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cp2k
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L Heidarizadeh
Mar 3
Ce clusters convergence issue
Dear CP2K developers/users, I am running an MD simulation for Ce cluster and I see the SCF converges
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Ce clusters convergence issue
Dear CP2K developers/users, I am running an MD simulation for Ce cluster and I see the SCF converges
Mar 3
Qi Zhang
,
Marcella Iannuzzi
3
Mar 1
CP2K constrained MD: O–H coordination number constraint does not prevent OH bond breaking
Hi Marcella, Thank you very much for your helpful reply. Your explanation was very insightful and
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CP2K constrained MD: O–H coordination number constraint does not prevent OH bond breaking
Hi Marcella, Thank you very much for your helpful reply. Your explanation was very insightful and
Mar 1
yis...@163.com
,
Shiyang Wang (W0728)
6
Mar 1
The KERKER mixing method may be more suitable than the BROYDEN mixing method for calculations involving magnetic systems.
Thank you for your reply. 在2026年2月28日星期六 UTC+8 03:40:12<Shiyang Wang (W0728)> 写道: Based on my
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The KERKER mixing method may be more suitable than the BROYDEN mixing method for calculations involving magnetic systems.
Thank you for your reply. 在2026年2月28日星期六 UTC+8 03:40:12<Shiyang Wang (W0728)> 写道: Based on my
Mar 1
Harry Lim
,
Marcella Iannuzzi
6
Feb 20
Question on Slater TP (half-core-hole) setup for C 1s / O 1s binding energies in CP2K (GAPW)
Thank you for kind reply. I have removed the PRINT_LEVEL HIGH and indeed the XAS calculation can
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Question on Slater TP (half-core-hole) setup for C 1s / O 1s binding energies in CP2K (GAPW)
Thank you for kind reply. I have removed the PRINT_LEVEL HIGH and indeed the XAS calculation can
Feb 20
Somayeh Ahmadkhani
,
Marcella Iannuzzi
2
Feb 20
QM/MM Interaction When Using MLCG Force Field via PLUMED
Hello Somayeh Ahmadkhani If the MM part does not have charges, there is no electrostatics between QM
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QM/MM Interaction When Using MLCG Force Field via PLUMED
Hello Somayeh Ahmadkhani If the MM part does not have charges, there is no electrostatics between QM
Feb 20
Kaustubh Pathak
,
Marcella Iannuzzi
3
Feb 20
Facing geometry optimization issue
Hello, I have attached the input and cif file in the above mail. Is there any other additional
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Facing geometry optimization issue
Hello, I have attached the input and cif file in the above mail. Is there any other additional
Feb 20
Ivan Gladich
Feb 20
Vertical Ionization Potential (VIE) using GW formalism
Dear CP2K community, I would like to calculate the Vertical Ionization Potential (VIE) of several
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Vertical Ionization Potential (VIE) using GW formalism
Dear CP2K community, I would like to calculate the Vertical Ionization Potential (VIE) of several
Feb 20
yis...@163.com
Feb 18
When using the diagonalization method for semiconductors, should the SMEAR parameter be included?
Dear CP2K developers, Hello everyone! I am a new CP2K user and have recently been using the
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When using the diagonalization method for semiconductors, should the SMEAR parameter be included?
Dear CP2K developers, Hello everyone! I am a new CP2K user and have recently been using the
Feb 18
rafa...@gmail.com
,
Frederick Stein
4
Feb 18
GPU vs CPU performance on consumer workstation
Dear Rafael, In general, your test is quite small. You should see more with a larger test such as H2O
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GPU vs CPU performance on consumer workstation
Dear Rafael, In general, your test is quite small. You should see more with a larger test such as H2O
Feb 18
Michele Loriso
,
Jürg Hutter
2
Feb 18
Cerium ADMM generation
Hi Yes, you can use the ATOM code in CP2K to optimize a basis set for use in an ADMM calculation.
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Cerium ADMM generation
Hi Yes, you can use the ATOM code in CP2K to optimize a basis set for use in an ADMM calculation.
Feb 18
Léon Luntadila Lufungula
,
Frederick Stein
3
Feb 17
k-point symmetry/reduction
Dear Frederick, Thank you for the detailed answer, I hope this might one day be implemented but I
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k-point symmetry/reduction
Dear Frederick, Thank you for the detailed answer, I hope this might one day be implemented but I
Feb 17
Andreas Döll
,
bmk
4
Feb 13
Energy calculation for charged system LSD/UKS ?
Thank You for Your answer. I know about the new "tutorial paper" and would recommend anyone
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Energy calculation for charged system LSD/UKS ?
Thank You for Your answer. I know about the new "tutorial paper" and would recommend anyone
Feb 13
Max H
,
Jürg Hutter
3
Feb 13
r2SCAN CUTOFF convergence
Dear Prof. Hutter, thank you for your kind suggestion (and thank you for pointing out the option for
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r2SCAN CUTOFF convergence
Dear Prof. Hutter, thank you for your kind suggestion (and thank you for pointing out the option for
Feb 13
Torstein Fjermestad
,
Johann Pototschnig
2
Feb 10
Confusion about the D4 parameters
1+2) The Coordination number function type (cnfun) determines which definition for the coordination
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Confusion about the D4 parameters
1+2) The Coordination number function type (cnfun) determines which definition for the coordination
Feb 10
yis...@163.com
Feb 10
How to Maintain Structural Consistency When Switching from Diagonalization to OT Algorithm in CP2K?
Dear CP2K developers, Hello everyone. I have a rather basic question to ask. I am currently using
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How to Maintain Structural Consistency When Switching from Diagonalization to OT Algorithm in CP2K?
Dear CP2K developers, Hello everyone. I have a rather basic question to ask. I am currently using
Feb 10
Torstein Fjermestad
,
Frederick Stein
2
Feb 9
PBE exchange functional used for the ADMM correction
Dear Torstein, With "PBEX", CP2K uses PBE as exchange correction independently of the
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PBE exchange functional used for the ADMM correction
Dear Torstein, With "PBEX", CP2K uses PBE as exchange correction independently of the
Feb 9
Andreas Döll
,
Krack, Matthias
3
Feb 5
Geometric optimization vs L-BFGS criteria
Thank you very much! Now I get it Krack, Matthias schrieb am Mittwoch, 4. Februar 2026 um 18:31:49
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Geometric optimization vs L-BFGS criteria
Thank you very much! Now I get it Krack, Matthias schrieb am Mittwoch, 4. Februar 2026 um 18:31:49
Feb 5
yw zhang
Feb 5
NPT MD
Hello,Everyone, I am using cp2k to run ab inito NPT simulations with ensemble=NPT_F. I hope to change
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NPT MD
Hello,Everyone, I am using cp2k to run ab inito NPT simulations with ensemble=NPT_F. I hope to change
Feb 5
Torstein Fjermestad
,
Jürg Hutter
3
Feb 3
Rotational modes of methanol have high frequencies (> 550 cm-1), and they do not look like rotations
Dear Prof. Hutter, Thanks a lot for your help. Using the GAPW method improved the situation
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Rotational modes of methanol have high frequencies (> 550 cm-1), and they do not look like rotations
Dear Prof. Hutter, Thanks a lot for your help. Using the GAPW method improved the situation
Feb 3
Dobromir A Kalchevski
,
Jürg Hutter
5
Feb 3
DFTB3 D3(BJ) GAMMA
Thank you again, Jürg. Best Regards, Dobromir On Tuesday, February 3, 2026 at 10:35:41 AM UTC+2 Jürg
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DFTB3 D3(BJ) GAMMA
Thank you again, Jürg. Best Regards, Dobromir On Tuesday, February 3, 2026 at 10:35:41 AM UTC+2 Jürg
Feb 3
Bram Van der Linden
,
Jürg Hutter
3
Feb 3
DFTD3 scaling - possible bug
Dear Jurg, Thanks for the clarification. I think the manual may be confusing here: " if set to
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DFTD3 scaling - possible bug
Dear Jurg, Thanks for the clarification. I think the manual may be confusing here: " if set to
Feb 3
yis...@163.com
Feb 2
Suggestions for Improving SCF Convergence in CP2K‘s Diagonalization and K-Point Calculations
Dear CP2K Developers, Hello! I am a beginner in the field of theoretical calculations. My main
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Suggestions for Improving SCF Convergence in CP2K‘s Diagonalization and K-Point Calculations
Dear CP2K Developers, Hello! I am a beginner in the field of theoretical calculations. My main
Feb 2
Rashmi Brahma
Jan 30
Cell optimisation of Heterostructure
I want to perform a spin-polarised cell optimisation calculation using DZVP-MOLOPT-SR-GTH and PBE-D2.
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Cell optimisation of Heterostructure
I want to perform a spin-polarised cell optimisation calculation using DZVP-MOLOPT-SR-GTH and PBE-D2.
Jan 30
yis...@163.com
,
Jürg Hutter
4
Jan 28
Energy Difference Between OT and Diagonalization in CP2K
Thank you for your reply. The issue was indeed due to inconsistent settings in the two input files—
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Energy Difference Between OT and Diagonalization in CP2K
Thank you for your reply. The issue was indeed due to inconsistent settings in the two input files—
Jan 28
Michael LaCount
,
Dmitry Ryndyk
3
Jan 28
NEGF in CP2K
Fair enough I would definitely assume the 2026.1 version makes more sense than the 2024 version. For
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NEGF in CP2K
Fair enough I would definitely assume the 2026.1 version makes more sense than the 2024 version. For
Jan 28
Michael LaCount
Jan 28
Build Bug for CP2K v2026.1
I noticed an odd build bug while using the toolchain for a build of support/v2026.1 The created file
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Build Bug for CP2K v2026.1
I noticed an odd build bug while using the toolchain for a build of support/v2026.1 The created file
Jan 28
Junbo Lu
,
Mohammadreza Shirazi
3
Jan 25
spin-orbit coupling calculation in CP2K
Hi, Thank you very much! Are there some relevant example files? With my best regards, Jun-Bo On Fri,
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spin-orbit coupling calculation in CP2K
Hi, Thank you very much! Are there some relevant example files? With my best regards, Jun-Bo On Fri,
Jan 25
yis...@163.com
,
Frederick Stein
16
Jan 23
Issue with EPS_DEFAULT Sensitivity: Why Does 1.0E-12 Cause CPASSERT Failure?
Thank you 在2026年1月23日星期五 UTC+8 22:35:57<Frederick Stein> 写道: Hi, I found the culprit and will
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Issue with EPS_DEFAULT Sensitivity: Why Does 1.0E-12 Cause CPASSERT Failure?
Thank you 在2026年1月23日星期五 UTC+8 22:35:57<Frederick Stein> 写道: Hi, I found the culprit and will
Jan 23
yis...@163.com
, …
Jürg Hutter
5
Jan 22
How to perform hybrid functional calculations for large systems using the pob-TZVP-rev2 basis set?
Thank you for your suggestion. After replacing the ADMM basis set for hydrogen and oxygen elements
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How to perform hybrid functional calculations for large systems using the pob-TZVP-rev2 basis set?
Thank you for your suggestion. After replacing the ADMM basis set for hydrogen and oxygen elements
Jan 22
Frederick Stein
,
yis...@163.com
2
Jan 21
CP2K made simple
We are grateful for the ongoing efforts of the CP2K development team. This tutorial has enabled us to
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CP2K made simple
We are grateful for the ongoing efforts of the CP2K development team. This tutorial has enabled us to
Jan 21