NEB - ReaxFF convergence issue

Please, always include the lammps-users list in your replies (reply-all)

The NEB method compute the minimum energy path and the mechanism between two known relaxed (minimized) stable configurations.
In principal, it will not works with initial/final configuration that have not been minimized before, as for example, the trajectories of a dynamic simulation.

If not done yet, you should start by training yourself with the examples provided with Lammps.

Julien