Search found 3 matches

by wangjb
Sat Feb 23, 2013 1:43 am
Forum: VTSTTools
Topic: NEB computation for CH3O + H reaction
Replies: 4
Views: 12240

Re: NEB computation for CH3O + H reaction

Dear Prof. Graeme,

I will try again based on your suggestions. Thank your very much.

Jingbo
by wangjb
Sat Feb 23, 2013 1:40 am
Forum: VTSTTools
Topic: NEB computation for CH3O + H reaction
Replies: 4
Views: 12240

Re: NEB computation for CH3O + H reaction

[quote="kambiz"]Hi, Sorry, but just a question, So after using IOPT=7, all forces are less than 0.1 and then after using IOPT = 1, the job is not converging?? Cheers[/quote] Yes. I have done some NEB calculations, my experience is that It is hard to converge using IOPT=1 and EDIFFG=-0.03 a...
by wangjb
Wed Feb 20, 2013 2:54 am
Forum: VTSTTools
Topic: NEB computation for CH3O + H reaction
Replies: 4
Views: 12240

NEB computation for CH3O + H reaction

Dear everyone, I want to compute the reaction barrier of reaction CH3O + H --> CH3OH on Cu(111) surface in order to reproduce others work. I adopt 6 images and firstly converge with the setup: IOPT=7, timestep=0.01, EDIFFG = -0.1, ENCUT = 300, PREC = normal (decrease computation cost) after converge...