# use distance geometry;
nzinactive 0 100000;
use none bond angle hybrid ;
echo off; abuild 2; echo;
use torsion nonbon;
echo off; abuild 2; echo;
use none bond angle hybrid ;
echo off; abuild 2; echo;
use torsion nonbon;
setf mxdq 0.75;
cngdel 100;
monitor;
active 0 1000000;