[AMBER] After running MD, the number of atom in mdcrd file becomes 0

From: Gu, Wenze <wenze_gu.brown.edu>
Date: Thu, 1 Mar 2018 14:16:09 -0500

 Dear list,

I ran amber MD with this .in file:

md, npt, equilibrium to 300K quickly,
 &cntrl
  imin = 0, ntx = 7, irest = 1, ig=-1
  ntpr = 1000, ntwx = 1000, ntwe = 0, ntwprt=0, ntwr=50000,
  ntc = 2, ntf = 2, iwrap = 1, ioutfm = 1,
  nstlim = 10000000, dt =0.002,
  temp1=300.0, temp0 = 300.0, ntt =1, tautp =2.0,
  ntb = 2, ntp = 1, taup = 2.0, pres0 =1.0, cut = 12.0,
 &end
END
END

However, when I tried to read the trajectory file in VMD, it says incorrect
number of atoms <0> in mdcrd file. Meanwhile, the prmtop file has normal
number of atoms. Do you know what's going wrong here? Thanks!

Best,
Wenze Gu
Department of Chemistry
Brown University
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Received on Thu Mar 01 2018 - 11:30:02 PST
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