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cp2k
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http://www.cp2k.org
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Satchith PS
,
Michael LaCount
2
4:22 PM
Restart File Problem
This will be hard to answer without seeing the actual input/restart file. But if I had to guess the
unread,
Restart File Problem
This will be hard to answer without seeing the actual input/restart file. But if I had to guess the
4:22 PM
yis...@163.com
,
Frederick Stein
6
11:15 AM
Issue with EPS_DEFAULT Sensitivity: Why Does 1.0E-12 Cause CPASSERT Failure?
Ok, serife-less fonts are not a good choice here... Please try `module list` after you have loaded
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Issue with EPS_DEFAULT Sensitivity: Why Does 1.0E-12 Cause CPASSERT Failure?
Ok, serife-less fonts are not a good choice here... Please try `module list` after you have loaded
11:15 AM
Ole Schütt
, …
Dmitry Ryndyk
3
9:20 AM
CP2K version 2026.1 released
Hi Viktor, xTB NEGF is not ready yet. I hope to do this in a couple of months. Best wishes, Dima
unread,
CP2K version 2026.1 released
Hi Viktor, xTB NEGF is not ready yet. I hope to do this in a couple of months. Best wishes, Dima
9:20 AM
Ioachim Dusa
3
Jan 5
Python ase-CP2K communication stalls
To provide further information: I have also built in some printing on the cp2k_shell side yielding
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Python ase-CP2K communication stalls
To provide further information: I have also built in some printing on the cp2k_shell side yielding
Jan 5
Kaustubh Pathak
,
Frederick Stein
2
Jan 5
Facing issue while doing geometry optimization
Dear Kaustubh, the MAGNETIZATION keyword is used to provide an initial guess for the magnetization of
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Facing issue while doing geometry optimization
Dear Kaustubh, the MAGNETIZATION keyword is used to provide an initial guess for the magnetization of
Jan 5
Mridhula
Jan 4
Sensitivity of SCCS convergence to RHO_MIN / RHO_MAX and Poisson solver choice
Hello CP2K community, I am having difficulty identifying stable and physically reasonable values for
unread,
Sensitivity of SCCS convergence to RHO_MIN / RHO_MAX and Poisson solver choice
Hello CP2K community, I am having difficulty identifying stable and physically reasonable values for
Jan 4
Jumana Ishrat
Jan 3
Transition state calculation error
Hi. I am trying to perform transition state calculation using NEB but i am facing some issues. I am
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Transition state calculation error
Hi. I am trying to perform transition state calculation using NEB but i am facing some issues. I am
Jan 3
D Y
,
sedate
2
12/30/25
How to correctly set the function in EXTERNAL_POTENTIAL?
Hello, it is ok for seting a potential to prevent molecules motion during AIMD simulations? I get the
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How to correctly set the function in EXTERNAL_POTENTIAL?
Hello, it is ok for seting a potential to prevent molecules motion during AIMD simulations? I get the
12/30/25
Torstein Fjermestad
, …
Jürg Hutter
4
12/29/25
Wavelet Poisson solver - Huge change in total energy when increasing the plane-wave cut-off energy from 1200 to 1260 Ry
Hi yes, I can reproduce your problem using a small molecule in a 30x30x30 box with cutoffs 1200 and
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Wavelet Poisson solver - Huge change in total energy when increasing the plane-wave cut-off energy from 1200 to 1260 Ry
Hi yes, I can reproduce your problem using a small molecule in a 30x30x30 box with cutoffs 1200 and
12/29/25
Michele Loriso
12/26/25
Cp2k installation advice
Good afternoon, Our research group recently acquired an Asus RS720-E12 server, featuring 2 x Intel
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Cp2k installation advice
Good afternoon, Our research group recently acquired an Asus RS720-E12 server, featuring 2 x Intel
12/26/25
zc_belief
12/24/25
How to set walls for coordination or restrict molecule motion
Dear All: I'm using MTD to simulate the dissociation reaction of organic molecules on TiO2-
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How to set walls for coordination or restrict molecule motion
Dear All: I'm using MTD to simulate the dissociation reaction of organic molecules on TiO2-
12/24/25
Reuti Reuti
2
12/23/25
No more Makefile to compile after building the toolchain?
It turned out, that I have to download v2025.2 instead of the master branch. -- Reuti Reuti Reuti
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No more Makefile to compile after building the toolchain?
It turned out, that I have to download v2025.2 instead of the master branch. -- Reuti Reuti Reuti
12/23/25
Andreas Döll
,
Frederick Stein
2
12/19/25
Geometric optimization -> Single point energy calc: Changing basis and reading in coordinates
Dear Andreas, It should definitely work to setup some bash script (run the geometry optimization,
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Geometric optimization -> Single point energy calc: Changing basis and reading in coordinates
Dear Andreas, It should definitely work to setup some bash script (run the geometry optimization,
12/19/25
Satchith PS
,
Frederick Stein
2
12/18/25
Help Required For Simulating Simple H20 Molecule Using Quickstep.
Dear Satchith, I guess the culprit is the COORD-section. Remove it and use &TOPOLOGY
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Help Required For Simulating Simple H20 Molecule Using Quickstep.
Dear Satchith, I guess the culprit is the COORD-section. Remove it and use &TOPOLOGY
12/18/25
Ioachim Dusa
, …
Johann Pototschnig
4
12/11/25
Tabulated external force potential
It is possible to give an external field via cube file or function: https://manual.cp2k.org/trunk/
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Tabulated external force potential
It is possible to give an external field via cube file or function: https://manual.cp2k.org/trunk/
12/11/25
Ho Chang Song
12/9/25
Minima hopping issue
Hello CP2K community, I'm using CP2K together with a minima-hopping (MH) workflow to search for
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Minima hopping issue
Hello CP2K community, I'm using CP2K together with a minima-hopping (MH) workflow to search for
12/9/25
oandr...@gmail.com
,
Jürg Hutter
2
12/8/25
Transition Density from TDDFT
Hi currently available are the printing of excitation orbitals or NTO's. The transition density
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Transition Density from TDDFT
Hi currently available are the printing of excitation orbitals or NTO's. The transition density
12/8/25
Ari Paavo Seitsonen (apsi)
12/2/25
CECAM+Psi-k School "Hybrid Quantum Mechanics / Molecular Mechanics (QM/MM) Approaches to Biochemistry and Beyond", Lausanne, March 23rd to 27th, 2026
Dear Colleagues, We are pleased to announce the seventh CECAM and Psi-k School "Hybrid Quantum
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CECAM+Psi-k School "Hybrid Quantum Mechanics / Molecular Mechanics (QM/MM) Approaches to Biochemistry and Beyond", Lausanne, March 23rd to 27th, 2026
Dear Colleagues, We are pleased to announce the seventh CECAM and Psi-k School "Hybrid Quantum
12/2/25
Richard李
,
Krack, Matthias
2
12/1/25
Questions on small differences in density matrices and Mulliken populations from CP2K single-point calculation
Hi In a first step, I suggest performing test and comparison again using a much tighter SCF
unread,
Questions on small differences in density matrices and Mulliken populations from CP2K single-point calculation
Hi In a first step, I suggest performing test and comparison again using a much tighter SCF
12/1/25
yis...@163.com
, …
Johann Pototschnig
4
11/30/25
Inquiry about SCF Convergence Issues with the Diagonalization Method in CP2K
Thank you very much 在2025年10月28日星期二 UTC+8 21:28:01<Johann Pototschnig> 写道: You can try to
unread,
Inquiry about SCF Convergence Issues with the Diagonalization Method in CP2K
Thank you very much 在2025年10月28日星期二 UTC+8 21:28:01<Johann Pototschnig> 写道: You can try to
11/30/25
Cao Yang
11/29/25
Problems about VIBRATIONAL_ANALYSIS
Dear CP2K community, I am encountering an issue when using CP2K 2025 to perform VIBRATIONAL_ANALYSIS.
unread,
Problems about VIBRATIONAL_ANALYSIS
Dear CP2K community, I am encountering an issue when using CP2K 2025 to perform VIBRATIONAL_ANALYSIS.
11/29/25
Dat Ho
11/28/25
Cell OPT stops right before the second step of SCF
I'm trying to run a cell optimisation simulation of a crystal but it stops every time at the
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Cell OPT stops right before the second step of SCF
I'm trying to run a cell optimisation simulation of a crystal but it stops every time at the
11/28/25
Aishwarya Sudhama
11/27/25
CP2K on LUMI-G GPU
Dear CP2K community, I am interested to run CP2K using GPU support on LUMI-G HPC. I encounter a
unread,
CP2K on LUMI-G GPU
Dear CP2K community, I am interested to run CP2K using GPU support on LUMI-G HPC. I encounter a
11/27/25
Darek -
,
Marcella Iannuzzi
4
11/23/25
input files for geomtery optimization + normal mode calculations, DFT/B3LYP/6-31G(d,p))
Hi Derek - The default options in GEO_OPT are in general good enough - Any wfn optimisation method is
unread,
input files for geomtery optimization + normal mode calculations, DFT/B3LYP/6-31G(d,p))
Hi Derek - The default options in GEO_OPT are in general good enough - Any wfn optimisation method is
11/23/25
Soma
,
Krack, Matthias
3
11/21/25
Regarding Warnings under PBC Conditions with SCCS
Dear Matthias, Thank you for your reply. I will try to remove STRESS_TENSOR analytical and use
unread,
Regarding Warnings under PBC Conditions with SCCS
Dear Matthias, Thank you for your reply. I will try to remove STRESS_TENSOR analytical and use
11/21/25
sun
,
Marcella Iannuzzi
3
11/21/25
Issues with MO warnings and Cholesky decomposition failure in CP2K with def2-TZVP
Dear Marcella (and CP2K developers), Thank you very much for your detailed and helpful reply. I
unread,
Issues with MO warnings and Cholesky decomposition failure in CP2K with def2-TZVP
Dear Marcella (and CP2K developers), Thank you very much for your detailed and helpful reply. I
11/21/25
qing zhou
, …
Augustin Bussy
5
11/20/25
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
11/20/25
Junbo Lu
,
Krack, Matthias
2
11/19/25
How to print the kinetic energy AO matrix?
Hi Junbo KINETIC_ENERGY is an input keyword, not an input section. Best Matthias From: cp2k@
unread,
How to print the kinetic energy AO matrix?
Hi Junbo KINETIC_ENERGY is an input keyword, not an input section. Best Matthias From: cp2k@
11/19/25
Ziming Wang
11/19/25
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
unread,
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
11/19/25
ice ZQing
11/18/25
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
11/18/25