dipole moment calculation for smearing condition
Chanwoo Noh
eric... at gmail.com
Fri Nov 25 06:16:19 UTC 2016
Dear all,
I'm trying to calculate the vibrational spectrum for a periodic metal slab
system with the finite electronic temperature smearing option.
There are two methods for calculating dipole moment in CP2K.
One is the Berry phase formula method for periodic systems, and the other
is the simple operator method for non-periodic systems.
However, Berry phase formula method is not applicable to the system with
smearing option.
Thus, I used the simple operator option for calculating dipole moment in
the periodic system.
Is it okay that the simple operator method is used for periodic system?
If it is not, how can I calculate the dipole moment of the periodic system
with smearing option?
Please give me any comment or advice.
Chanwoo Noh
Following is my input file.
&GLOBAL
PROJECT Pt_H3O
RUN_TYPE VIBRATIONAL_ANALYSIS
PRINT_LEVEL MEDIUM
EXTENDED_FFT_LENGTHS
&END GLOBAL
&FORCE_EVAL
METHOD Quickstep
&DFT
BASIS_SET_FILE_NAME BASIS_MOLOPT
POTENTIAL_FILE_NAME GTH_POTENTIALS
&PRINT
&MOMENTS
PERIODIC FALSE
&END
&END
&MGRID
CUTOFF 500
REL_CUTOFF 50
&END MGRID
&QS
EPS_DEFAULT 1.0E-14
&END QS
CHARGE 1
MULTIPLICITY 1
&SCF
SCF_GUESS RESTART
MAX_SCF 500
EPS_SCF 5.0E-7
ADDED_MOS 500
CHOLESKY INVERSE
&SMEAR ON
METHOD FERMI_DIRAC
ELECTRONIC_TEMPERATURE [K] 300
&END SMEAR
&DIAGONALIZATION
ALGORITHM STANDARD
&END DIAGONALIZATION
&MIXING
METHOD BROYDEN_MIXING
ALPHA 0.1
BETA 1.5
NBROYDEN 8
&END
&PRINT
&RESTART
&EACH
QS_SCF 0
GEO_OPT 1
&END
ADD_LAST NUMERIC
FILENAME RESTART
&END
&RESTART_HISTORY OFF
&END
&END
&END SCF
&XC
&XC_FUNCTIONAL PBE
&END XC_FUNCTIONAL
&vdW_POTENTIAL
POTENTIAL_TYPE PAIR_POTENTIAL
&PAIR_POTENTIAL
TYPE DFTD3
CALCULATE_C9_TERM .TRUE.
PARAMETER_FILE_NAME dftd3.dat
REFERENCE_FUNCTIONAL PBE
R_CUTOFF [angstrom] 10.0
&END PAIR_POTENTIAL
&END vdW_POTENTIAL
&END XC
&END DFT
&SUBSYS
&KIND Pt
ELEMENT Pt
BASIS_SET DZVP-MOLOPT-SR-GTH
POTENTIAL GTH-PBE-q18
&END KIND
&KIND H
ELEMENT H
BASIS_SET DZVP-MOLOPT-GTH
POTENTIAL GTH-PBE-q1
&END KIND
&KIND O
ELEMENT O
BASIS_SET DZVP-MOLOPT-GTH
POTENTIAL GTH-PBE-q6
&END KIND
&CELL
A 16.752000000 0.000000000 0.000000000
B 8.376000000 14.50766000 0.000000000
C 0.000000000 0.000000000 70.00000000
&END CELL
&TOPOLOGY
COORD_FILE_NAME Pt_H3O.xyz
COORD_FILE_FORMAT XYZ
&END TOPOLOGY
&END SUBSYS
&PRINT
&TOTAL_NUMBERS ON
&END TOTAL_NUMBERS
&END PRINT
&END FORCE_EVAL
&MOTION
&GEO_OPT
OPTIMIZER LBFGS
MAX_FORCE 0.00005
MAX_ITER 1600
&END
&CONSTRAINT
&FIXED_ATOMS
COMPONENTS_TO_FIX XYZ
LIST 1..144
&END
&END
&END MOTION
&VIBRATIONAL_ANALYSIS
INTENSITIES
NPROC_REP 72
DX 0.001
&PRINT
&PROGRAM_RUN_INFO ON
&END
&END
&END
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.cp2k.org/archives/cp2k-user/attachments/20161124/1d133d8d/attachment.htm>
More information about the CP2K-user
mailing list