# use distance geometry;
nzinactive 0 100000;
use none bond angle; cngdel 100;
v_maxwell 300; pac 100 .00001;
cngdel 100;
use none bond angle hybrid torsion nonbon;
bell 100;
gsdg 20;
setf mxdq 0.75;
cngdel 100;
monitor;
active 0 1000000;