Dear all,<div><br /></div><div>I am trying to convert GTH pseudopotentials to the UPF format using the ATOM code in CP2K. Following previous posts found on this forum (for example <a href="https://groups.google.com/g/cp2k/c/WKk4HvqU7l0">this one</a>), I used a script as follows:<br /><br />&GLOBAL<br />PROJECT C<br />PROGRAM_NAME ATOM<br />&END GLOBAL<br />&ATOM<br />ELEMENT C<br />ELECTRON_CONFIGURATION CORE 2s2 2p2<br />CORE [He]<br />&METHOD<br /> METHOD_TYPE KOHN-SHAM<br /> &XC<br /> &XC_FUNCTIONAL LDA<br /> &END XC_FUNCTIONAL<br /> &END XC<br />&END METHOD<br />&PP_BASIS<br /> BASIS_TYPE GEOMETRICAL_GTO<br />&END PP_BASIS<br />&POTENTIAL<br /> PSEUDO_TYPE GTH<br /> >H_POTENTIAL<br /> 2 2<br /> 0.34883045 2 -8.51377110 1.22843203<br /> 2<br /> 0.30455321 1 9.52284179<br /> 0.23267730 0<br />&END<br />&END POTENTIAL<br />&PRINT<br /> &ANALYZE_BASIS<br /> OVERLAP_CONDITION_NUMBER T<br /> COMPLETENESS T<br /> &END ANALYZE_BASIS<br /> &UPF_FILE<br /> FILENAME ./C-GTH-LDA<br /> &END<br />&END<br />&END ATOM<br /><br />and got the .UPF file. However, when using this UPF file to run a simple calculation (diamond single point energy) in Quantum Espresso, we are getting completely different energies than using the UPF from QE library that should correspond to the same GTH pseudopotential (<a href="https://pseudopotentials.quantum-espresso.org/upf_files/C.pz-hgh.UPF">https://pseudopotentials.quantum-espresso.org/upf_files/C.pz-hgh.UPF</a>) <br /><br />Converted: total energy = -44.85859895 Ry<br />From QE website: total energy = -21.77590004 Ry<br /><br />Any advice on how to solve this problem would be greatly appreciated!<br /><br />Best,</div><div>Nemo</div>
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