[DFTB-Plus-User] How to get frequency from hessian.out

[Amritpal ghumman]

Hello


You can do modes calculations

Regards
Amrit

On Fri, 27 Jun, 2025, 10:08 Joshi Vimal, <joshivimal217 at gmail.com> wrote:

> GOOD MORNING EVERYONE,
> I am new user of DFTB+ and geeting many problems in frequency calculation.
> I have used second derivative driver and completed calculation and got
> hessian.out file now how can i get frequency form this file.
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