#box size X in lB 
BOXX 10

#box size Y in lB
BOXY 10

#box size Z in lB
BOXZ 10

#Number of polymers or macroions
 NPolymers 1

#Number of beads in each immobile polymer or macroion
 Ns 40

# polymer or macroion bead diameter (immobile)
 beaddiameter 0.5

# polymer or macroion bead separation
 polymerbeadseparation 0.25

#Polymer or macroion bead charge in e 
 qpolymer 0.5

#Number of mobile anions
 Nanion 20

#anion charge in e
 qanion -1.0

#Number of mobile cations
 Ncation 0

#cation charge
 qcation 1.0

# ion diameter (mobile)
iondiameter 0.25


#Height from surface in lB for immobile molecule 1
z1 5

#Height from surface in lB for immobile molecule 2
z2 5

#Interpolymer or macroion distance in lB
r 0.0

#Initial maximum MC step size in lB (max box size)
maxstep 10

# MC step update interval in MC steps
stepupdateinterval 10000

# energy and force printout interval in MC steps
printoutinterval 100

# gro-file printout interval in MC steps
groprintoutinterval 500

# Initial MC steps to be disregarded in the analysis and data collection
RELAXATIONSTEPS 0

# Ewald alpha parameter
Ealpha 0.4

# Ewald real space cut-off Rcut
Rcut 5

# Ewald reciprocal space cut-off
EwaldK 8

#surface charge 
 sigma 0

#delta epsilon (image charge screening factor)// (es-e0)/(es+e0)
IMCHRGSCR 0