[CP2K-user] [CP2K:20501] Re: Extremely High Temperature and Pressure Increase using NPT

Michela Benazzi bnzmichela at gmail.com
Fri Jul 26 14:18:24 UTC 2024


Hello, Can anyone please give me their opinion/advice? I am trying to run 
with TIMECON 50 (it was 1000 before), but no improvements yet.

On Tuesday, July 23, 2024 at 7:23:56 AM UTC-4 Michela Benazzi wrote:

> Hello everyone,
>
> I am running DFT at 1200 K, 1 bar with a periodic system of 64 Al atoms + 
> 2 CO2 atoms. However, I am seeing my temperature slowly increase to >4000 K 
> and my pressure immediately spiking to ca. 2*10^5 bar.
>
> I was wondering if you could help me diagnose this issue - I thought 
> perhaps it was because I was not accounting for vdW interactions, but I 
> just added that term to my newer simulations and I am still incurring in 
> the same problem!
>
> I included below my input and shortened output.
>
>

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