mu1: DISTANCE ATOMS=1,10
phi: TORSION ATOMS=1,3,5,10

PBMETAD ARG=mu1,phi SIGMA=0.1,0.2 HEIGHT=1.0 PACE=10 LABEL=md FMT=%14.6f FILE=HILLS.0,HILLS.1 TEMP=300

PRINT ...
  STRIDE=1
  ARG=mu1,phi,md.bias 
  FILE=COLVAR FMT=%6.3f
... PRINT

ENDPLUMED

