Multiplicity not specified
Megha Anand
meghaan... at gmail.com
Sun Sep 11 19:26:29 UTC 2016
Dear All,
I am trying to do non-periodic GAPW calculation on Fe atom using
Ahlrichs-def2-QZVP basis set. I have specified the multiplicity as 5 (4
unpaired electrons, 2*S+1 = 5) in the &DFT section. Why does the output say:
Multiplicity not
specified
S 2.00 2.00 2.00 2.00
P 6.00 6.00
D 6.00
---------
Integrated absolute spin density :
2.9072369397
Ideal and single determinant S**2 : 6.000000
6.014181
MULLIKEN POPULATION ANALYSIS
# Atom Element Kind Atomic population (alpha,beta) Net charge Spin
moment
1 Fe 1 15.000000 11.000000
0.000000 4.000000
# Total charge and spin 15.000000 11.000000 0.000000
4.000000
What am I doing wrong? Please help. This is how my input looks like:
&GLOBAL
PROJECT Fe_12
RUN_TYPE ENERGY
PRINT_LEVEL MEDIUM
WALLTIME 86400
&END GLOBAL
&FORCE_EVAL
METHOD Quickstep
&DFT
BASIS_SET_FILE_NAME /share/apps/cp2k/cp2k/tests/QS/EMSL_BASIS_SETS
POTENTIAL_FILE_NAME /share/apps/cp2k/cp2k/tests/QS/POTENTIAL
CHARGE 0
MULTIPLICITY 5
UKS T
&MGRID
CUTOFF 400
REL_CUTOFF 60
&END MGRID
&QS
METHOD GAPW
EPS_DEFAULT 1.0E-12
&END QS
&SCF
MAX_SCF 500
&OUTER_SCF
EPS_SCF 1.0E-6
MAX_SCF 60
&END OUTER_SCF
&END SCF
&POISSON
PERIODIC NONE
PSOLVER WAVELET
&END POISSON
&XC
&XC_FUNCTIONAL PBE
&END XC_FUNCTIONAL
&XC_GRID
XC_SMOOTH_RHO NN10
XC_DERIV SPLINE2_SMOOTH
&END XC_GRID
&END XC
&END DFT
&SUBSYS
&CELL
ABC 7.00 7.00 7.00
PERIODIC NONE
&END CELL
&COORD
Fe 0.0000 0.0000 0.0000
&END COORD
&TOPOLOGY
&CENTER_COORDINATES
&END
&END
&KIND Fe
BASIS_SET Ahlrichs-def2-QZVP
POTENTIAL ALL
&END KIND
&END SUBSYS
&END FORCE_EVAL
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