Which basis set should I use for Cysteine metal complexes in Gaussian?

I am trying to work with some metal (Fe,Zn,Pb,Hg,Cd) complexes of Cysteine in Gaussian16. I tried B3LYP/6-311++G for Fe & Zn and B3LYP/LanL2DZ for other complexes. Am I in the right track?...

08 August 2019 3,349 6 View