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by mjakhar
Sat Jul 15, 2023 4:15 am
Forum: VTSTTools
Topic: NEB CONVERGENCE Not achieved (NSW=1000) and Internal Error with VASP 6.4
Replies: 1
Views: 76398

NEB CONVERGENCE Not achieved (NSW=1000) and Internal Error with VASP 6.4

Dear vtst developers,

I am working on an 2D system on which a Li2S absorbed on surface. I am calculating the Li2S decomposition Barrier but some problems appeared.

First Issue:-
My calculation is not able to converged until 1000 iteration (NSW=1000).
I used ISIF=2 with optimization of intial and ...