HOMO print out
Kit Tang
scott... at gmail.com
Wed Jan 13 02:52:38 UTC 2016
Dear CP2K experts,
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.
However, i only managed to get the LUMO energy as per below.
Lowest Eigenvalues of the unoccupied subspace spin 1
-----------------------------------------------------
Reached convergence in 119 iterations
0.02037228 0.05911493
Lowest Eigenvalues of the unoccupied subspace spin 2
-----------------------------------------------------
Reached convergence in 89 iterations
0.05501903 0.08163833
HOMO - LUMO gap [eV] : 0.554358
HOMO - LUMO gap [eV] : 1.497144
is the HOMO-LUMO gap calculated by using the eigenvalue? for instance
(eigenvalue of HOMO) - (eigenvalue of LUMO 0.02037228)
*May i know is it possible to print out the value of HOMO and LUMO for the
gap as calculated?*
below is the part of my input file.
&DFT
BASIS_SET_FILE_NAME
/share/apps/cp2k/cp2k-2.6.1/data/BASIS_MOLOPT
POTENTIAL_FILE_NAME
/share/apps/cp2k/cp2k-2.6.1/data/GTH_POTENTIALS
MULTIPLICITY 2
CHARGE -1
ROKS ON
&SIC
ORBITAL_SET UNPAIRED
SIC_METHOD MAURI_SPZ
SIC_SCALING_A 0.3
SIC_SCALING_B 0.2
&END SIC
&QS
EPS_DEFAULT 1.0E-10
&END QS
&MGRID
NGRIDS 5
CUTOFF 280
REL_CUTOFF 40
&END MGRID
&XC
&XC_FUNCTIONAL PBE
&PBE
PARAMETRIZATION REVPBE
&END PBE
&END XC_FUNCTIONAL
&VDW_POTENTIAL
DISPERSION_FUNCTIONAL PAIR_POTENTIAL
&PAIR_POTENTIAL
TYPE DFTD3(BJ)
PARAMETER_FILE_NAME
/share/apps/cp2k/cp2k-2.6.1/data/dftd3.dat
D3BJ_SCALING 1.000 0.5238 2.3550 3.5016
CALCULATE_C9_TERM OFF
&END PAIR_POTENTIAL
&END VDW_POTENTIAL
&END XC
&SCF
SCF_GUESS RESTART
EPS_SCF 5.0E-6
MAX_SCF 100
&OT ON
MINIMIZER DIIS
ROTATION ON
&END OT
&MIXING T
METHOD BROYDEN_MIXING
ALPHA 0.4
NBROYDEN 8
&END MIXING
&END SCF
&POISSON
PERIODIC NONE
POISSON_SOLVER MT
&END POISSON
&PRINT
&MO
EIGENVALUES
OCCUPATION_NUMBERS
&END MO
&MO_CUBES
NHOMO 2
NLUMO 2
&END MO_CUBES
&END PRINT
&END DFT
&END FORCE_EVAL
Rgds
Alfred
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