Run these examples as: mpirun -np 4 lmp_linux -partition 4x1 -in in.neb.hop1 mpirun -np 4 lmp_linux -partition 4x1 -in in.neb.hop2 Create dump files to do visualization from as: (see lammps/tools/README for more info on these Python scripts) python ~/lammps/tools/python/neb1.py dump.hop1.a 3 tmp.dump.* python ~/lammps/tools/python/neb2.py dump.hop1.b tmp.dump.* dump.hop1.a = series of snapshots for all replicas together time = progression of NEB calculation dump.hop1.b = series of snapshots for final state of all replicas time = replica #