<div dir="ltr">Dear CP2K experts,<div><br></div><div>I am running a system with MO print out and would like to check on the changes of HOMO and LUMO energy of my system.</div><div>However, i only managed to get the LUMO energy as per below.</div><div><br></div><div><div> Lowest Eigenvalues of the unoccupied subspace spin       1</div><div> -----------------------------------------------------</div><div> Reached convergence in      119  iterations</div><div>    0.02037228    0.05911493</div><div><br></div><div> Lowest Eigenvalues of the unoccupied subspace spin       2</div><div> -----------------------------------------------------</div><div> Reached convergence in      89  iterations</div><div>    0.05501903    0.08163833</div><div><br></div><div> HOMO - LUMO gap [eV] :   0.554358</div><div> HOMO - LUMO gap [eV] :   1.497144</div></div><div><br></div><div>is the HOMO-LUMO gap calculated by using the eigenvalue? for instance (eigenvalue of HOMO) - (eigenvalue of LUMO 0.02037228) </div><div><b>May i know is it possible to print out the value of HOMO and LUMO for the gap as calculated?</b></div><div><br></div><div>below is the part of my input file.</div><div><br></div><div><div>    &DFT</div><div>        BASIS_SET_FILE_NAME  /share/apps/cp2k/cp2k-2.6.1/data/BASIS_MOLOPT</div><div>        POTENTIAL_FILE_NAME  /share/apps/cp2k/cp2k-2.6.1/data/GTH_POTENTIALS</div><div>        MULTIPLICITY 2</div><div>        CHARGE -1</div><div>        ROKS ON</div><div>        &SIC</div><div>            ORBITAL_SET UNPAIRED</div><div>            SIC_METHOD MAURI_SPZ</div><div>            SIC_SCALING_A 0.3</div><div>            SIC_SCALING_B 0.2</div><div>        &END SIC</div><div>        &QS</div><div>            EPS_DEFAULT 1.0E-10</div><div>        &END QS</div><div>        &MGRID</div><div>            NGRIDS 5</div><div>            CUTOFF 280</div><div>            REL_CUTOFF 40</div><div>        &END MGRID</div><div>        &XC</div><div>            &XC_FUNCTIONAL PBE</div><div>             &PBE</div><div>              PARAMETRIZATION REVPBE</div><div>             &END PBE</div><div>            &END XC_FUNCTIONAL</div><div>            &VDW_POTENTIAL</div><div>             DISPERSION_FUNCTIONAL PAIR_POTENTIAL</div><div>             &PAIR_POTENTIAL</div><div>              TYPE DFTD3(BJ)</div><div>              PARAMETER_FILE_NAME /share/apps/cp2k/cp2k-2.6.1/data/dftd3.dat</div><div>              D3BJ_SCALING 1.000 0.5238 2.3550 3.5016</div><div>              CALCULATE_C9_TERM OFF</div><div>             &END PAIR_POTENTIAL</div><div>            &END VDW_POTENTIAL</div><div>        &END XC</div><div>        &SCF</div><div>            SCF_GUESS RESTART</div><div>            EPS_SCF 5.0E-6</div><div>            MAX_SCF 100</div><div>            &OT ON</div><div>                MINIMIZER DIIS</div><div>                ROTATION ON</div><div>            &END OT</div><div>            &MIXING T</div><div>                METHOD BROYDEN_MIXING</div><div>                ALPHA 0.4</div><div>                NBROYDEN 8</div><div>            &END MIXING</div><div>        &END SCF</div><div>        &POISSON</div><div>            PERIODIC NONE</div><div>            POISSON_SOLVER MT</div><div>        &END POISSON</div><div>        &PRINT</div><div>            &MO</div><div>            EIGENVALUES</div><div>            OCCUPATION_NUMBERS</div><div>            &END MO</div><div>            &MO_CUBES</div><div>            NHOMO 2</div><div>            NLUMO 2</div><div>            &END MO_CUBES</div><div>        &END PRINT</div><div>    &END DFT</div><div>&END FORCE_EVAL</div></div><div><br></div><div>Rgds</div><div>Alfred</div><div><br></div></div>