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[ÇóÖú] VASP¼ÆËãZnOµÄÐÔÖÊ£¬ÎªÊ²Ã´ENCUTµÄ²âÊÔÇúÏßÊÇÕâ¸öÑù×ӵģ¿

ÎÒ³õѧVASP£¬ºÃ¶àÎÊÌâ²»¶®¡£ÏÖÔÚÏë¼ÆËãZnOµÄÐÔÖÊ£¬Ë³±ãѧϰÒÔÏ£¬Òò´Ë¾ö¶¨ÏȲâÊÔENCUT¡£ÏÂÃæÊÇÎÒµÄÊäÈëÎļþºÍÔËÐнű¾£º
---------------------------------------------------------------------------------------------------
POSCAR£¨MSÖ±½Óµ¼³öµÄÔ­°û£©
SYSTEM = ZnO
1
2.813950363754660      -1.624635000000000       0.000000000000000
0.000000000000000       3.249270000000000       0.000000000000000
0.000000000000000       0.000000000000000       5.205440000000000
O Zn
2 2
Slective Dynamics
Direct
0.3333333333333330   0.6666666666666670   0.3825999999999999 F F F
-0.3333333333333330  -0.6666666666666670   0.8825999999999999 F F F
0.3333333333333330   0.6666666666666670   0.0000000000000000 F F F
-0.3333333333333330  -0.6666666666666670   0.5000000000000000 F F F
-------------------------------------------------------------------------------------------------
KPONITS
------------
Automatic Generation
0
Monhkorst-Pack
13 13 9
0 0 0
--------------------------------------------------------------------------------------------------
POTCAR£º
-------------
ÓõÄÊÇpaw_GGA
grep "ENMAX" POTCAR ºó£¬ÏÔʾÈçÏ£º
   ENMAX  =  400.000; ENMIN  =  300.000 eV
   ENMAX  =  276.749; ENMIN  =  207.562 eV
--------------------------------------------------------------------------------------------------
ÔËÐнű¾£¨run.ENCUT.sh£©
---------------------------------
#!/bin/sh
rm Encut_Energy.dat
for i in 400 450 500 550 600 650 700 750 800 850 900 950 1000
do
rm WAVECAR
cat > INCAR <<!
SYSTEM = ZnO
ENCUT = $i
ISTART = 0
ICHARG = 2
ISMEAR = -5
PREC = Accurate
!
echo "ENCUT = $i eV" ; time mpirun -np 8 vasp
E=`grep "TOTEN" OUTCAR | tail -1 | awk '{printf "%12.6f\n",$5}'`
echo $i $E >>Encut_Energy.dat
done
cat Encut_Energy.dat
-------------------------------------------------------------------------------------------------
×îºó¼ÆËã³öÀ´µÄ½á¹ûÊÇÕâ¸öÑù×ӵģº
400 -18.078393
450 -18.047978
500 -18.039628
550 -18.040343
600 -18.043653
650 -18.046893
700 -18.049904
750 -18.051407
800 -18.052394
850 -18.052619
900 -18.052538
950 -18.052588
1000 -18.052498
----------------------
MATLAB×öͼºóÊÇÕâ¸öÑù×ӵģº
¼û¸½¼þ¡£
--------------------------------------------------------------------------------------------------
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