[DFTB-Plus-User] Analytical second derivative

[常盤広明]

Dear DFTB+ developer:

Hello,

I try to determined transition states by using the DFTB calculations.
So, I would like to calculate "analytical" second energy derivative (Hessian)
by the DFTB method.
Is it possible?

Best Regards,
                                  Hiroaki TOKIWA, Rikkyo University