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

[Amritpal ghumman]

Can you share input file and error

On Fri, 27 Jun, 2025, 10:19 Joshi Vimal, <joshivimal217 at gmail.com> wrote:

> Getting problem in modes calculation will you please share recipe to
> perform modes calculation
>
> On Fri, 27 Jun 2025, 10:14 am Amritpal ghumman, <amritpalghumman at gmail.com>
> wrote:
>
>> 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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