CCL: G09: TDDFT frequency job

["luca bertini" <luca.bertini.:.unimib.it>]

 Sent to CCL by: "luca bertini" [luca.bertini^unimib.it]
No, becuase you are computing sencond derivatives on the
 ground state PES that has a different tolopogy with
 respect to that of the excited state. Sorry but this
 computation has no meaning!
 On Thu, 8 Mar 2012 11:12:37 -0500
 "Saman Mandegar mandegar_saman]![yahoo.com"
 <owner-chemistry a ccl.net> wrote:
> Sent to CCL by: "Saman  Mandegar"
>  [mandegar_saman/a\yahoo.com]
>  Dear All,
> I have optimized the geometry of a system for the first
>  excited state using TDDFT. To assure that the found
>  stationary point is a minimum in the excited state I have
>  to perform frequency analysis which is prohibitively
>  expensive for my system. I am wondered to ask a naive
>  question. Performing the frequency calculation using the
>  same functional but using DFT method could be a
>  reasonable approximation for TDDFT frequencies?
>  Thank you for your kind answer.
>  best wishes,
>  Saman
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