<p>Hello
CP2K users,</p>
<p> </p>
<p>Hope
this post finds you well. I am currently studying the adsorption of different
molecules on metal oxides. From previous entrances, I have seen that Short
Range (SR) Molopt Basis sets are recommended for oxygen atoms in condensed phase
systems (i.e. in oxides). Nonetheless, these SR basis sets might not be well suited
for representing oxygen atoms in oxygen-containing gaseous adsorbates. For this case, would
it be reasonable to use a more complete basis set just for the adsorbate’s oxygen
atoms while maintaining the SR basis set for the oxygen atoms in the solid
phase? This would be set up through the FORCE_EVAL/SUBSYS/KIND section, for
instance:</p>
<p> </p>
<p> &KIND O1 #Oxygen atoms in the adsorbate
molecule</p>
<p> ELEMENT O</p>
<p> BASIS_SET
DZVP-MOLOPT-GTH-q6</p>
<p>
POTENTIAL GTH-PBE-q6</p>
<p> &END KIND </p>
<p> </p>
<p> &KIND O2 #Oxygen atoms in the oxide</p>
<p> ELEMENT O</p>
<p> BASIS_SET
DZVP-MOLOPT-SR-GTH-q6</p>
<p>
POTENTIAL GTH-PBE-q6</p>
<p> &END KIND</p>
<p> </p>
<p> Thanks!</p>
<p> </p><p>John</p>
<p></p>
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