Hello,<div><br /></div><div>lately I have been trying to calculate the adsorption energy of water in the CAU-23 MOF with different XC functionals. To avoid the quite significant BSSE of CP2K's MOLOPT basis sets, I had to apply a counterpoise correction.</div><div><br /></div><div>However, when using the Grimme D4 method the obtained values didn't really make sense as they resulted in a positive interaction energy (I have attached the corresponding input and output files). TheĀ same calculation with the PBE functional or PBE + Grimme D3 gives a negative interaction energy (the absolute value is also significantly smaller).</div><div><br /></div><div>I was wondering whether this is a bug in the code? Would it be possible that the ghost atoms are not properly treated by the interface to the DFTD4 library?</div><div><br /></div><div>I would be very grateful for some feedback.</div><div><br /></div><div>Thanks in advance and all the best,</div><div>HolgerĀ </div>
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