cp2k fails to compute atomic forces

Kristof kristof... at googlemail.com
Wed Nov 28 17:54:26 UTC 2012


Hi,

I'm using cp2k to compute MD trajectories with DFTB with two different 
system setups. On both systems I encountered the same error, yet they 
occured at different stages of the calculations

System 1 worked fine when the calculations were started from scratch, but 
failed when I attempted to restart the system. However, if I use the 
restart file as the input file, the calculations work just fine. 
System 2 already tends to fail when starting from scratch, but casually 
works when the number of processors cp2k runs on is varied.

Calculations that fail usually manage to compute the SCF Energy but then 
fail to calculate the forces (NaN in one or two colums, see appendiy). The 
program eventually exits with the following error:
*****************************************************************************
 *** 17:30:26 ERRORL2 in cp_fm_cholesky:cp_fm_cholesky_decompose processor 
***
 *** 0  err=-300 condition FAILED at line 102                              
***
 *****************************************************************************
My question now is: What are the roots of the problem and how do I get 
around it without having to try every possible combination of mpi, cp2k 
version and processor number.
Many thanks in advance,
best,
Kristof 

The input and corresponding output files are as follows: (Complete outputs 
(input, output, coordinates etc... are attached)

System 1:
========================================================================================
Input:
&GLOBAL
  PROJECT gp-MD_235
  WALLTIME 35500 #10h
  RUN_TYPE MD
  PRINT_LEVEL HIGH
&END GLOBAL
&EXT_RESTART
  RESTART_FILE_NAME gp-MD_235-1.restart
&END EXT_RESTART

&MOTION
 &CONSTRAINT
     &COLLECTIVE
       COLVAR 1
       TARGET [angstrom] 2.35
       INTERMOLECULAR TRUE
     &END COLLECTIVE
     &COLLECTIVE
       COLVAR 2
       TARGET [angstrom] 2.35
       INTERMOLECULAR TRUE
     &END COLLECTIVE
     &LAGRANGE_MULTIPLIERS
       FILENAME =gp-MD_235.lag
     &END LAGRANGE_MULTIPLIERS
   &END CONSTRAINT
   &MD
     ENSEMBLE NVT
     STEPS 1
     TIMESTEP 0.5
     TEMPERATURE 300.0
      &THERMAL_REGION
       FORCE_RESCALING
       &DEFINE_REGION
        LIST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 
25 26 27 28 29 30 31
        TEMP_TOL 200
        TEMPERATURE 300.0
       &END DEFINE_REGION
      &END THERMAL_REGION
    &THERMOSTAT
     REGION GLOBAL
     TYPE CSVR
     &CSVR
     TIMECON=25.0
     &END CSVR
    &END THERMOSTAT
   &END MD
   &PRINT
     &TRAJECTORY
     # SECTION_PARAMETERS LOW
      UNIT angstrom
      FORMAT XYZ
      &EACH
       MD 100
      &END EACH
     &END TRAJECTORY
     &VELOCITIES
     # SECTION_PARAMETERS HIGH
      UNIT angstrom*fs^-1
      FORMAT XYZ
      &EACH
       MD 10
      &END EACH
     &END  VELOCITIES
    &RESTART
       BACKUP_COPIES 0
       &EACH
         MD 1
       &END EACH
     &END RESTART
     &STRUCTURE_DATA
       DISTANCE 1 19
       DISTANCE 2 17
       FILENAME =gp-MD_235.dist
     &END STRUCTURE_DATA
   &END PRINT
&END MOTION
&FORCE_EVAL
  &DFT
    &QS
      METHOD DFTB
      &DFTB
        DO_EWALD           T
        SELF_CONSISTENT    T
        DISPERSION         F
        HB_SR_GAMMA        F
        &PARAMETER
          PARAM_FILE_PATH /project/hydroqmd/karhan/DFTB_Potentials
          SK_FILE H H hh.spl
          SK_FILE O O oo_modi.spl
          SK_FILE H O ho_modi.spl
          SK_FILE O H oh_modi.spl
          SK_FILE H C hc.spl
          SK_FILE H N hn_modi.spl
          SK_FILE O C oc.spl
          SK_FILE O N on.spl
          SK_FILE C C cc.spl
          SK_FILE C H ch.spl
          SK_FILE C O co.spl
          SK_FILE C N cn.spl
          SK_FILE N N nn.spl
          SK_FILE N H nh_modi.spl
          SK_FILE N O no.spl
          SK_FILE N C nc.spl
          UFF_FORCE_FIELD  ./uff_table
        &END PARAMETER
      &END DFTB
      EXTRAPOLATION ASPC
      EXTRAPOLATION_ORDER 3 #0
    &END QS
    &SCF
      SCF_GUESS ATOMIC
      EPS_SCF 25.0E-6
      MAX_SCF 30
      #CHOLESKY OFF
      &OT ON
        MINIMIZER DIIS
        PRECONDITIONER FULL_SINGLE_INVERSE
        STEPSIZE 0.125
      &END OT
      &OUTER_SCF
          TYPE NONE
        OPTIMIZER NONE
        EPS_SCF 25.0E-6
        MAX_SCF 25
      &END OUTER_SCF
      &PRINT
        &RESTART
          BACKUP_COPIES 0
         &EACH
          MD 10
          QS_SCF 0
         &END EACH
        &END RESTART
        &RESTART_HISTORY OFF
        &END RESTART_HISTORY
      &END PRINT
    &END SCF
    &POISSON
      PERIODIC XYZ
      POISSON_SOLVER PERIODIC
      &EWALD
       EWALD_TYPE SPME
       GMAX 64 64 64
       O_SPLINE 8
      &END EWALD
    &END POISSON
  &END DFT
  &SUBSYS
    &CELL
      ABC 50.0 50.0 50.0
      PERIODIC XYZ
    &END CELL
    &TOPOLOGY
      COORD_FILE_NAME 235pm.xyz
      COORDINATE XYZ
    &END TOPOLOGY
    &COLVAR
      &DISTANCE
        ATOMS 1 19
      &END DISTANCE
    &END COLVAR
    &COLVAR
      &DISTANCE
        ATOMS 2 17
      &END DISTANCE
    &END COLVAR
  &END SUBSYS
 # STRESS_TENSOR ANALYTICAL
&END FORCE_EVAL
*#EOF*
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Restart file:
&GLOBAL
   PRINT_LEVEL  MEDIUM
   PROJECT_NAME gp-MD_235
   RUN_TYPE  MD
   WALLTIME     4.3200000000000000E+04
 &END GLOBAL
 &MOTION
   &MD
     ENSEMBLE  NVT
     STEPS          140000
     TIMESTEP     4.9999999999999994E-01
     STEP_START_VAL           24429
     TIME_START_VAL     1.2214500000006783E+04
     ECONS_START_VAL    -4.2053706025519297E+01
     TEMPERATURE     3.0000000000000000E+02
     &THERMOSTAT
       TYPE  CSVR
       REGION  GLOBAL
       &CSVR
         TIMECON     2.4999999999999996E+01
         &THERMOSTAT_ENERGY
              -2.9219349520992220E-02
         &END THERMOSTAT_ENERGY
         &RNG_INIT
Wiener process for Thermostat # 1        1 F T F   
1.4628890444211335E+00        3475418064.0        1716988953.0        
4215312644.0         914178388.0        2784134980.0        
1923055373.0             12345.0             12345.0             
12345.0             12345.0             12345.0             
12345.0             12345.0             12345.0             
12345.0             12345.0             12345.0             12345.0
         &END RNG_INIT
       &END CSVR
     &END THERMOSTAT
     &AVERAGES  T
       &RESTART_AVERAGES
         ITIMES_START               1
         AVECPU     1.4739436735028089E+00
         AVEHUGONIOT     0.0000000000000000E+00
         AVETEMP_BARO     0.0000000000000000E+00
         AVEPOT    -4.2136485328389085E+01
         AVEKIN     4.1852645851588807E-02
         AVETEMP     3.0036373880890966E+02
         AVEKIN_QM     0.0000000000000000E+00
         AVETEMP_QM     0.0000000000000000E+00
         AVEVOL     8.4354182288623450E+05
         AVECELL_A     9.4486306644281925E+01
         AVECELL_B     9.4486306644281925E+01
         AVECELL_C     9.4486306644281925E+01
         AVEALPHA     9.0000000000000028E+01
         AVEBETA     9.0000000000000028E+01
         AVEGAMMA     9.0000000000000028E+01
         AVE_ECONS    -6.7503303929371612E+01
         AVE_PRESS     0.0000000000000000E+00
         AVE_PXX     0.0000000000000000E+00
       &END RESTART_AVERAGES
     &END AVERAGES
     &THERMAL_REGION
       FORCE_RESCALING  T
       &DEFINE_REGION
         LIST               1              2              3              
4              5              6              7 \
                       8              9             10             
11             12             13             14             15 \
                      16             17             18             
19             20             21             22             23 \
                      24             25             26             
27             28             29             30             31
         TEMPERATURE     3.0000000000000000E+02
         TEMP_TOL     1.5000000000000000E+02
       &END DEFINE_REGION
     &END THERMAL_REGION
   &END MD
   &CONSTRAINT
     &COLLECTIVE
       COLVAR               1
       INTERMOLECULAR  T
       TARGET     4.4408564122812608E+00
     &END COLLECTIVE
     &COLLECTIVE
       COLVAR               2
       INTERMOLECULAR  T
       TARGET     4.4408564122812608E+00
     &END COLLECTIVE
     &LAGRANGE_MULTIPLIERS  SILENT
       FILENAME =gp-MD_235.lag
     &END LAGRANGE_MULTIPLIERS
   &END CONSTRAINT
   &PRINT
     &TRAJECTORY  SILENT
       UNIT angstrom
       FORMAT  XMOL
       &EACH
         MD             100
       &END EACH
     &END TRAJECTORY
     &VELOCITIES  SILENT
       UNIT angstrom*fs^-1
       FORMAT  XMOL
       &EACH
         MD              10
       &END EACH
     &END VELOCITIES
     &STRUCTURE_DATA  SILENT
       FILENAME =gp-MD_235.dist
       DISTANCE               1             19
       DISTANCE               2             17
     &END STRUCTURE_DATA
     &RESTART  SILENT
       BACKUP_COPIES               0
       &EACH
         MD               1
       &END EACH
     &END RESTART
   &END PRINT
 &END MOTION
 &FORCE_EVAL
   &DFT
     &SCF
       MAX_SCF              30
       EPS_SCF     2.5000000000000001E-05
       SCF_GUESS  ATOMIC
       &OT  T
         MINIMIZER  DIIS
         STEPSIZE     1.2500000000000000E-01
         PRECONDITIONER  FULL_SINGLE_INVERSE
       &END OT
       &OUTER_SCF  T
         TYPE  NONE
         OPTIMIZER  NONE
         EPS_SCF     2.5000000000000001E-05
         MAX_SCF              25
       &END OUTER_SCF
       &PRINT
         &RESTART  SILENT
           BACKUP_COPIES               0
           &EACH
             QS_SCF               0
             MD              10
           &END EACH
         &END RESTART
         &RESTART_HISTORY  OFF
         &END RESTART_HISTORY
       &END PRINT
     &END SCF
     &QS
       EXTRAPOLATION  ASPC
       EXTRAPOLATION_ORDER               3
       METHOD  DFTB
       &DFTB
         SELF_CONSISTENT  T
         DO_EWALD  T
         DISPERSION  F
         HB_SR_GAMMA  F
         &PARAMETER
           SK_FILE H H hh.spl
           SK_FILE O O oo_modi.spl
           SK_FILE H O ho_modi.spl
           SK_FILE O H oh_modi.spl
           SK_FILE H C hc.spl
           SK_FILE H N hn_modi.spl
           SK_FILE O C oc.spl
           SK_FILE O N on.spl
           SK_FILE C C cc.spl
           SK_FILE C H ch.spl
           SK_FILE C O co.spl
           SK_FILE C N cn.spl
           SK_FILE N N nn.spl
           SK_FILE N H nh_modi.spl
           SK_FILE N O no.spl
           SK_FILE N C nc.spl
           PARAM_FILE_PATH /project/hydroqmd/karhan/DFTB_Potentials
           UFF_FORCE_FIELD ./uff_table
         &END PARAMETER
       &END DFTB
     &END QS
     &POISSON
       POISSON_SOLVER  PERIODIC
       PERIODIC  XYZ
       &EWALD
         EWALD_TYPE  SPME
         GMAX              64             64             64
         O_SPLINE               8
       &END EWALD
     &END POISSON
   &END DFT
   &SUBSYS
     &CELL
       A     5.0000000000000007E+01    0.0000000000000000E+00    
0.0000000000000000E+00
       B     0.0000000000000000E+00    5.0000000000000007E+01    
0.0000000000000000E+00
       C     0.0000000000000000E+00    0.0000000000000000E+00    
5.0000000000000007E+01
       PERIODIC  XYZ
       MULTIPLE_UNIT_CELL               1              1              1
     &END CELL
     &COORD
N    6.4863600238239014E+00    7.9452958208669209E+00    
4.3811519133811743E+00
N    6.4817443214184456E+00    8.9492944923911804E+00    
5.1875003519654053E+00
C    7.3702837323744204E+00    8.3510844411529881E+00    
3.2750189875670945E+00
O    7.5914884553446536E+00    7.5835865377744716E+00    
2.3256436134573133E+00
O    7.8038432189815330E+00    9.6470615445280590E+00    
3.2957387593786471E+00
C    5.2966361697764661E+00    8.7635096279154379E+00    
6.0879785246984985E+00
O    5.4223103070358940E+00    8.3471836533820483E+00    
7.2429722983093150E+00
O    4.2278284203415577E+00    9.2217842226229418E+00    
5.4727761414753395E+00
C    8.5774950357864572E+00    9.8758032619614511E+00    
2.1602958118292794E+00
H    9.4259446563875855E+00    1.0544105803141415E+01    
2.3020923828630799E+00
H    8.1150524307825567E+00    1.0491990498402613E+01    
1.3437395214263403E+00
H    8.9608537662464833E+00    8.9046038681123481E+00    
1.6995822382638803E+00
C    3.1572303067817855E+00    9.5591918465029320E+00    
6.4124664969969984E+00
H    3.5101533861302410E+00    1.0371862975053077E+01    
7.0695470825594260E+00
H    2.8793773250950592E+00    8.6659415560324664E+00    
7.0375952252716747E+00
H    2.3010145326258247E+00    9.9018010376686654E+00    
5.7747120599502626E+00
C    8.1571839790278489E+00    8.0737143833624909E+00    
6.5834813125921672E+00
H    7.0804373019682068E+00    6.3867362620413433E+00    
5.5610965902309095E+00
C    8.0285215871959164E+00    6.8217807256907399E+00    
5.7529943357120761E+00
C    9.5729117672058504E+00    8.6453887469255992E+00    
6.2694870647359746E+00
H    9.8659076182145640E+00    9.6776331319193289E+00    
6.5669459277751256E+00
C    9.3137787937986936E+00    6.7800703415764216E+00    
4.9940195489849764E+00
H    9.3676542064073907E+00    6.0942922775424213E+00    
4.1601291463034489E+00
C    9.2509797486619867E+00    6.2135605638778060E+00    
6.4020780348033890E+00
H    9.4451128627729837E+00    5.2291382672941307E+00    
6.8717049552367095E+00
C    9.4897728798682515E+00    7.5067645805415495E+00    
7.2050860086035522E+00
H    9.5955395563849191E+00    7.5857485813431413E+00    
8.2587574870627787E+00
C    9.9900742917113714E+00    8.1512651643818295E+00    
4.9369522860695945E+00
H    1.1079527194924999E+01    7.9551265322224332E+00    
5.1201021184562912E+00
H    9.8822230615353863E+00    8.9468996329368746E+00    
4.1833081884005665E+00
H    7.4943003234676606E+00    8.4957468855948886E+00    
7.3459272740077433E+00
     &END COORD
     &VELOCITY
          -5.4464047916049728E-05    5.0701275473243078E-04    
1.4865379449609364E-04
          -2.5290376227568389E-04   -6.4696131246640650E-05    
2.1161162407736534E-04
          -1.8241501200286838E-04    1.2759423849687172E-04   
-6.7863000610037314E-05
           1.2348408062068245E-04   -1.1159317965976608E-04    
3.8602275835755695E-04
          -2.9568145976398378E-06   -1.9173940006441157E-04   
-2.2988677664155545E-05
          -4.9213361144708140E-04    2.4215013200921623E-04    
2.2059691338757742E-04
           2.9064396154276256E-04    3.6459206560567002E-05   
-2.7442762707431011E-04
          -7.4568861262718406E-05    1.2270009700022567E-04   
-6.0263619973598273E-05
           2.2360259562425642E-04   -3.6439199948875195E-04    
4.3194237040178817E-04
           5.6144050914807913E-04    4.4836098159556440E-04   
-7.3570131818170023E-04
          -1.3338709004666704E-03   -6.9848566396243870E-05   
-3.2486777962354693E-04
          -1.4464022629033903E-03    5.4936251424604371E-04   
-1.9611387623248338E-03
           2.1582183658771460E-04   -9.0834591612543939E-05    
6.8509521953965622E-05
           5.3956123275813528E-04    2.0282001400137180E-04    
5.3224662655143923E-05
          -2.8823764910735500E-04   -5.2237448542059243E-04   
-7.4690506308711026E-04
           5.5441385132571860E-04   -5.7731293914302644E-04    
8.9177860285717843E-04
           7.7623745111323714E-05   -6.6421453571909150E-05   
-1.8616568620008554E-04
           5.5637524505931693E-04    3.3141700409184397E-04   
-8.2971829406330361E-05
          -2.4024192521236612E-04   -1.7357121282885130E-04   
-1.9988977845039241E-04
           4.3204225595278090E-05    3.7231299827716543E-06   
-3.3443532870428591E-04
          -3.3120349640486542E-04    1.8874642836182542E-04   
-6.0979211559954399E-04
          -1.0888136750200859E-04   -1.7706813569056033E-04    
4.2035601936126370E-05
          -9.9251102207241352E-04    1.1633550850525009E-04   
-2.0490479674692042E-03
          -4.4669392430647584E-05   -2.4628486416057295E-04   
-9.6711968393699461E-05
           1.2314151225628295E-03    1.0861563982543529E-03   
-6.6449228186268947E-04
           2.3112571564821251E-05    2.4241699421019363E-04   
-7.9311927159056446E-06
          -1.5846131258884669E-03    1.1692160493469968E-04    
5.3410311720093859E-04
           5.8908914332580521E-04    1.2461706608152737E-04    
1.3525499103248984E-04
          -1.0570722959344367E-03   -1.0959582962172501E-04   
-6.8061819778573020E-04
           8.5893117056819971E-04    8.3215539155862285E-05   
-3.9538049723051189E-04
           4.1943881318544835E-04   -1.1971583367067248E-03    
1.2518734284727793E-03
     &END VELOCITY
     &TOPOLOGY
       COORD_FILE_NAME 235pm.xyz
       COORD_FILE_FORMAT  XYZ
       NUMBER_OF_ATOMS              31
       MULTIPLE_UNIT_CELL               1              1              1
     &END TOPOLOGY
     &COLVAR
       &DISTANCE
         ATOMS               1             19
       &END DISTANCE
     &END COLVAR
     &COLVAR
       &DISTANCE
         ATOMS               2             17
       &END DISTANCE
     &END COLVAR
   &END SUBSYS
 &END FORCE_EVAL
*#EOF*
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Output:
[...]
*** SCF run converged in     7 steps ***


  Core Hamiltonian energy:                                    
-43.37182167916384
  Repulsive potential energy:                                   
1.17589868046140
  Electronic energy:                                            
0.06298606193450
  Dispersion energy:                                            
0.00000000000000

  Total energy:                                               
-42.13293693676793

  outer SCF iter =    2 RMS gradient =   0.24E-04 energy =        
-42.1329369368
  outer SCF loop converged in   2 iterations or   37 steps


        Repulsive pair potential energy:                           
1.1758986805
        Zeroth order Hamiltonian energy:                         
-43.3718318718
        Charge fluctuation energy:                                 
0.0629956753
        London dispersion energy:                                  
0.0000000000


 FORCES [a.u.]

  Atom    Kind        Component        X           Y           Z

     1       1     all_potential    -0.273151   -0.835888   -0.227235
     1       1           overlap     0.188408    0.462566    0.107691
     1       1      overlap_admm     0.000000    0.000000    0.000000
     1       1          rho_elec          NaN         NaN    0.010310
     1       1         repulsive     0.069008    0.319909    0.142989
     1       1        dispersion     0.000000    0.000000    0.000000
     1       1             total          NaN         NaN    0.033756
[...]
  Sum of total                            NaN         NaN   -0.000000

 ENERGY| Total FORCE_EVAL ( QS ) energy (a.u.):              
-42.132937515994506


 ATOMIC FORCES in [a.u.]

 # Atom   Kind   Element          X              Y              Z
      1      1      N                  NaN            NaN    -0.03375607
      2      1      N                  NaN            NaN     0.01464264
      3      2      C                  NaN            NaN    -0.02850964
      4      3      O                  NaN            NaN     0.03379040
      5      3      O                  NaN            NaN    -0.00238376
[...]
 SUM OF ATOMIC FORCES                  NaN            NaN     
0.00000000            NaN

 MD_ENERGIES| Initialization proceeding


 ******************************** GO CP2K GO! 
**********************************
 INITIAL POTENTIAL ENERGY[hartree]     =                     
-0.421329375160E+02
 INITIAL KINETIC ENERGY[hartree]       =                      
0.441770740388E-01
 INITIAL TEMPERATURE[K]                =                                 
317.045
 INITIAL VOLUME[bohr^3]                =                      
0.843541822886E+06
 INITIAL CELL LNTHS[bohr]   =      0.9448631E+02   0.9448631E+02   
0.9448631E+02
 INITIAL CELL ANGLS[deg]    =      0.9000000E+02   0.9000000E+02   
0.9000000E+02
 ******************************** GO CP2K GO! 
**********************************
SHAKE_INFO|  External Shake      Nr. Iterations:     1 Max. Err.:    
0.000000000

 DISTRIBUTION OF THE NEIGHBOR LISTS
              Total number of particle 
pairs:                                  0
              Total number of matrix 
elements:                                 0
              Average number of particle 
pairs:                                0
              Maximum number of particle 
pairs:                                0
              Average number of matrix 
element:                                0
              Maximum number of matrix 
elements:                               0

 Number of 
electrons:                                                         92
 Number of occupied 
orbitals:                                                 46
 Number of molecular 
orbitals:                                                46

 Number of orbital 
functions:                                                 82
 Number of independent orbital 
functions:                                     82

  Parameters for the always stable predictor-corrector (ASPC) method:

  ASPC order: 0

  B(1) =   1.000000

 *****************************************************************************
 *** 17:30:26 ERRORL2 in cp_fm_cholesky:cp_fm_cholesky_decompose processor 
***
 *** 0  err=-300 condition FAILED at line 102                              
***
 *****************************************************************************


 ===== Routine Calling Stack =====

           11 cp_fm_cholesky_decompose
           10 make_basis_sm
            9 qs_env_reorthogonalize_vectors
            8 wfi_extrapolate
            7 scf_env_initial_rho_setup
            6 init_scf_run
            5 qs_energies_scf
            4 qs_forces
            3 velocity_verlet
            2 qs_mol_dyn_low
            1 CP2K
*#EOF*
===========================================================



System 2:
===========================================================
Input:
&GLOBAL
  PROJECT iw-T_290
  WALLTIME 7000 #sec
  RUN_TYPE MD
  PRINT_LEVEL HIGH
&END GLOBAL
@SET RE-START 0
#&EXT_RESTART
#  RESTART_FILE_NAME iw-MD_290-1.restart
#  @SET RE-START 1
#&END EXT_RESTART

&MOTION
 &CONSTRAINT
     &COLLECTIVE
       COLVAR 1
       TARGET [angstrom] 2.9
       INTERMOLECULAR TRUE
     &END COLLECTIVE
     &COLLECTIVE
       COLVAR 2
       TARGET [angstrom] 2.9
       INTERMOLECULAR TRUE
     &END COLLECTIVE
     &LAGRANGE_MULTIPLIERS
       FILENAME =iw-MD_290.lag
     &END LAGRANGE_MULTIPLIERS
   &END CONSTRAINT
   &MD
     ENSEMBLE NVT 
     STEPS 050
     TIMESTEP 0.5
     TEMPERATURE 300.0
     &THERMAL_REGION
      FORCE_RESCALING
      &DEFINE_REGION
       LIST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 
50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 
75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 
100 
       LIST 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 
136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 
155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 
174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 
193 194 195 196 197 198 199 200
       LIST 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 
217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 
236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 
255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 
274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 
293 294 295 296 297 298 299 300
       LIST 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 
317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 
336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 
355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 
374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 
393 394 395 396 397 398 399 400
       LIST 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 
417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 
436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 
455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 
474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 
493 494 495 496 497 498 499 500
       LIST 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 
517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 
536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 
555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 
574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 
593 594 595 596 597 598 599 600
       LIST 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 
617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 
       TEMP_TOL 150
       TEMPERATURE 300.0
      &END DEFINE_REGION
     &END THERMAL_REGION
    &THERMOSTAT
     REGION GLOBAL
     TYPE CSVR
     &CSVR
     TIMECON 25.0
     &END CSVR
    &END THERMOSTAT
   &END MD
   &PRINT
     &TRAJECTORY
     # SECTION_PARAMETERS LOW
      UNIT angstrom
      FORMAT XYZ
      &EACH
       MD 500
      &END EACH
     &END TRAJECTORY
     &VELOCITIES
     # SECTION_PARAMETERS HIGH
      UNIT angstrom*fs^-1
      FORMAT XYZ
      &EACH
       MD 10
      &END EACH
     &END VELOCITIES
     &RESTART
       BACKUP_COPIES 0
       &EACH
         MD 1
       &END EACH
     &END RESTART
     &STRUCTURE_DATA
       DISTANCE 601 619
       DISTANCE 602 617
       FILENAME =iw-MD_290.dist
     &END STRUCTURE_DATA
   &END PRINT
&END MOTION
&FORCE_EVAL
  &DFT
    &QS
      METHOD DFTB
      &DFTB
        DO_EWALD           T
        SELF_CONSISTENT    T
        DISPERSION         F
        HB_SR_GAMMA        F
        &PARAMETER
          PARAM_FILE_PATH /project/hydroqmd/karhan/DFTB_Potentials
          SK_FILE H H hh.spl
          SK_FILE O O oo_modi.spl
          SK_FILE H O ho_modi.spl
          SK_FILE O H oh_modi.spl
          SK_FILE H C hc.spl
          SK_FILE H N hn_modi.spl
          SK_FILE O C oc.spl
          SK_FILE O N on.spl
          SK_FILE C C cc.spl
          SK_FILE C H ch.spl
          SK_FILE C O co.spl
          SK_FILE C N cn.spl
          SK_FILE N N nn.spl
          SK_FILE N H nh_modi.spl
          SK_FILE N O no.spl
          SK_FILE N C nc.spl
          UFF_FORCE_FIELD  ./uff_table
        &END PARAMETER
      &END DFTB
      EXTRAPOLATION ASPC
      EXTRAPOLATION_ORDER 3 #0
    &END QS
    &SCF
      @IF ${RE-START} == 1
      SCF_GUESS ATOMIC
      @ENDIF
      @IF ${RE-START} /= 1 
      SCF_GUESS ATOMIC
      @ENDIF
      EPS_SCF 25.0E-6
      MAX_SCF 30
      &OT ON
        MINIMIZER DIIS
        PRECONDITIONER FULL_SINGLE_INVERSE
        STEPSIZE 0.125
      &END OT
      &OUTER_SCF
        TYPE NONE
        OPTIMIZER NONE
        EPS_SCF 25.0E-6
        MAX_SCF 25
      &END OUTER_SCF
      &PRINT
        &RESTART
          BACKUP_COPIES 0
        &END RESTART
        &RESTART_HISTORY OFF
        &END RESTART_HISTORY
      &END PRINT
    &END SCF
    &POISSON
      PERIODIC XYZ
      POISSON_SOLVER PERIODIC
      &EWALD
       EWALD_TYPE SPME
       GMAX 22 22 22
       O_SPLINE 8
      &END EWALD
    &END POISSON
  &END DFT
  &SUBSYS
    &CELL
      ABC 18.5 18.5 18.5
      PERIODIC XYZ
    &END CELL
    &TOPOLOGY
      COORD_FILE_NAME 290pm.xyz
      COORDINATE XYZ
    &END TOPOLOGY
    &COLVAR
      &DISTANCE
        ATOMS 601 619
      &END DISTANCE
    &END COLVAR
    &COLVAR
      &DISTANCE
        ATOMS 602 617
      &END DISTANCE
    &END COLVAR
  &END SUBSYS
 # STRESS_TENSOR ANALYTICAL
&END FORCE_EVAL
*#EOF*
----------------------------------------------------------------------------------
Output:
[...]
 *** SCF run converged in     7 steps ***


  Core Hamiltonian energy:                                   
-870.20346624911110
  Repulsive potential energy:                                  
14.53194654350423
  Electronic energy:                                            
4.55640608012233
  Dispersion energy:                                            
0.00000000000000

  Total energy:                                              
-851.11511362548458

  outer SCF iter =    2 RMS gradient =   0.20E-04 energy =       
-851.1151136255
  outer SCF loop converged in   2 iterations or   37 steps


        Repulsive pair potential energy:                          
14.5319465435
        Zeroth order Hamiltonian energy:                        
-870.2041392509
        Charge fluctuation energy:                                 
4.5568602523
        London dispersion energy:                                  
0.0000000000


 FORCES [a.u.]

  Atom    Kind        Component        X           Y           Z

     1       1     all_potential    -0.266485    0.249637   -0.056982
     1       1           overlap     0.153856   -0.126249    0.036563
     1       1      overlap_admm     0.000000    0.000000    0.000000
     1       1          rho_elec          NaN         NaN    0.001861
     1       1         repulsive     0.094985   -0.103863    0.015790
     1       1        dispersion     0.000000    0.000000    0.000000
     1       1             total          NaN         NaN   -0.002769
[...]
 Sum of total                            NaN         NaN   -0.000010

 ENERGY| Total FORCE_EVAL ( QS ) energy (a.u.):             
-851.115332455143744


 ATOMIC FORCES in [a.u.]

 # Atom   Kind   Element          X              Y              Z
      1      1      H                  NaN            NaN     0.00276854
      2      1      H                  NaN            NaN     0.00557624
      3      2      O                  NaN            NaN    -0.00447146
      4      1      H                  NaN            NaN    -0.00613486
      5      1      H                  NaN            NaN    -0.01651623
[...]
 SUM OF ATOMIC FORCES                  NaN            NaN     
0.00000956            NaN

 MD_ENERGIES| Initialization proceeding


 ******************************** GO CP2K GO! 
**********************************
 INITIAL POTENTIAL ENERGY[hartree]     =                     
-0.851115332455E+03
 INITIAL KINETIC ENERGY[hartree]       =                      
0.899217216726E+00
 INITIAL TEMPERATURE[K]                =                                 
300.794
 INITIAL VOLUME[bohr^3]                =                      
0.427279239547E+05
 INITIAL CELL LNTHS[bohr]   =      0.3495993E+02   0.3495993E+02   
0.3495993E+02
 INITIAL CELL ANGLS[deg]    =      0.9000000E+02   0.9000000E+02   
0.9000000E+02
 ******************************** GO CP2K GO! 
**********************************

 *** 11:26:41 WARNING in md_energies:md_write_output The print_key     ***
 *** MD%PRINT%TEMP_KIND has been activated but the calculation of the  ***
 *** temperature per kind has not been requested. Please switch on the ***
 *** keyword MD%TEMP_KIND. md_energies.F line    506                   ***

SHAKE_INFO|  External Shake      Nr. Iterations:     1 Max. Err.:    
0.000000000

 DISTRIBUTION OF THE NEIGHBOR LISTS
              Total number of particle 
pairs:                                  0
              Total number of matrix 
elements:                                 0
              Average number of particle 
pairs:                                0
              Maximum number of particle 
pairs:                                0
              Average number of matrix 
element:                                0
              Maximum number of matrix 
elements:                               0

 Number of electrons:                                                       
1692
 Number of occupied 
orbitals:                                                846
 Number of molecular 
orbitals:                                               846

 Number of orbital functions:                                               
1282
 Number of independent orbital functions:                                   
1282

  Parameters for the always stable predictor-corrector (ASPC) method:

  ASPC order: 0

  B(1) =   1.000000

 *****************************************************************************
 *** 11:26:41 ERRORL2 in cp_fm_cholesky:cp_fm_cholesky_decompose processor 
***
 *** 0  err=-300 condition FAILED at line 102                              
***
 *****************************************************************************


 ===== Routine Calling Stack ===== 

           11 cp_fm_cholesky_decompose
           10 make_basis_sm
            9 qs_env_reorthogonalize_vectors
            8 wfi_extrapolate
            7 scf_env_initial_rho_setup
            6 init_scf_run
            5 qs_energies_scf
            4 qs_forces
            3 velocity_verlet
            2 qs_mol_dyn_low
            1 CP2K
*#EOF*
=========================================
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