How can I run a calculation on gaussian 09 for finding UV-Vis spectra and fluorescence of my ligand?

27 July 2021 1 7K Report

I am completely new to Gaussian calculation and I want to find out the theoretical UV-vis and fluorescence spectra for my ligand in methanol and want to compare it with the experimental data. How can I start working on this. I have read about it and I am attaching the file for the calculation of groundstate opt and freq job. In the gaussian 09 users reference, it mentioned that after 1st step I can either use step 2 or step 3rd, this is confusing for me and how can I use the previously generated .chk file for further calcutions.

Anuvasita Parikh

Thank you so much I will definately try it

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