<div dir="ltr"><div><div><div>Dear everyone <br></div>     Today, I am doing HSE06 calculation for rutile TiO2. In the output file, I found a strange error "POWELL| Error in trust region" before the SCF calculation starting. But this error reminder doesnot stop the running job. Could you kindly tell me Why there is such an error reminder in the output file?<br></div><div><br></div><div><br><br></div>The following is my input file:<br><br>&GLOBAL<br>  PROJECT      TiO2<br>  RUN_TYPE     ENERGY<br>  PRINT_LEVEL  LOW<br>  WALLTIME     43200<br>&END GLOBAL<br><br>&FORCE_EVAL<br>  METHOD           Quickstep<br>  STRESS_TENSOR    ANALYTICAL<br>  &PRINT<br>    &STRESS_TENSOR<br>    &END STRESS_TENSOR<br>  &END PRINT<br>  &DFT<br>    BASIS_SET_FILE_NAME     ./BASIS<br>    BASIS_SET_FILE_NAME     ./BASIS_MOLOPT<br>    BASIS_SET_FILE_NAME     ./BASIS_ADMM<br>    BASIS_SET_FILE_NAME     ./BASIS_ADMM_MOLOPT<br>    POTENTIAL_FILE_NAME     ./GTH_POTENTIALS<br>    WFN_RESTART_FILE_NAME   ./TiO2-RESTART.wfn<br>  ! CHARGE -1<br>  ! LSD<br>    &MGRID<br>      CUTOFF        500<br>      REL_CUTOFF    60<br>    &END MGRID<br><br>    &QS<br>      EPS_DEFAULT  1.0E-15<br>      EPS_PGF_ORB  1.0E-20<br>    &END QS<br><br>    &AUXILIARY_DENSITY_MATRIX_METHOD<br>      METHOD BASIS_PROJECTION<br>      ADMM_PURIFICATION_METHOD MO_DIAG<br>    &END AUXILIARY_DENSITY_MATRIX_METHOD<br><br>    &SCF<br>      SCF_GUESS  RESTART<br>      EPS_SCF    1.0E-7<br>      MAX_SCF    50<br>      MAX_ITER_LUMOS 10000<br>      EPS_LUMOS      1.0E-7<br><br>      &OT<br>        MINIMIZER        CG<br>        PRECONDITIONER   FULL_SINGLE_INVERSE<br>      &END OT<br>      &OUTER_SCF<br>        EPS_SCF    1.0E-7<br>        MAX_SCF    50<br>    MAX_ITER_LUMOS 10000<br>      EPS_LUMOS      1.0E-7<br><br>      &OT<br>        MINIMIZER        CG<br>        PRECONDITIONER   FULL_SINGLE_INVERSE<br>      &END OT<br>      &OUTER_SCF<br>        EPS_SCF    1.0E-7<br>        MAX_SCF    50<br>      &END OUTER_SCF<br><br>      &PRINT<br>        &RESTART LOW<br>        &END<br>      &END PRINT<br>    &END SCF<br><br>    &XC<br>     &XC_FUNCTIONAL<br>      &XWPBE<br>        SCALE_X   -0.23<br>        SCALE_X0   1.0<br>        OMEGA      0.11<br>      &END<br>      &PBE<br>        SCALE_X   0.0<br>        SCALE_C   1.0<br>      &END PBE<br>     &END XC_FUNCTIONAL<br>     &HF<br>      &SCREENING<br>        EPS_SCHWARZ          1.0E-10<br>        SCREEN_ON_INITIAL_P  TRUE<br>      &END<br>      &INTERACTION_POTENTIAL<br>        POTENTIAL_TYPE SHORTRANGE<br>        OMEGA 0.11<br>      &END<br>      &MEMORY<br>        MAX_MEMORY 512<br>      &END<br>      FRACTION 0.23<br>     &END<br>    &END XC<br><br>    &PRINT<br>      &MO_CUBES<br>        NHOMO 5<br>        NLUMO 5<br>      ! WRITE_CUBE  F<br>      &END MO_CUBES<br>     &PDOS<br>        APPEND      .TRUE.<br>        COMPONENTS  .TRUE.<br>      &END PDOS<br>      &V_HARTREE_CUBE<br>      &END V_HARTREE_CUBE<br>    &END PRINT<br>  &END DFT<br><br>  &SUBSYS<br>    &CELL<br>      ABC [angstrom]  6.4944    11.8296    12.9887<br>      ALPHA_BETA_GAMMA [deg] 90 90 90<br>    &END CELL<br>    &TOPOLOGY<br>      COORD_FILE_NAME   ./TiO2.xyz<br>      COORD_FILE_FORMAT xyz<br>    &END TOPOLOGY<br>    &KIND O<br>      BASIS_SET         cc-TZ<br>      AUX_FIT_BASIS_SET cFIT3<br>      POTENTIAL    GTH-PBE-q6<br>    &END KIND<br>    &KIND Ti<br>      BASIS_SET         DZVP-MOLOPT-SR-GTH-q12<br>      AUX_FIT_BASIS_SET FIT11<br>      POTENTIAL    GTH-PBE-q12<br>    &END KIND<br>  &END SUBSYS<br>&END FORCE_EVAL<br><br><br></div>Best regards<br>zhendong<br><div><br><br>      <br clear="all"><div><div><div><br>-- <br><div class="gmail_signature"><div dir="ltr">Zhendong Guo <div><div>Phone: +41786943316</div><div>Email:  <a href="mailto:zhendon...@gmail.com" target="_blank">zhendon...@gmail.com</a></div><div>            <a href="mailto:zhendo...@epfl.ch" target="_blank">zhendo...@epfl.ch</a>-------------------------------------------------------------------------------------------------</div></div></div></div>
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