<div dir="ltr">Hi Hutter,<div> I have another question. It seems that the objective function just include the eigenvalue of orbitals and no density charge. In principle, the objective function should include some atomic properties, such as eigenvalue of orbitals, density charge and location of node.</div><div> With my best regards,</div><div> Zhi<br><br>在 2018年12月12日星期三 UTC-8上午12:08:27,jgh写道:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;">Hi
<br>
<br>the optimization of GTH pseudos is not unique. Depending on your
<br>object function, starting point and convergence you can get rather
<br>different results. The performance of all these different pseudos
<br>should be rather similar though.
<br>There are also elements that can be tricky to get and many repeated
<br>optimizations and some 'magic' is needed to get good results.
<br>
<br>This is a generic input I am currently using to optimize potentials:
<br>
<br>&GLOBAL
<br> PROGRAM_NAME ATOM
<br>&END GLOBAL
<br>&ATOM
<br> ELEMENT Ti
<br>
<br> RUN_TYPE PSEUDOPOTENTIAL_OPTIMIZATION
<br>
<br> ELECTRON_CONFIGURATION [Ne] 3s2 3p6 4s2 3d2
<br> CORE [Ne]
<br> MAX_ANGULAR_MOMENTUM 3
<br>
<br> &METHOD
<br> METHOD_TYPE KOHN-SHAM
<br> RELATIVISTIC DKH(3)
<br> &XC
<br> &XC_FUNCTIONAL
<br> &LIBXC
<br> FUNCTIONAL MGGA_X_SCAN
<br> &END LIBXC
<br> &LIBXC
<br> FUNCTIONAL MGGA_C_SCAN
<br> &END LIBXC
<br> &END XC_FUNCTIONAL
<br> &END XC
<br> &END METHOD
<br> &OPTIMIZATION
<br> EPS_SCF 1.e-7
<br> &END
<br> &AE_BASIS
<br> BASIS_TYPE GEOMETRICAL_GTO
<br> &END AE_BASIS
<br> &PP_BASIS
<br> BASIS_TYPE GEOMETRICAL_GTO
<br> &END PP_BASIS
<br> &POTENTIAL
<br> PSEUDO_TYPE GTH
<br> >H_POTENTIAL
<br> 4 6 2 0
<br> 0.38300965389957 2 8.69526962380773 -0.69130398136282
<br> 3
<br> 0.32535306838298 2 2.49370385691556 3.69297179681161
<br> -4.49419494638446
<br> 0.25460783706014 2 -4.62952832752021 8.87087769105041
<br> -10.49552627066998
<br> 0.24470423408872 1 -9.41064468800323
<br> &END
<br> CONFINEMENT_TYPE BARRIER
<br> CONFINEMENT 200. 4.0 12.0
<br> &END POTENTIAL
<br>
<br> &POWELL
<br> ACCURACY 1.e-14
<br> STEP_SIZE 0.08
<br> MAX_INIT 50
<br> MAX_FUN 250
<br> STEP_SIZE_SCALING 0.90
<br> WEIGHT_PSIR0 0.0
<br> TARGET_POT_SEMICORE [eV] 0.003000
<br> TARGET_POT_VALENCE [eV] 0.000300
<br> TARGET_POT_VIRTUAL [eV] 0.003000
<br> WEIGHT_POT_NODE 10.0
<br> WEIGHT_POT_SEMICORE 2.0
<br> WEIGHT_POT_VALENCE 5.0
<br> WEIGHT_POT_VIRTUAL 1.0
<br> &END
<br>&END ATOM
<br>
<br>You can find my recent optimized potentials for PBE, PBE0, SCAN, HF
<br>at my github repo (absolutely no warrenty!)
<br>
<br><a href="https://github.com/juerghutter/GTH" target="_blank" rel="nofollow" onmousedown="this.href='https://www.google.com/url?q\x3dhttps%3A%2F%2Fgithub.com%2Fjuerghutter%2FGTH\x26sa\x3dD\x26sntz\x3d1\x26usg\x3dAFQjCNFUAfC8QPoR9bVb_LWRHynmLIMC5g';return true;" onclick="this.href='https://www.google.com/url?q\x3dhttps%3A%2F%2Fgithub.com%2Fjuerghutter%2FGTH\x26sa\x3dD\x26sntz\x3d1\x26usg\x3dAFQjCNFUAfC8QPoR9bVb_LWRHynmLIMC5g';return true;">https://github.com/<wbr>juerghutter/GTH</a>
<br>
<br>regards
<br>
<br>Juerg Hutter
<br>------------------------------<wbr>------------------------------<wbr>--
<br>Juerg Hutter Phone : ++41 44 635 4491
<br>Institut für Chemie C FAX : ++41 44 635 6838
<br>Universität Zürich E-mail: <a href="javascript:" target="_blank" gdf-obfuscated-mailto="a3kHo-YnBwAJ" rel="nofollow" onmousedown="this.href='javascript:';return true;" onclick="this.href='javascript:';return true;">hut...@chem.uzh.ch</a>
<br>Winterthurerstrasse 190
<br>CH-8057 Zürich, Switzerland
<br>------------------------------<wbr>------------------------------<wbr>---
<br>
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<br>Date: 12/12/2018 02:19AM
<br>Subject: [CP2K:11041] Generate the GTH pseudopotential by ATOM
<br>
<br>Hello,
<br> I need to generate the GTH pseudopotential and hope to use ATOM code in CP2K. But I find it is a little hard for me. The only thing I can do is just changing the initial guess of pseudopotential parameters. But there are so many parameters in GTH pseudopotential. The optimized pseudopotential changes slightly compared with initial guess. Can anyone tell me how to generate the GTH pseudopotential correctly by ATOM? I will be very appreciated!
<br> Best regards,
<br> Zhi
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<br></blockquote></div></div>