[CPMD-list] question about 'PROGRAM STOPS IN SUBROUTINE RHOOFR| TOTAL DENSITY SUMS ARE NOT EQUAL'
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chemist_pengbo at mail.nankai.edu.cn
Fri Dec 1 10:20:20 CET 2006
Dear list,
I have used CPMD for wavefunction optimization of
a TiO2 cluster (Ti38O76). At first, it is failed
to converge, so I added 'PCG MINIMIZE' in the &CPMD
section, then, after a few steps, I got the following
output,
..
IN FOURIER SPACE: 912.000000000000
IN REAL SPACE: 912.091989357280
STOPGM! STACK OF MAIN CALLS:
STOPGM! CALL FORCEDR
STOPGM! CALL FORCES
STOPGM! CALL RHOOFR
PROGRAM STOPS IN SUBROUTINE RHOOFR| TOTAL DENSITY SUMS ARE NOT EQUAL
..
Is anybody can tell me what's the problem?The whole .inp
and .out files are attached.
I have used the Vanderbilt's code to generated a
uspp file for Ti. (O is obtained from the uspp library)
>From the previous mailing list, a bad uspp seems to
occur the similar problem, so the uspp file is also
attached, as I can not be sure whether the uspp I have
generated is good or bad for this situation.
The structure of the cluster is obtained from anatase
crystal structure.
Below is the main body of input
&CPMD
OPTIMIZE WAVEFUNCTION
INITIALIZE WAVEFUNCTION RANDOM
(PCG MINIZINE <<<<<<<<<<<I added it for the second run)
CONVERGENCE ORBITALS
1.0e-6
MAXSTEP
100
&END
&DFT
FUNCTIONAL PBE
GC-CUTOFF
5.0e-6
&END
&SYSTEM
SYMMETRY
CUBIC
SCALE S=1
CELL
19.044 1.0 1.0 0 0 0
CUTOFF
25.0
&END
&ATOMS
ATOMIC CHARGES
4.0
-2.0
*Ti-gpbe.uspp FORMATTED
LMAX=D
38
...
specification
...
*O-gpbe.uspp FORMATTED
LMAX=P
76
...
specification
...
&END
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