I am running a MD simulation of a dimer molecule in gas phase and I get the
following error
 
Ewald parameters:
     verbose =       0, ew_type =       0, nbflag  =       1, use_pme =
1
     vdwmeth =       1, eedmeth =       1, netfrc  =       1
     Box X =   90.000   Box Y =   90.000   Box Z =   90.000
     Alpha =   90.000   Beta  =   90.000   Gamma =   90.000
     NFFT1 =   90       NFFT2 =   90       NFFT3 =   90
     Cutoff=    8.000   Tol   =0.100E-04
     Ewald Coefficient =  0.34864
     Interpolation order =    4
 
 (NTB /= 0 && NTP /= 0) but IFBOX == 0
 
 This combination is not supported
 
 *** input error(s)
 
 
The input file for the simulation is 
&cntrl
  imin = 0,
  irest = 1,
  iwrap = 1,
  ntx = 5,
  ntb = 2,
  pres0 = 1.0,
  ntp = 1,
  taup = 2.0,
  cut = 8,
  ntr = 0,
  ntc = 2,
  ntf = 2,
  tempi = 298.0,
  temp0 = 298.0,
  ntt = 1,
  nmropt=1,
  nstlim = 100000,
  dt = 0.0005,
  ntpr = 1000,
  ntwx = 1000,
  ntwr = 1000
  /
&wt type= 'END'/
DISANG=RST.dist
 
Majeed
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Received on Fri Feb 20 2009 - 01:11:15 PST