Dear Mark, Thanks for your help. As you said I define cpp path for my system. Now I get 1 warning and the following error. To be mor clear, I also paste my mdp file.
checking input for internal consistency... WARNING 1 [file md_bfgs.mdp, line unknown]: Removing the rotation around the center of mass in a periodic system (this is not a problem when you have only one molecule). calling /lib/cpp... processing topology... Generated 332520 of the 332520 non-bonded parameter combinations Generating 1-4 interactions: fudge = 0.5 Generated 332520 of the 332520 1-4 parameter combinations Cleaning up temporary file gromppDFgrVF ------------------------------------------------------- Program grompp, VERSION 3.3.3 Source code file: topio.c, line: 389 Fatal error: Invalid order for directive defaults, file ""/usr/local/gromacs/share/top/ffoplsaa.itp"", line 18 and my mdp file is : ; VARIOUS PREPROCESSING OPTIONS title = Yo cpp = /lib/cpp include = define = -DFLEXIBLE ; RUN CONTROL PARAMETERS integrator = l-bfgs ; Start time and timestep in ps tinit = 0 dt = 0.0001 nsteps = 100000 ; For exact run continuation or redoing part of a run init_step = 0 ; mode for center of mass motion removal comm-mode = Angular ; number of steps for center of mass motion removal nstcomm = 1 ; group(s) for center of mass motion removal comm-grps = ; LANGEVIN DYNAMICS OPTIONS ; Temperature, friction coefficient (amu/ps) and random seed bd-fric = 0 ld-seed = 1993 ; ENERGY MINIMIZATION OPTIONS ; Force tolerance and initial step-size emtol = 100 emstep = 0.01 ; Max number of iterations in relax_shells niter = 20 ; Step size (1/ps^2) for minimization of flexible constraints fcstep = 0 ; Frequency of steepest descents steps when doing CG nstcgsteep = 1000 nbfgscorr = 100 ; OUTPUT CONTROL OPTIONS ; Output frequency for coords (x), velocities (v) and forces (f) nstxout = 1000 nstvout = 1000 nstfout = 0 ; Checkpointing helps you continue after crashes nstcheckpoint = 1000 ; Output frequency for energies to log file and energy file nstlog = 500 nstenergy = 500 nstlog = 500 nstenergy = 500 ; Output frequency and precision for xtc file nstxtcout = 500 xtc-precision = 500 ; This selects the subset of atoms for the xtc file. You can ; select multiple groups. By default all atoms will be written. xtc-grps = system ; Selection of energy groups energygrps = system ; NEIGHBORSEARCHING PARAMETERS ; nblist update frequency nstlist = 5 ; ns algorithm (simple or grid) ns_type = grid ; Periodic boundary conditions: xyz (default), no (vacuum) ; or full (infinite systems only) pbc = xyz ; nblist cut-off rlist = 1.6 domain-decomposition = no ; OPTIONS FOR ELECTROSTATICS AND VDW ; Method for doing electrostatics coulombtype = PME rcoulomb-switch = 1.0 rcoulomb = 1.6 ; Dielectric constant (DC) for cut-off or DC of reaction field epsilon-r = 1 ; Method for doing Van der Waals vdw-type = switch ; cut-off lengths rvdw-switch = 0.9 rvdw = 1.3 ; Apply long range dispersion corrections for Energy and Pressure DispCorr = EnerPres ; Extension of the potential lookup tables beyond the cut-off table-extension = 1 ; Spacing for the PME/PPPM FFT grid fourierspacing = 0.12 ; FFT grid size, when a value is 0 fourierspacing will be used fourier_nx = 0 fourier_ny = 0 fourier_nz = 0 ; EWALD/PME/PPPM parameters pme_order = 4 ewald_rtol = 1e-05 ewald_geometry = 3d epsilon_surface = 0 optimize_fft = no ; GENERALIZED BORN ELECTROSTATICS ; Algorithm for calculating Born radii gb_algorithm = Still fourier_ny = 0 fourier_nz = 0 ; EWALD/PME/PPPM parameters pme_order = 4 ewald_rtol = 1e-05 ewald_geometry = 3d epsilon_surface = 0 optimize_fft = no ; GENERALIZED BORN ELECTROSTATICS ; Algorithm for calculating Born radii gb_algorithm = Still ; Frequency of calculating the Born radii inside rlist nstgbradii = 1 ; Cutoff for Born radii calculation; the contribution from atoms ; between rlist and rgbradii is updated every nstlist steps rgbradii = 2 ; Salt concentration in M for Generalized Born models gb_saltconc = 0 ; IMPLICIT SOLVENT (for use with Generalized Born electrostatics) implicit_solvent = No ; OPTIONS FOR WEAK COUPLING ALGORITHMS ; Temperature coupling Tcoupl = berendsen ; Groups to couple separately tc-grps = system ; Time constant (ps) and reference temperature (K) tau_t = 0.1 ref_t = 300 ; Pressure coupling Pcoupl = berendsen Pcoupltype = isotropic ; Time constant (ps), compressibility (1/bar) and reference P (bar) tau_p = 1 compressibility = 4.5e-5 ref_p = 1.0 ; Random seed for Andersen thermostat andersen_seed = 815131 ; SIMULATED ANNEALING ; Type of annealing for each temperature group (no/single/periodic) annealing = no ; Number of time points to use for specifying annealing in each group annealing_npoints = ; List of times at the annealing points for each group annealing_time = ; Temp. at each annealing point, for each group. annealing_temp = ; GENERATE VELOCITIES FOR STARTUP RUN gen_vel = yes gen_temp = 100 gen_seed = 1993 gen_seed = 1993 ; OPTIONS FOR BONDS constraints = none ; Type of constraint algorithm constraint-algorithm = Lincs ; Do not constrain the start configuration unconstrained-start = no ; Use successive overrelaxation to reduce the number of shake iterations Shake-SOR = no ; Relative tolerance of shake shake-tol = 1e-04 ; Highest order in the expansion of the constraint coupling matrix lincs-order = 4 ; Number of iterations in the final step of LINCS. 1 is fine for ; normal simulations, but use 2 to conserve energy in NVE runs. ; For energy minimization with constraints it should be 4 to 8. lincs-iter = 8 ; Lincs will write a warning to the stderr if in one step a bond ; rotates over more degrees than lincs-warnangle = 30 ; Convert harmonic bonds to morse potentials morse = no ; ENERGY GROUP EXCLUSIONS ; Pairs of energy groups for which all non-bonded interactions are excluded energygrp_excl = ; NMR refinement stuff ; Distance restraints type: No, Simple or Ensemble disre = No ; Force weighting of pairs in one distance restraint: Conservative or Equal disre-weighting = Conservative ; Use sqrt of the time averaged times the instantaneous violation disre-mixed = no disre-fc = 1000 disre-tau = 0 ; Output frequency for pair distances to energy file nstdisreout = 100 ; Orientation restraints: No or Yes orire = no ; Orientation restraints force constant and tau for time averaging orire-fc = 0 orire-tau = 0 orire-fitgrp = ; Output frequency for trace(SD) to energy file nstorireout = 100 ; Dihedral angle restraints: No, Simple or Ensemble dihre = No dihre-fc = 1000 dihre-tau = 0 ; Output frequency for dihedral values to energy file nstdihreout = 100 ; Free energy control stuff free-energy = no thanks _______________________________________________ gmx-users mailing list [email protected] http://www.gromacs.org/mailman/listinfo/gmx-users Please search the archive at http://www.gromacs.org/search before posting! 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