UNITS LENGTH=A TIME=fs ENERGY=kcal/mol
d1: DISTANCE ATOMS=1,2

#0 pN to 100 pN
f: FISST ARG=d1 PERIOD=1 MIN_FORCE=0 MAX_FORCE=1.44 INITIAL_WEIGHT_DIST=EXP INITIAL_WEIGHT_RATE=0.7 NINTERPOLATE=31 OUT_RESTART=restart.out OUT_OBSERVABLE=observable.out RESTART_FMT=%4.2e
