to print the kinetic energy AO matrix?
Hi Junbo KINETIC_ENERGY is an input keyword, not an input section. Best Matthias From: cp2k@
Nov 19
Ziming Wang
Nov 19
How to solve “Cholesky decomposition failed. Matrix ill conditioned?”
Dear cp2k developers, When I used HSE06 with opening RI-HFX to calculate the 2D GaN band structure, I
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How to solve “Cholesky decomposition failed. Matrix ill conditioned?”
Dear cp2k developers, When I used HSE06 with opening RI-HFX to calculate the 2D GaN band structure, I
Nov 19
sun
,
Marcella Iannuzzi
2
Nov 19
Issues with MO warnings and Cholesky decomposition failure in CP2K with def2-TZVP
Hi .. The warning for the CO calculation is not a real problem. Since the number of orbital functions
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Issues with MO warnings and Cholesky decomposition failure in CP2K with def2-TZVP
Hi .. The warning for the CO calculation is not a real problem. Since the number of orbital functions
Nov 19
ice ZQing
Nov 18
Why doesn't the force eventually tend to zero when using CP2K for Slow-growth simulation
Hello everyone, I am currently learning how to perform slow-growth simulations in CP2K to obtain free
unread,
Why doesn't the force eventually tend to zero when using CP2K for Slow-growth simulation
Hello everyone, I am currently learning how to perform slow-growth simulations in CP2K to obtain free
Nov 18
T deJ
,
Jürg Hutter
3
Nov 18
Crash for TDDFT with RKS_TRIPLETS and ADMM
Dear Jürg, Thank you for your swift reply! The LIBXC variant indeed works. Best, Tjeerd On Thursday,
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Crash for TDDFT with RKS_TRIPLETS and ADMM
Dear Jürg, Thank you for your swift reply! The LIBXC variant indeed works. Best, Tjeerd On Thursday,
Nov 18
hamid zabihi
, …
Frederick Stein
3
Nov 18
SCF Convergence Issues in CP2K – Oscillating Energy Behavior
Smearing is not compatible with OT. Considering your output, you do not need to turn off the CHOLESKY
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SCF Convergence Issues in CP2K – Oscillating Energy Behavior
Smearing is not compatible with OT. Considering your output, you do not need to turn off the CHOLESKY
Nov 18
hamid zabihi
,
Marcella Iannuzzi
2
Nov 16
SCF not converging in CaF₂ slab geometry optimisation — advice needed
Hi The convergence is slow but not too bad Increasing the number of MAX_SCF should help. It is not a
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SCF not converging in CaF₂ slab geometry optimisation — advice needed
Hi The convergence is slow but not too bad Increasing the number of MAX_SCF should help. It is not a
Nov 16
Michael LaCount
,
Dmitry Ryndyk
5
Nov 15
Reproducing NEGF results
Hi Michael, I aim to develop the code further. But first, I check and clean the old one. The changes
unread,
Reproducing NEGF results
Hi Michael, I aim to develop the code further. But first, I check and clean the old one. The changes
Nov 15
Elham M.Goliaei
Nov 11
SCPC method?
Dear CP2K users and developers, I am currently working on 2D slab systems with both positive (+1) and
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SCPC method?
Dear CP2K users and developers, I am currently working on 2D slab systems with both positive (+1) and
Nov 11
Hamideh Kahnouji
Nov 10
SCF Convergence Issue in MOF/H⁺-g-C₃N₄ Relaxation with and without CDFT
Dear CP2K community, I'm a new user of CP2K and I'm currently working on a geometry
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SCF Convergence Issue in MOF/H⁺-g-C₃N₄ Relaxation with and without CDFT
Dear CP2K community, I'm a new user of CP2K and I'm currently working on a geometry
Nov 10
Mohammadreza Shirazi
2
Nov 7
Fermi surface visualization/ Kpoints related to &DFT&PRINT&MO
Dear all, Thanks to Dr. Stein, I understood that my problem was rooted in a known bug of MO section
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Fermi surface visualization/ Kpoints related to &DFT&PRINT&MO
Dear all, Thanks to Dr. Stein, I understood that my problem was rooted in a known bug of MO section
Nov 7
Torstein Fjermestad
,
Jürg Hutter
2
Nov 7
Which auxiliary basis set should I use for ADMM calculations?
Hi Yes, all basis sets used in a calculation, the primary orbital basis, RI (aux) basis sets, and
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Which auxiliary basis set should I use for ADMM calculations?
Hi Yes, all basis sets used in a calculation, the primary orbital basis, RI (aux) basis sets, and
Nov 7
Paul B. Klar
,
Krack, Matthias
2
Nov 6
Structure factors, comparison with independent atom model
Hi Paul An output of such detail like a .hkl file is not available (implemented) in CP2K. Best
unread,
Structure factors, comparison with independent atom model
Hi Paul An output of such detail like a .hkl file is not available (implemented) in CP2K. Best
Nov 6
Max Pierre
,
fabia...@gmail.com
3
Nov 6
Different eigenvalues from Hybrids + ADMM calculations in CP2K 2025.1 compared to 2024.1
That was indeed the issue! For some reason in cp2k-2024.1 the ADMM band gaps were very close to the
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Different eigenvalues from Hybrids + ADMM calculations in CP2K 2025.1 compared to 2024.1
That was indeed the issue! For some reason in cp2k-2024.1 the ADMM band gaps were very close to the
Nov 6
Rubee Soni
,
fabia...@gmail.com
2
Nov 5
adding cube files
Hi Rubee, I don't think you can directly add two cube files. But the cubecruncher supports
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adding cube files
Hi Rubee, I don't think you can directly add two cube files. But the cubecruncher supports
Nov 5
Arthur France-Lanord
,
Jürg Hutter
2
Nov 5
GAPW - only soft AO for one kind
Hi You can force the PAW treatment of all atoms with FORCE_EVAL%DFT%QS%FORCE_PAW Changing
unread,
GAPW - only soft AO for one kind
Hi You can force the PAW treatment of all atoms with FORCE_EVAL%DFT%QS%FORCE_PAW Changing
Nov 5
Dmitry Ryndyk
, …
Fabian Ducry
11
Nov 3
Real space representation of S and KS matrices with k-points
Hi Fabian, the NEGF code (not written by me) compares the coordinates of two FORCE_EVAL: one for the
unread,
Real space representation of S and KS matrices with k-points
Hi Fabian, the NEGF code (not written by me) compares the coordinates of two FORCE_EVAL: one for the
Nov 3
Hasan Tunçer
,
Marcella Iannuzzi
2
Nov 3
Constrained DFT-MD
Hello, Try to set RESTART_CONSTRAINT FALSE in EXT_RESTART section Regards Marcella On Monday,
unread,
Constrained DFT-MD
Hello, Try to set RESTART_CONSTRAINT FALSE in EXT_RESTART section Regards Marcella On Monday,
Nov 3
HugoWan
Nov 3
Inquiry about how to set constant in CP2K
Hi, I used CP2k and Plumed to do externed_lagrangian for free energy sampling. The issue is that
unread,
Inquiry about how to set constant in CP2K
Hi, I used CP2k and Plumed to do externed_lagrangian for free energy sampling. The issue is that
Nov 3
yj jiang
,
Frederick Stein
2
Oct 30
density fitting auxbasis in cp2k
Hi, I am not quite sure which MOLOPT auxiliary basis sets you are referring to. CP2K does not have
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density fitting auxbasis in cp2k
Hi, I am not quite sure which MOLOPT auxiliary basis sets you are referring to. CP2K does not have
Oct 30
yis...@163.com
, …
Johann Pototschnig
3
Oct 28
Inquiry about SCF Convergence Issues with the Diagonalization Method in CP2K
You can try to increase the cutoffs: &MGRID CUTOFF 400 REL_CUTOFF 55 &END MGRID I t can be
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Inquiry about SCF Convergence Issues with the Diagonalization Method in CP2K
You can try to increase the cutoffs: &MGRID CUTOFF 400 REL_CUTOFF 55 &END MGRID I t can be
Oct 28
yis...@163.com
,
Que Zhu
2
Oct 28
The "Cholesky decompose failed" error occurs when employing an ECP pseudopotential for calculations involving periodic systems.
I recommend you try using DZVP-MOLOPT-SR-GTH. yis...@163.com <yis...@163.com> 于2025年10月24日周五
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The "Cholesky decompose failed" error occurs when employing an ECP pseudopotential for calculations involving periodic systems.
I recommend you try using DZVP-MOLOPT-SR-GTH. yis...@163.com <yis...@163.com> 于2025年10月24日周五
Oct 28
xuan Garrett
, …
Ravi Kumar
9
Oct 27
Planar average potential along Z in &EXTERNAL_POTENTIAL
Hi Xuan, I am not a QE user, but I have QE input file tags applying the static field &control
unread,
Planar average potential along Z in &EXTERNAL_POTENTIAL
Hi Xuan, I am not a QE user, but I have QE input file tags applying the static field &control
Oct 27
Xin Wu
Oct 27
International CP2K-GROMACS Autumn School (Sept 30 – Oct 1, 2025, Paderborn)
Hi everyone, The video recordings of the Invited Lectures at the International CP2K-GROMACS Autumn
unread,
International CP2K-GROMACS Autumn School (Sept 30 – Oct 1, 2025, Paderborn)
Hi everyone, The video recordings of the Invited Lectures at the International CP2K-GROMACS Autumn
Oct 27
章乐申(粉川桜雪)
Oct 25
Query regarding slow-growth method in AIMD
Dear CP2K Developers and Experienced Users, Hello, I am new to CP2K and have a question regarding the
unread,
Query regarding slow-growth method in AIMD
Dear CP2K Developers and Experienced Users, Hello, I am new to CP2K and have a question regarding the
Oct 25
Moon Yang
Oct 24
Question on QM/MM and CDFT in CP2K
Dear CP2K community, I am trying to run QM/MM simulations using CP2K coupled with GROMACS to
unread,
Question on QM/MM and CDFT in CP2K
Dear CP2K community, I am trying to run QM/MM simulations using CP2K coupled with GROMACS to
Oct 24
Ji Woong Yu
Oct 22
A possibility of CP2K implementation of r2SCAN-3c?
Dear all, I am trying to build a CP2K version of the r2SCAN-3c composite method. As I understand it,
unread,
A possibility of CP2K implementation of r2SCAN-3c?
Dear all, I am trying to build a CP2K version of the r2SCAN-3c composite method. As I understand it,
Oct 22