plumed.dat

# LogMFD parameters NVT

d: DISTANCE ATOMS=1,2

LOGMFD ...
 LABEL=logmfd
 ARG=d
 KAPPA=50000.0
 DELTA_T=0.5
 INTERVAL=100
 TEMP=300.0
 FLOG=10.0
 FICT=1.5
 MFICT=1000
 VFICT=0.00
 ALPHA=4.0
 THERMOSTAT=NVT
 FICT_MIN=0.0
 FICT_MAX=10.0
 VETA=0.0
 META=1000.0
... LOGMFD

PRINT ARG=d,logmfd.d_fict STRIDE=100 FILE=COLVAR