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Re: Do we have to use more accurate basis set for TDDFT calculation?

Alex Granovsky

Dear Siddheshwar,


Kind regards,
Alex Granovsky

On Tue Apr 29 '14 11:34am, Siddheshwar Chopra wrote
>Dear Sir,
>Can I use more accurate basis set for setting up a TDDFT calculation? Say I use 6-31G basis set for DFT ground state calculation and use the optimized coordinates obtained here for TDDFT i/p file. Now in TDDFT file can I change the basis set 6-31G which was actually used in the previous run? One thing I know is more the basis functions, better the absorption spectra.

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