minimization problem

I am trying to use Lammps for my study. I am new and getting used to it.
Right now, i am trying to minimize the illite surface. i am using clayff forcefield.
I built the structure using Materials Studio and then converted in to lammps data file.
But when i try to minimize a illite surface, the energies are very huge
and the total structure collapses. Herewith, i give the input file i used. Kindly help me in this

#Lammps Input script for water
units real
dimension 3
newton on
processors * * *
boundary p p p

#Defining different potential types
atom_style full
pair_style lj/cut/coul/long 10.0
bond_style harmonic
angle_style harmonic
dihedral_style harmonic
improper_style harmonic

read_data mus-1.lammps05
kspace_style ewald 1e-3
dielectric 1.0

#Data reading and neighbouring
neighbor 2.0 bin
neigh_modify every 1 delay 0 check yes
#fix 1 all nvt temp 300.0 300.0 10.0
dump 1 all xyz 1
dump_modify 1 sort id


min_style cg
minimize 1.0e-6 1.0e-8 500 1000

Thanks in advance


Any number of things could be wrong, most of them
with the starting state that you got from Mat Studio
and your conversion. Bad atom coords, bad force
field values, etc. You need to compare the energies/
forces of your starting state with what Mat Studio
gets and eliminate any differences.