[CP2K:2463] cannot restart with constraint/restraint

Liu xiand... at gmail.com
Thu Dec 10 08:58:39 UTC 2009


Hi Teo,

What I want to do is to restrain the 3 colvars to the respective target
values.
So the connectivity does not matter.

Liu.

2009/12/10 Teodoro Laino <teodor... at gmail.com>

> It is not a matter of using a specific keyword. It is a matter of
> understanding what you are doing.
> If you specify INTERMOLECULAR the topology will still be built: you may
> not get that error but the problem is still there.
>
> I see in your coord section you specify  a molname for only few atoms:
> why? and why not for all?
> do you wish to have a connectivity built or not?
> do you want to specify a restraint for intermolecular or intramolecular ?
> in short words: what do you want to do?
>
> Teo
>
> Liu wrote:
> >
> > 1) is ruled out. the restraint was there, so the geometry didnot explode.
> >
> > 2).INTERMOLECULER
> >  Maybe I should have used this keyword ?
> > So no connectivity was needed any longer .
> >
> > Am I right ?
> >
> > Liu
> >
> > 2009/12/10 Liu <xiand... at gmail.com <mailto:xiand... at gmail.com>>
> >
> >     Hi Teo,
> >
> >     the input is as follows,
> >
> >
> >     &FORCE_EVAL
> >       METHOD Quickstep
> >
> >       &DFT
> >         POTENTIAL_FILE_NAME GTH_POTENTIALS
> >         BASIS_SET_FILE_NAME GTH_BASIS_SETS
> >         CHARGE 2
> >         &MGRID
> >           CUTOFF 320
> >         &END MGRID
> >         &QS
> >          EPS_DEFAULT 1.0E-12
> >         &END QS
> >         &SCF
> >           &OT T
> >            MINIMIZER DIIS
> >           &END OT
> >           EPS_SCF 1.0E-6
> >
> >           SCF_GUESS RESTART
> >           MAX_SCF 110
> >         &END SCF
> >         &XC
> >           &XC_FUNCTIONAL BLYP
> >           &END XC_FUNCTIONAL
> >         &END XC
> >       &END DFT
> >       &SUBSYS
> >         &CELL
> >           ABC 10.50 10.50 10.50
> >           ALPHA_BETA_GAMMA 90.0000 90.0000 90.0000
> >         &END CELL
> >
> >          &COLVAR
> >           &DISTANCE
> >            ATOMS 13 1
> >           &END DISTANCE
> >          &END COLVAR
> >          &COLVAR
> >           &ANGLE
> >            ATOMS 13 1 14
> >           &END ANGLE
> >          &END COLVAR
> >          &COLVAR
> >           &ANGLE
> >            ATOMS 13 1 19
> >           &END ANGLE
> >          &END COLVAR
> >         &COORD
> >      O      4.945624262365      5.235220805899      8.003244927409 mol
> >      O      4.007891695360      3.552175895176      5.977360545441 mol
> >      O      2.285433270467      5.417764639023      6.897323134184 mol
> >      O      5.936765184537      5.829000559392      5.593775858772 mol
> >      O      4.183440185942      7.470635689797      6.674994934445 mol
> >      O      3.439793446681      5.742570923209      4.488746955268 mol
> >      H      1.793348652560      4.673685333363      6.448632172866 mol
> >      H      1.975552174635      5.586491381857      7.823579691797 mol
> >      H      6.341196051434      6.210453911837      4.735768436262 mol
> >      H      6.691670293500      5.986498079468      6.262057248960 mol
> >      H      3.355172624465      7.888242164427      6.980928704617 mol
> >      H      4.800145134415      8.144564641311      6.279932035506 mol
> >      H1     5.024438896426      4.333073695541      8.420372999423 mol
> >      H      5.417966958607      5.879810696856      8.656369353769 mol
> >      H      4.044612590192      5.703785764108      3.692496314811 mol
> >      H      2.635152794031      6.238242225502      4.179846355098 mol
> >      H      4.789074411431      2.978145753930      6.248397019420 mol
> >      H      3.308516986446      3.025660313636      5.420256518302 mol
> >      Al      4.199165250044      5.577278113875      6.261316460312
> >     mol
> >      O      1.929962666627      2.386347797671      4.459074121571
> >      O      1.952979070957      0.358546555482      9.269519490418
> >      O      0.026958456120      2.197269503272      8.735038598236
> >      O     -1.362279675283      6.955540825025      1.744054996031
> >      O     -2.899500082333      1.789177922013      2.425421734762
> >      O     -2.274297024247      5.797133615346      7.045592606844
> >      O      1.445305003994      7.051219378572      3.715192156899
> >      O      0.940001451447      4.990446887363      9.698689854397
> >      O      0.031348798328     11.381839465447      1.904616048439
> >      O     -3.581560970691      9.411668100190     12.775652442937
> >      O     -1.647961298578      9.922630983793      8.321980647542
> >      O      0.106325557834     -1.237262561258      0.213551451909
> >      O      4.599334494386      0.610540436556      2.704211560407
> >      O      6.110865497086      2.836144155293      9.037244996699
> >      O      8.444963101791     12.757951977677      5.545652221781
> >      O      4.717343810939      5.987976596723      1.780097066543
> >      O      6.784715588065      6.889213503169      3.276373325092
> >      O      0.383247580198     14.072985902428      6.230493216461
> >      O      3.234318655214      3.857825154773      0.818868910110
> >      O      1.963164530700      8.951099554455      7.068571426781
> >      O      6.144029555568      6.796223574397      9.580179213359
> >      O      8.048882212076      9.883185225311      4.810587174940
> >      O      2.473675663501     10.303668237070      4.613284200787
> >      O      3.999780862821      1.198425534797      0.139239985704
> >      O      5.918103249911      1.825332131822      6.347934161668
> >      O      5.870936669144     -0.907093857702      6.224645660032
> >      O      8.497631912579      3.194191743002     -0.218198563998
> >      O     10.562268276538      4.605445613458      2.706189110743
> >      O      9.937102032317      8.200210165838      6.102555829864
> >      O      8.599241385563      5.812668445953      9.929894326533
> >      O      2.711405118216      8.000171931520     11.614265439006
> >      O      6.448641165374      9.853545022641     10.091854412172
> >      H      2.094505467531      1.370769732124      4.450185540604
> >      H      1.766899467254      2.576096119515      3.490475988652
> >      H      1.282647036726     -0.136316253288      9.811359473370
> >      H      2.655785237669      0.719499451687      9.879362070408
> >      H     -0.608993486319      2.410722591791      9.424195138941
> >      H      0.567781798217      1.367820187953      8.901435796804
> >      H     -0.746695201051      7.579922756681      1.272004746797
> >      H     -0.756268349803      6.209154398982      2.121980920129
> >      H     -2.895078695179      0.880540905683      2.018484814746
> >      H     -3.812114079147      1.945095390040      2.723542853332
> >      H     -1.450477955480      5.414594613020      6.547688311675
> >      H     -2.100265303911      5.762411444564      7.988207299506
> >      H      0.856199581228      7.443072324347      4.447509731648
> >      H      1.683787441702      7.732202944333      3.062648462236
> >      H      0.914577100384      3.982820700161      9.483944679985
> >      H     -0.013545868383      5.297204143626      9.652724302908
> >      H      0.842855940551     11.867508142867      1.624433490893
> >      H     -0.554679549011     12.094267611684      2.329428790545
> >      H     -3.648772260742      9.475561082667     11.749156370492
> >      H     -3.946707998081      8.505718208125     13.033750646306
> >      H     -1.349673886536     10.831974112009      7.968158045454
> >      H     -1.467941976087      9.098874977651      7.662349937164
> >      H     -0.157891145685     -0.548152766129      0.913773510052
> >      H     -0.486176442427     -1.036451242486     -0.545737942048
> >      H      5.285066261429     -0.057476231123      2.694625810112
> >      H      4.079966836623      0.551927307125      3.573612525248
> >      H      6.015753238192      2.297712230229      8.175869506495
> >      H      5.470262328903      2.382741162434      9.713210640781
> >      H      9.282217259184     13.252061003334      5.800368726315
> >      H      8.310801713089     13.069470210375      4.633682212258
> >      H      4.392983089723      5.075736957232      1.274546475430
> >      H      3.981000248919      6.671489138137      1.565186021664
> >      H      7.666107418592      6.715687507639      2.810668805098
> >      H      6.049329065526      6.466893192597      2.736263305956
> >      H      0.792787273346     13.490990322042      5.543123131905
> >      H      0.418620204652     13.482889458348      7.083779005514
> >      H      2.540452439292      4.509285556271      0.546998335709
> >      H      3.399993082999      3.414505470904     -0.002840227708
> >      H      1.032218251313      8.673654190202      7.041983379026
> >      H      2.094522687566      9.533513585930      7.911335251137
> >      H      5.836279591854      6.578895551319     10.522628960955
> >      H      7.128416505935      6.551955664875      9.651665340638
> >      H      8.334130619874     10.823573762782      5.138777207840
> >      H      7.835191538334     10.053541130268      3.845182999807
> >      H      2.002893030136      9.680973570920      4.067457026619
> >      H      2.302316195807     10.008164610561      5.548627414794
> >      H      4.271980573949      1.089340786239      1.114383694195
> >      H      4.742087428870      0.658613977652     -0.337748849214
> >      H      5.834805046820      0.889378508637      6.043605489317
> >      H      6.885651604423      2.000027177721      6.057665925746
> >      H      6.514304273259     -0.920000002808      6.971136480943
> >      H      6.480216340233     -0.978037422098      5.424181543392
> >      H      7.718541069821      3.011662500946     -0.863906539993
> >      H      8.130716210257      2.931264814758      0.649970337419
> >      H     11.396873489626      5.053367889582      2.899398079628
> >      H     10.639341197546      4.446886981342      1.681298091029
> >      H      9.275748751503      8.741134402620      5.594644857244
> >      H      9.508184542015      7.278563165823      6.211855784019
> >      H      8.456691240675      4.796394786938     10.089977970213
> >      H      8.591160601702      6.196940377323     10.904893066768
> >      H      1.850384315640      7.951775925152     11.140192575907
> >      H      2.859191674027      8.984887322643     11.845765015442
> >      H      6.092174319778      8.925042319655      9.772217739704
> >      H      7.222986151208      9.962961083214      9.512548867753
> >         &END COORD
> >         &KIND H
> >           BASIS_SET TZV2P-GTH
> >           POTENTIAL GTH-BLYP-q1
> >         &END KIND
> >         &KIND H1
> >           BASIS_SET NONE
> >           POTENTIAL GTH-BLYP-q1
> >           GHOST
> >         &END KIND
> >         &KIND O
> >           BASIS_SET TZV2P-GTH
> >           POTENTIAL GTH-BLYP-q6
> >         &END KIND
> >         &KIND Al
> >           BASIS_SET DZVP-GTH
> >           POTENTIAL GTH-BLYP-q3
> >         &END KIND
> >
> >       &END SUBSYS
> >     &END FORCE_EVAL
> >     &GLOBAL
> >
> >       PROJECT A
> >       RUN_TYPE MD
> >       PRINT_LEVEL MEDIUM
> >       &PRINT
> >        &EACH
> >
> >        &END EACH
> >       &END PRINT
> >     &END GLOBAL
> >     &MOTION
> >
> >        &CONSTRAINT
> >          &COLLECTIVE
> >            TARGET   1.89
> >            MOLECULE 1
> >            COLVAR 1
> >            &RESTRAINT
> >             k 0.1
> >            &END RESTRAINT
> >          &END COLLECTIVE
> >          &COLLECTIVE
> >            TARGET   1.869
> >            MOLECULE 1
> >            COLVAR 2
> >            &RESTRAINT
> >             k 0.1
> >            &END RESTRAINT
> >          &END COLLECTIVE
> >          &COLLECTIVE
> >            TARGET 2.1457
> >            MOLECULE 1
> >            COLVAR 3
> >            &RESTRAINT
> >             k 0.1
> >            &END RESTRAINT
> >          &END COLLECTIVE
> >       &END CONSTRAINT
> >       &MD
> >         ENSEMBLE NVT
> >         STEPS 50000
> >         TIMESTEP 0.5
> >         TEMPERATURE 330.0
> >
> >         &THERMOSTAT
> >           &NOSE
> >             LENGTH 3
> >             YOSHIDA 3
> >             TIMECON 1000.0
> >             MTS 2
> >           &END NOSE
> >         &END THERMOSTAT
> >       &END MD
> >
> >       &PRINT
> >        &TRAJECTORY
> >          &EACH
> >           MD 20
> >          &END EACH
> >        &END TRAJECTORY
> >       &END PRINT
> >
> >     &END MOTION
> >
> >
> >     could you please give some further comment on this ?
> >
> >     Thanks for your help
> >
> >     Liu
> >
> >     2009/12/10 Teodoro Laino <teodor... at gmail.com
> >     <mailto:teodor... at gmail.com>>
> >
> >         Basically this issue has many different sources. The two most
> >         important:
> >
> >         -) The first problem is that you should seriously think if you
> >         want
> >         help: in this case next time I would recommend to send the
> >         entire input
> >         file and not just pieces of it.
> >
> >         -) The second problem is that CP2K has not a manual: it is
> >         difficult to
> >         learn but we do provide (for extremely motivated people) quite
> >         a big
> >         number of working input files, which cover most of its
> >         functionalities.
> >         It would be ideal that before mixing keywords and subsections
> >         you would
> >         train yourself trying first to understand (on your own) what
> >         is the
> >         logic of the code.
> >
> >         Having said that, based on the minimal amount of information
> >         you sent
> >         us, I can try to guess:
> >
> >         1) probably  you ask cp2k to build the topology. At the
> >         beginning the
> >         geometry is reasonable and cp2k is able to build a correct
> >         connectivity.
> >         When you restart (connectivity is not restartable!) cp2k
> >         builds a new
> >         connectivity and very probably your input
> >         file is so well tuned that the system just explodes -> new
> >         connectivity
> >         is a mess -> the intramolecular constraint cannot be applied
> (your
> >         restratins is intramolecular!!)
> >
> >         2) with the restraint setup below (the only piece you have
> >         sent) you are
> >         specifying the same restraint for all molecular types 1. if
> >         you want to
> >         apply just 1 restraint (between two atoms not belonging to the
> >         same
> >         molecule) there is a keyword to be specified:
> >
> http://cp2k.berlios.de/manual/CP2K_INPUT/MOTION/CONSTRAINT/COLLECTIVE.html#desc_INTERMOLECULAR
> >
> >         3) if you really want to have the same restraint appled to all
> >         molecular
> >         types 1 then I would recommend you to have a topology file.
> >         This will
> >         guarantee that even if you are trying to simulate the "big
> >         bang" the
> >         specification of molecular connectivity will not depend on how
> >         far are
> >         the atoms.
> >
> >         4) if you don't need the connectivity (because your goal is to
> >         model
> >         some explosion [for example..]) then just disable the
> >         generation of the
> >         connectivity.
> >
> >         Since the possible sources are many (because mainly we cannot
> >         understand
> >         what you really want to do!) I would suggest you : take your
> >         time, think
> >         what you want to do with cp2k and your present run.
> >
> >         Teo
> >
> >
> >         Liu wrote:
> >         > Hi all,
> >         >
> >         > I used the following COLVAR and CONSTRAINT to do a MD run
> >         and it goes
> >         > well.
> >         >
> >         >      &COLVAR
> >         >       &DISTANCE
> >         >        ATOMS 13 1
> >         >       &END DISTANCE
> >         >      &END COLVAR
> >         >
> >         >    &CONSTRAINT
> >         >      &COLLECTIVE
> >         >        TARGET   1.89
> >         >        MOLECULE 1
> >         >        COLVAR 1
> >         >        &RESTRAINT
> >         >         k 0.1
> >         >        &END RESTRAINT
> >         >      &END COLLECTIVE
> >         >
> >         >   &END CONSTRAINT
> >         >
> >         > When I added this:
> >         > &EXT_RESTART
> >         >  RESTART_FILE_NAME A-1.restart
> >         >  RESTART_DEFAULT TRUE
> >         > &END EXT_RESTART
> >         >
> >         > the error happened:
> >         >
> >         >     |  Error in constraints setup!
> >         >     |  A constraint has been defined for a molecule type
> >         >     |   but the atoms specified in the constraint and the a
>  |
> >         > Error in constraints setup!
> >         >     |  A constraint has been defined for a molecule type
> >         >     |   but the atoms specified in the constraint and the atoms
> >         > defined for
> >         >     |   the molecule DO NOT match!
> >         >
> >         > Any suggestion is appreciated !
> >         >
> >         > cheers,
> >         > Liu
> >         >
> >         > --
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