LAMMPS (27 May 2010-ICMS)
# Ionic surfactant system: S12S

units           lj
dimension       3
atom_style      full

read_data       data.gauss-diel
  1 = max bonds/atom
  1 = max angles/atom
  1 = max dihedrals/atom
  orthogonal box = (-35 -35 -35) to (35 35 35)
  2 by 2 by 4 processor grid
  4200 atoms
  3600 bonds
  3300 angles
  3000 dihedrals
  2 = max # of 1-2 neighbors
  2 = max # of 1-3 neighbors
  4 = max # of 1-4 neighbors
  6 = max # of special neighbors

replicate 2 2 2
  orthogonal box = (-35 -35 -35) to (105 105 105)
  2 by 2 by 4 processor grid
  33600 atoms
  28800 bonds
  26400 angles
  24000 dihedrals
  2 = max # of 1-2 neighbors
  2 = max # of 1-3 neighbors
  4 = max # of 1-4 neighbors
  6 = max # of special neighbors

pair_style      hybrid/overlay                          lj/cut 3.5                              coul/long 25.0                          gauss/cut 3.4                           coul/diel 2.5
pair_modify    shift yes

dielectric      0.4255
kspace_style    pppm/cg 0.0001
kspace_modify   mesh  8  8  8 order 3

bond_style      harmonic
angle_style     harmonic
dihedral_style  opls

pair_coeff  1     1     lj/cut           0.5 1.775 3.268        # HG   HG  
pair_coeff  1     1     coul/long                               # HG   HG  
pair_coeff  1     1     gauss/cut        0.1 2.549 0.1525           
pair_coeff  1     2     lj/cut           0.31623 1.5329 1.7206  # HG   CM  
pair_coeff  1     3     lj/cut           0.31623 1.5329 1.7206  # HG   CT  
pair_coeff  1     4     lj/cut           0.05 1.75 4.375        # HG   CI  
pair_coeff  1     4     coul/long                               # HG   CI  
pair_coeff  1     4     gauss/cut        0.2805 1.45 0.112 
pair_coeff  1     4     coul/diel        78. 1.375 0.112 
pair_coeff  2     2     lj/cut           0.2000 1.2910 3.2275   # CM   CM  
pair_coeff  2     3     lj/cut           0.2000 1.2910 3.2275   # CM   CT  
pair_coeff  2     4     lj/cut           0.4472 1.1455 1.28585  # CM   CI  
pair_coeff  3     3     lj/cut           1.95 1.291 3.2275      # CT   CT  
pair_coeff  3     4     lj/cut           0.4472 1.1455 1.28585  # CT   CI  
pair_coeff  4     4     lj/cut           1.0 10. 1.12246        # CI   CI 
pair_coeff  4     4     coul/long                               # CI   CI 

bond_coeff  1      12650.0000   0.7500 # HG CM FROM TOP
bond_coeff  2      12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  3      12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  4      12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  5      12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  6      12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  7      12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  8      12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  9      12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  10     12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  11     12650.0000   0.5000 # CM CM FROM TOP
bond_coeff  12     12650.0000   0.5000 # CM CT FROM TOP

angle_coeff 1           85.7600 109.5000 # HG CM CM FROM TOP
angle_coeff 2           85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 3           85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 4           85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 5           85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 6           85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 7           85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 8           85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 9           85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 10          85.7600 111.0000 # CM CM CM FROM TOP
angle_coeff 11          85.7600 111.0000 # CM CM CT FROM TOP

dihedral_coeff 1     5.7431 -2.53241 5.0742 0.0 # HG CM CM CM FROM TOP
dihedral_coeff 2     5.7431 -2.53241 5.0742 0.0 # CM CM CM CM FROM TOP
dihedral_coeff 3     5.7431 -2.53241 5.0742 0.0 # CM CM CM CM FROM TOP
dihedral_coeff 4     5.7431 -2.53241 5.0742 0.0 # CM CM CM CM FROM TOP
dihedral_coeff 5     5.7431 -2.53241 5.0742 0.0 # CM CM CM CM FROM TOP
dihedral_coeff 6     5.7431 -2.53241 5.0742 0.0 # CM CM CM CM FROM TOP
dihedral_coeff 7     5.7431 -2.53241 5.0742 0.0 # CM CM CM CM FROM TOP
dihedral_coeff 8     5.7431 -2.53241 5.0742 0.0 # CM CM CM CM FROM TOP
dihedral_coeff 9     5.7431 -2.53241 5.0742 0.0 # CM CM CM CM FROM TOP
dihedral_coeff 10    5.7431 -2.53241 5.0742 0.0 # CM CM CM CT FROM TOP

timestep        0.002  

reset_timestep  0

group           cions type 4
2400 atoms in group cions
group           sds subtract all cions
31200 atoms in group sds

velocity        all create 1. 87287 dist gaussian

neighbor        1.5 multi
neigh_modify    exclude molecule sds
neigh_modify    every 5 delay 0 check yes

fix             1 all nve/limit 0.2
fix             2 all langevin 1.0 1.0 0.05 18273

thermo_style    multi
thermo          500

run             2000
PPPM initialization ...
  G vector = 0.0586025
  grid = 8 8 8
  stencil order = 3
  RMS precision = 0.00173845
  brick FFT buffer size/proc = 245 32 294
Memory usage per processor = 12.4676 Mbytes
---------------- Step        0 ----- CPU =      0.0000 (sec) ----------------
TotEng   =         9.9400 KinEng   =         1.5000 Temp     =         1.0000 
PotEng   =         8.4401 E_bond   =         0.0036 E_angle  =         0.1237 
E_dihed  =         0.3185 E_impro  =         0.0000 E_vdwl   =         8.0100 
E_coul   =        -0.0108 E_long   =        -0.0049 Press    =         0.4087 
---------------- Step      500 ----- CPU =      4.0097 (sec) ----------------
TotEng   =         2.7596 KinEng   =         1.5031 Temp     =         1.0021 
PotEng   =         1.2565 E_bond   =         0.4635 E_angle  =         0.3874 
E_dihed  =         0.4104 E_impro  =         0.0000 E_vdwl   =        -0.0024 
E_coul   =         0.0023 E_long   =        -0.0048 Press    =        -0.0005 
---------------- Step     1000 ----- CPU =      7.7651 (sec) ----------------
TotEng   =         2.7850 KinEng   =         1.4884 Temp     =         0.9923 
PotEng   =         1.2966 E_bond   =         0.4684 E_angle  =         0.3934 
E_dihed  =         0.4408 E_impro  =         0.0000 E_vdwl   =        -0.0035 
E_coul   =         0.0022 E_long   =        -0.0048 Press    =        -0.0010 
---------------- Step     1500 ----- CPU =     11.6615 (sec) ----------------
TotEng   =         2.8060 KinEng   =         1.4964 Temp     =         0.9977 
PotEng   =         1.3095 E_bond   =         0.4617 E_angle  =         0.3892 
E_dihed  =         0.4663 E_impro  =         0.0000 E_vdwl   =        -0.0047 
E_coul   =         0.0018 E_long   =        -0.0048 Press    =         0.0006 
---------------- Step     2000 ----- CPU =     15.6782 (sec) ----------------
TotEng   =         2.9216 KinEng   =         1.5900 Temp     =         1.0600 
PotEng   =         1.3317 E_bond   =         0.4674 E_angle  =         0.3898 
E_dihed  =         0.4824 E_impro  =         0.0000 E_vdwl   =        -0.0047 
E_coul   =         0.0016 E_long   =        -0.0048 Press    =        -0.0010 
Loop time of 15.6783 on 16 procs for 2000 steps with 33600 atoms

Pair  time (%) = 4.09297 (26.106)
Bond  time (%) = 2.73731 (17.4593)
Kspce time (%) = 2.18252 (13.9207)
Neigh time (%) = 0.892694 (5.69383)
Comm  time (%) = 4.12164 (26.2889)
Outpt time (%) = 0.000435576 (0.00277822)
Other time (%) = 1.65068 (10.5285)

FFT time (% of Kspce) = 0.146949 (6.73301)
FFT Gflps 3d (1d only) = 0.869422 17.2861

Nlocal:    2100 ave 2143 max 2056 min
Histogram: 4 3 1 0 0 0 0 1 2 5
Nghost:    13669.9 ave 13879 max 13474 min
Histogram: 6 2 0 0 0 0 0 0 5 3
Neighs:    24862.9 ave 26199 max 23204 min
Histogram: 2 3 2 1 0 0 0 0 1 7

Total # of neighbors = 397806
Ave neighs/atom = 11.8395
Ave special neighs/atom = 4.71429
Neighbor list builds = 19
Dangerous builds = 2