[CPMD-list] (no subject)

kdong_bj at sina.com kdong_bj at sina.com
Wed Oct 10 13:20:08 CET 2007


Dear every cpmd user,
  I am studying a mixture of water and aother solvant.
  After 5ns using classical MD, I pick up a configuration as initial geometry to carry out the CPMD.
  After optimization of wavefunctions, the molecular dynamic was carried out,  my input file look like as follows,
   &CPMD
   MOLECULAR DYNAIMCS CP
   RESTART WAVEFUNCTIONS COORDINATES LATEST
   MAXSTEP
   10000
   TIMESTEP 
   5.0
   EMASS
   600
    NOSE IONS 
    350.0 3000.0
    &END
    ........
 
 
   My system contains 624 atoms, the DFT is BLYP.
   but the output file look like as follows,
  TOTAL INTEGRATED ELECTRONIC DENSITY
    IN G-SPACE =                                      1296.000000
    IN R-SPACE =                                      1296.000000
 
 (K+E1+L+N+X)           TOTAL ENERGY =         1060.70424073 A.U.
 (K)                  KINETIC ENERGY =         1152.16714712 A.U.
 (E1=A-S+R)     ELECTROSTATIC ENERGY =          623.45349978 A.U.
 (S)                           ESELF =         1633.00373444 A.U.
 (R)                             ESR =          104.08282525 A.U.
 (L)    LOCAL PSEUDOPOTENTIAL ENERGY =         -246.43453910 A.U.
 (N)      N-L PSEUDOPOTENTIAL ENERGY =           71.85023843 A.U.
 (X)     EXCHANGE-CORRELATION ENERGY =         -540.33210550 A.U.
         GRADIENT CORRECTION ENERGY =           -27.19522460 A.U.
 
       NFI    EKINC   TEMPP           EKS      ECLASSIC          EHAM         DIS    TCPU
         1405.82400  2304.5    1060.70424    1066.65044    1472.47444   0.267E-04   49.31
         2*********  7683.0     362.41271     382.25520    1442.24111   0.378E-03   49.88
         3********* 14286.4    -161.05320    -123.98183    1426.36893   0.175E-02   49.81
         4********* 19178.7    -479.07083    -428.70524    1421.92633   0.480E-02   50.82
         5********* 21004.5    -615.53653    -559.18291    1423.61595   0.964E-02   50.08
         6********* 20588.9    -639.97824    -583.17403    1430.63220   0.158E-01   50.54
         7********* 19201.5    -640.22750    -585.70370    1433.66427   0.224E-01   50.18
         8********* 17441.1    -638.63291    -587.47348    1433.66556   0.289E-01   50.27
         9********* 15586.6    -621.54404    -574.06576    1436.47016   0.349E-01   50.37
        10********* 13990.8    -597.68101    -553.27424    1438.53594   0.403E-01   49.54
        11********* 12777.0    -578.07436    -535.81504    1440.02596   0.452E-01   49.83
        12********* 11812.7    -571.61753    -530.92881    1440.10169   0.498E-01   50.14
        13********* 10988.3    -577.18200    -537.76902    1438.61381   0.540E-01   50.15
        14********* 10240.8    -582.77211    -544.49911    1438.13870   0.579E-01   50.56
        15*********  9584.7    -583.12336    -545.81173    1438.55877   0.613E-01   49.97
        16*********  9040.3    -581.73781    -545.14929    1439.51770   0.643E-01   50.37
   Originally, I think the timestep is not correct, but when the timestep is increased to 10.0, the NaN ocurred, so I did not know the reasons, 
can you help me?

 
     Best Regards
    k.dong 
 
2007-08-28 



K. dong
Institute of Process Engineering
Chinese Academy of Sciences
P. O. BOX 63, Beijing 100080
The People's Republic of China
E-mail: dongkun at home.ipe.ac.cn
          kdong at foxmail.com

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