carta
sigeps_d(1)

sigeps_d1

Convert c6/12 or c6/cn combinations to and from sigma/epsilon version 4.0.1

Part of sigeps(1).

Usage

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

Overview

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

Options

-[no]hno
Print help info and quit

-nice int 0
Set the nicelevel

-[no]wno
View output xvg, xpm, eps and pdb files

-[no]xvgryes
Add specific codes (legends etc.) in the output xvg files for the xmgrace program

-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

From gromacs-data 4.0.7-3 in Debian 6.0 (Squeeze). Parsed by carta from the page's man source.