UT theoretical chemistry code forum

Using 'grep VTST OUTCAR', there is no finding. So I do not have vtstcode linked into my VASP. However, my VASP can perform and search transition state. Is it using the built-in NEB optimizer in VASP to work?

Dear Professor,

When I used the CI-NEB method to calculate the reaction barrier, some problems appear. Attached is results given by nebef.pl, each force is zero. The related INCAR parameters of CI-NEB are given below. Why did this happened? How much impact does this error have for results ...