Scroll to navigation

g_sigeps(1) GROMACS suite, VERSION 4.5.4-dev-20110404-bc5695c g_sigeps(1)

NAME

g_sigeps - convert c6/12 or c6/cn combinations to and from sigma/epsilon
 
VERSION 4.5.4-dev-20110404-bc5695c

SYNOPSIS

g_sigeps -o potje.xvg -[no]h -[no]version -nice int -[no]w -xvg enum -c6 real -cn real -pow int -sig real -eps real -A real -B real -C real -qi real -qj real -sigfac real

DESCRIPTION

g_sigeps is a simple utility that converts C6/C12 or C6/Cn combinations to sigma and epsilon, or vice versa. It can also plot the potential in file. In addition, it makes an approximation of a Buckingham potential to a Lennard-Jones potential.

FILES

-o potje.xvg Output
xvgr/xmgr file
 

OTHER OPTIONS

-[no]hno
Print help info and quit
 
-[no]versionno
Print version info and quit
 
-nice int 0
Set the nicelevel
 
-[no]wno
View output .xvg, .xpm, .eps and .pdb files
 
-xvg enum xmgrace
xvg plot formatting: xmgrace, xmgr or none
 
-c6 real 0.001
c6
 
-cn real 1e-06
constant for repulsion
 
-pow int 12
power of the repulsion term
 
-sig real 0.3
sig
 
-eps real 1
eps
 
-A real 100000
Buckingham A
 
-B real 32
Buckingham B
 
-C real 0.001
Buckingham C
 
-qi real 0
qi
 
-qj real 0
qj
 
-sigfac real 0.7
Factor in front of sigma for starting the plot
 

SEE ALSO

gromacs(7)
 
More information about GROMACS is available at <http://www.gromacs.org/>.
Mon 4 Apr 2011